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+The Project Gutenberg EBook of An Annotated Check List of the Mammals of
+Michoacán, México, by Bernardo Villa R. and E. Raymond Hall
+
+This eBook is for the use of anyone anywhere at no cost and with
+almost no restrictions whatsoever.  You may copy it, give it away or
+re-use it under the terms of the Project Gutenberg License included
+with this eBook or online at www.gutenberg.org/license
+
+
+Title: An Annotated Check List of the Mammals of Michoacán, México
+
+Author: Bernardo Villa R.
+        E. Raymond Hall
+
+Release Date: March 22, 2012 [EBook #39222]
+
+Language: English
+
+Character set encoding: UTF-8
+
+*** START OF THIS PROJECT GUTENBERG EBOOK AN ANNOTATED CHECK LIST OF ***
+
+
+
+
+Produced by Chris Curnow, Tom Cosmas, Joseph Cooper and
+the Online Distributed Proofreading Team at
+http://www.pgdp.net
+
+
+
+
+
+
+
+
+
+An Annotated Check List of the Mammals of Michoacán, México
+
+BY
+
+E. RAYMOND HALL and BERNARDO VILLA R.
+
+
+University of Kansas Publications
+
+Museum of Natural History
+
+
+Volume 1, No. 22, pp. 431-472, 2 plates, 1 figure in text
+
+December 27, 1949
+
+
+University of Kansas
+
+LAWRENCE
+
+1949
+
+
+
+
+UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY
+
+
+Editors: E. Raymond Hall, Chairman, A. Byron Leonard, Edward H. Taylor,
+Robert W. Wilson
+
+
+Volume 1, No. 22, pp. 431-472, 2 plates, 1 figure in text
+
+December 27, 1949
+
+
+UNIVERSITY OF KANSAS
+
+Lawrence, Kansas
+
+
+PRINTED BY
+
+FERD VOILAND, JR., STATE PRINTER
+
+TOPEKA, KANSAS
+
+1949
+
+22-6113
+
+
+
+
+An Annotated Check List of the Mammals of Michoacán, México
+
+By
+
+E. RAYMOND HALL and BERNARDO VILLA R.
+
+
+
+
+INTRODUCTION
+
+
+When General Lázaro Cardenas was President of the Republic of México,
+encouragement was given by his administration to linguistic groups of
+native American peoples to record in printed form, eventually in their
+native languages, accounts of their cultural accomplishments and
+accounts of the natural resources of the regions concerned. For the
+Tarascan "Empire" centering in the state of Michoacán, a committee of
+Mexicans and citizens of the United States of America was formed to
+forward these aims. Under the leadership of ethnologists on the
+committee, especially Professor Daniel Rubin F. de la Borbolla and
+Professor Ralph L. Beals, invitations to coöperate in the studies were
+extended to biologists. One of us (Hall) was invited to investigate
+the fauna of native wild mammals. In 1943, assisted by a fellowship
+which Hall at that time held from the John Simon Guggenheim Memorial
+Foundation, and with support from Miss Annie M. Alexander, through the
+University of California Museum of Vertebrate Zoölogy, most of
+March--March 3 to March 29, 1943--was spent in the state of Michoacán.
+
+Bernardo Villa R. of the Instituto de Biología de la Universidad de
+México was a member of the party from March 23 to 27. Previously,
+March 4 to 22, Roberto Alcántar from the Universidad de Michoacán, in
+Morelia, participated in the field work. Mr. J. R. Alcorn was active
+in the collecting from the beginning until he entrained for the United
+States on March 24. The remainder of the field party was made up of E.
+Raymond Hall, his wife Mary F. Hall, and their three sons, William
+Joel, Hubert H., and Benjamin D. Hall.
+
+From March 4 to 15 we collected at, and in the vicinity of, Pátzcuaro.
+We were housed in two cottages kindly made available by Sr. Efrain
+Buenrostro, in Campo Turista Janitzio, 200 meters northwest of the
+railroad station in Colonia Revolución. The shore of Lake Pátzcuaro,
+the cultivated fields surrounded by stone fences, and the oak and pine
+forests roundabout provided varied habitats.
+
+From March 16 to 23 we collected in the territory 1 to 6 miles south
+of Tacámbaro, making our headquarters in the Europa Hotel, in the
+town. The steep main street of Tacámbaro with native pines at the
+upper end descends to plantings of bananas and sugar cane at the lower
+end. Our collecting all was done below (south of) the town in the
+semitropical country and none at all was done above (north of) the
+town.
+
+From March 24 to 27 (three night's trapping) we collected in the
+vicinity of Zamora, making our headquarters in rooms diagonally across
+the street intersection from the Hotel Fenix.
+
+The resulting specimens, approximately 650 in number, were deposited
+in the Museum of Vertebrate Zoölogy at the University of California at
+Berkeley.
+
+A noteworthy coincidence is that on the very day, February 26, on
+which we crossed the international border into México at Laredo, the
+beginning of the new volcano, Paricutín, was announced in the daily
+press. Our collecting of mammals in Michoacán was nearly all done in
+sight of the towering white plume of this rapidly heightening volcanic
+cone and frequently our traps were thickly dusted with its wind-borne
+ash. Our eagerness at that time to have stations established for
+observing the effects on vertebrates of the deposition of ash, was
+gratified in that Dr. Robert T. Hatt independently had the same idea
+and such observations at appropriate places and times were begun by
+him and staff members of the Museum of Zoölogy of the University of
+Michigan. One of us, Villa, was privileged to share in these
+observations in the spring of 1947.
+
+This continuing interest in the mammals of Michoacán has made it seem,
+to us, the more desirable to place on record our findings as to kinds
+and occurrence of species. In doing this we have examined the
+collections made previously on Cerro Tancítaro and vicinity by the
+field party led by Mr. Harry Hoogstraal from the University of
+Illinois and the Chicago Natural History Museum. The specimens of
+mammals collected by this field party are in the Chicago Natural
+History Museum and we are obliged to Mr. Karl P. Schmidt, Mr. Colin C.
+Sanborn and the late Dr. Wilfred H. Osgood for the privilege of
+studying this material.
+
+Drs. William H. Burt and Emmet T. Hooper, of the Museum of Zoölogy of
+the University of Michigan, lent to us for examination five specimens
+of bats, of as many species, which they had taken in Michoacán. Drs.
+Remington Kellogg and Henry W. Setzer have provided us with data on
+specimens of deer and peccary from Michoacán which are in the United
+States National Museum. Specimens in the Institute of Biology of the
+University of México have been used. Financial provision by the Kansas
+University Endowment Association has enabled us to obtain specimens
+needed for comparison from other parts of México.
+
+In addition to the materials mentioned above we have used published
+references to mammals of Michoacán and have prepared the following
+lists of kinds of mammals positively known to us to occur in the
+Mexican state of Michoacán. It is noteworthy that specimens recorded
+in the literature from Acámbaro, Michoacán, no longer are to be
+ascribed to Michoacán, since a relocation of the boundary between the
+states of Michoacán and Guanajuato, places Acámbaro in the latter
+state.
+
+Our aims were: (1) To record kinds of mammals positively known from
+the state, under the correct scientific name, and vernacular names in
+English, Spanish, and Tarascan. The first Tarascan name is given in
+the spelling used by Tarascans followed by the phonetic equivalent in
+English in parentheses. (2) To indicate the geographic range of each
+kind in the state, and, (3) To record miscellaneous information which
+it is thought probably will be useful in one way or another to other
+students whose work certainly will lengthen the list of kinds of
+mammals known from Michoacán and otherwise add to our knowledge of
+them.
+
+Several kinds of bats, of which we lack records, certainly occur in
+Michoacán. Four or five kinds of cats (genus _Felis_), species of the
+genera _Potos_, _Lutra_, _Tayra_, _Grison_, and several other kinds of
+mammals of which we now lack positive record, also probably occur
+there; the list of kinds, we expect, will number more than one hundred
+species and subspecies when more intensive collecting has been done in
+the state. In all, we have positive record of 85 kinds of native, wild
+mammals of which specimens have been examined or recorded from
+Michoacán. Distances and elevations here are recorded either in the
+metric system or in the English system, according to the system used
+on the labels of the specimens concerned. Unless otherwise indicated,
+catalogue numbers of more than 100,000 are of specimens in the
+University of California Museum of Vertebrate Zoölogy and numbers of
+less than 100,000 are of the Chicago Natural History Museum.
+
+   [Illustration: FIG. 1. Map of the state of Michoacán showing
+      place names mentioned in the text.]
+
+
+
+
+ACCOUNTS OF SPECIES AND SUBSPECIES
+
+
+=Didelphis mesamericana mesamericana= Oken
+
+Opossum; Spanish, Tlacuache; Tarascan, Ujkúri (Ukuri)
+
+    _Did[elphys]. mesamericana_ Oken, Lehrbuch d. Naturgesch.,
+       pt. 3, 2:1152, 1816, type from northern México.
+
+    _Didelphis mesamericana_, Allen, Bull. Amer. Mus. Nat. Hist.,
+       16:256, August 18, 1902.
+
+_Range._--Statewide.
+
+_Specimens examined_, 7: nos. 100063-100067, 100074, 51396,
+distributed by localities as follows: Pátzcuaro (3 mi. N, 6,700 ft.,
+1; 2 mi. W, 6,700 ft., 2; 5 mi. S, 7,800 ft., 1), 4; Tancítaro, 1;
+1-3/4 mi. S Tacámbaro, 5,700 ft., 1; 1 mi. E and 6 mi. S Tacámbaro, 1.
+
+_Remarks._--The coarse overhair is white all the way to the base in
+three specimens but is black in its distal two thirds (white in basal
+third) in four specimens. The overhair, six centimeters anterior to
+the base of the tail, is 83 (80-85) mm. long in the three gray
+specimens (those with white overhair) and 68 (64-72) mm. long in the
+black specimens. The ears and all four feet are black. The tail is
+black in its proximal half and white in its distal half except in one
+specimen in which the distal half is almost as dark as the proximal
+half. Of the two largest specimens, one is a female from 1-3/4 mi. S
+Tacámbaro and the other, a male is from 6 mi. S of the same place.
+Measurements are: Total length, [M] 810, [F] 786; length of tail, [M]
+360, [F] 348; length of hind foot, --, 58; condylobasal length, 110.0;
+99.6; zygomatic breadth, 68.5; 59.6; length of nasals, 59.7, 45.0. The
+tail amounts to 48, 48 and 47 per cent of the total length in
+specimens from Pátzcuaro; 50 per cent in one from Tancítaro; 45 and 44
+per cent in two from Tacámbaro. The subspecies _mesamericana_ probably
+intergrades with _Didelphis virginiana virginiana_ by way of _D. m.
+texensis_ and _D. v. pigra_, as Davis (1944:375) and other writers
+suggest, in which case the proper name of the subspecies
+_mesamericana_ would be _Didelphis virginiana mesamericana_. Until
+intergradation is actually demonstrated, it seems best to use the name
+_D. m. mesamericana_.
+
+Most of our specimens were caught in steel traps, at meat baits, set
+for small carnivores.
+
+
+=Marmosa canescens canescens= (Allen)
+
+Murine Opossum; Spanish, Ratón Tlacuache
+
+    _Didelphis (Micoureus) canescens_ Allen, Bull. Amer. Mus. Nat.
+       Hist., 5:235, September 22, 1893, type from Santo Domingo
+       de Guzman, Isthmus of Tehuantepec, México.
+
+    _Marmosa canescens_ Allen, Bull. Amer. Mus. Nat. Hist., 9:58,
+       March 15, 1897.
+
+_Range._--Below _Quercus_ belt, probably throughout western half of
+state.
+
+_Specimen examined_, 1: no. 100062, 1 mi. E and 6 mi. S Tacámbaro,
+4,000 ft.
+
+_Remarks._--The one unsexed subadult measures 5.5 mm. from Ml to M3
+inclusive, which measurement is near the minimum that Tate (1933:
+table 1, Sec. 5) records for this subspecies but larger than the
+maximum that he (_loc. cit._) records for the subspecies _sinaloae_
+which occurs to the northward of Michoacán. Tate (_op. cit._:141)
+lists two other specimens from Los Reyes. Our specimen was caught in a
+mouse trap set in dry grass between a sugar cane field and a patch of
+banana trees.
+
+
+=Sorex saussurei saussurei= Merriam
+
+Saussure Shrew; Spanish, Musaraña
+
+    _Sorex saussurei_ Merriam, Proc. Biol. Soc. Washington, 7:173,
+       September 29, 1892, type from north slope Sierra Nevada de
+       Colima, approximately 8,000 feet, Jalisco.
+
+_Range._--In and above _Quercus_ belt, probably throughout
+northeastern half of state.
+
+_Specimens examined_, 14: nos. 8688, 52131-52141, 100076, 100077,
+distributed by localities as follows: Pátzcuaro, 1; 4 mi. S Pátzcuaro,
+7,800 ft., 2; Mount Tancítaro (7,800 ft., 8; 9,500 ft., 1; 9,600 ft.,
+1; 10,000 ft., 1), 11.
+
+_Remarks._--Two males from Mount Tancítaro, with much worn teeth,
+catalogue nos. 52132 and 52138, measure, respectively, as follows:
+Total length, 122, 114; length of tail, 46, 43; length of hind foot,
+15, 14; condylobasal length, 18.4, 18.3; palatal length, 8.0, 7.3;
+cranial breadth, 9.4, 9.2; least interorbital breadth, 3.7, 3.8;
+maxillary breadth, 5.5, 5.5; maxillary tooth-row, 6.8, 6.7. The long
+palate in no. 52132 and the broad brain case in both specimens appear
+to be only individual variations or possibly variations correlated
+with the advanced age of the two animals since in other features they
+do not differ from specimens which are smaller in these two
+dimensions. Jackson (1928:156) records specimens of this shrew from
+Mount Patambán and Nahuatzin.
+
+
+=Cryptotis pergracilis pergracilis= (Elliot)
+
+Short-tailed Shrew; Spanish, Musaraña Colicorta
+
+    _Blarina pergracilis_ Elliot, Field Columb. Mus., publ. 71,
+       zoöl. ser., 3:149, February, 1903, type from Ocotlan, Jalisco,
+       México.
+
+    _Cryptotis pergracilis pergracilis_, Miller, Proc. Biol. Soc.
+       Washington, 24:223, October 31, 1911.
+
+_Range._--Probably statewide.
+
+_Specimen examined_, 1: no. 1721 B. Villa R. from Colonia Ibarra,
+Pátzcuaro.
+
+_Remarks._--Our one specimen, originally a mount, proves to have a
+crushed brain case. The specimen was saved on March 10, 1944, by P.
+Luna, who in March, 1943, told one of us (Hall) that many of these
+shrews fell into the cement fish-rearing tanks at the biological
+station situated at Colonia Ibarra, a suburb of Pátzcuaro, on the
+shore of Lake Pátzcuaro. We are indebted to Dr. H. H. T. Jackson for
+examining our specimen and assigning a name to it.
+
+
+=Balantiopteryx plicata= Peters
+
+Sac-winged Bat; Spanish, Murciélago Sacoptero; Tarascan word for bat
+is Huasís (Wasis)
+
+    _Balantiopteryx plicata_ Peters, Monatsber. k. preuss. Akad.
+       Wiss. Berlin, p. 476, 1867, type from Puntaarenas, Costa Rica.
+
+_Range._--Statewide.
+
+_Specimens examined_, 2: nos. 52224, 52225, from Apatzingan, 1,040 ft.
+
+_Remarks._--This bat is a cave dweller, not infrequently found
+roosting with other species.
+
+
+=Glossophaga soricina leachii= (Gray)
+
+Long-tongued Bat; Spanish, Murciélago Siricotéro
+
+    _Monophyllus leachii_ Gray, Voyage of the Sulphur, Zoöl.,
+       1:18, 1844, type from Realejo, Nicaragua.
+
+    _Glossophaga soricina leachii_, Miller, Proc. U. S. Nat. Mus.,
+       46:419, December 31, 1913.
+
+_Range._--Statewide.
+
+_Specimens examined_, 4: nos. 11377, Univ. Kan., and alcoholic
+specimens nos. 950-952 B. Villa R. field numbers, I. B. (specimens in
+Instituto de Biología, Univ. de México), distributed by localities as
+follows: Hacienda El Sabino, Michoacán, approximately 25 mi. S
+Uruapan, 1; El Guayabo, 34 kms. S Uruapan, 3.
+
+_Remarks._--Specimens from El Guayabo were taken in a natural cave
+which they shared with _Desmodus rotundus murinus_ and _Artibeus
+planirostris planirostris_.
+
+       *       *       *       *       *
+
+The length of the thumb averages 7.4 mm. (7.0 to 7.7). As compared
+with _G. s. alticola_ from northeast Tlaxcala according to the
+description given by Davis (1944:377), our specimens agree with
+_alticola_ in length of thumb. In all other characters they correspond
+to _leachii_.
+
+
+=Choeronycteris mexicana= Tschudi
+
+Long-tongued Bat; Spanish, Murciélago Carilargo
+
+    _Choeronycteris mexicana_ Tschudi, Fauna Peruana, p. 72, 1844,
+       type from México.
+
+_Range._--Statewide.
+
+_Specimens examined_, 4: nos. 100078-100081, from 2 mi. W Pátzcuaro,
+7,700 ft.
+
+_Remarks._--A colony of 20 or more bats of this species was found in a
+natural cave. Four were caught by hand as they flew about after we
+disturbed them. We returned on the following day, but found that all
+the bats had left.
+
+
+=Leptonycteris nivalis nivalis= (Saussure)
+
+Leaf-nosed Bat; Spanish, Murciélago Lengüilarga
+
+    _M[=Ischnoglossa]. nivalis_ Saussure, Revue et Magasin de
+       Zoölogie, 12(ser. 2):492, November, 1860, type from near snow
+       line on Mount Orizaba.
+
+    _Leptonycteris nivalis_, Miller, Proc. Biol. Soc. Washington,
+       13:126, April 6, 1900.
+
+_Range._--Probably middle and higher altitudes through state.
+
+_Specimen examined_, 1: no. 91911, Univ. Michigan Mus. Zoöl., from
+1050 m., 12 miles (on Huetamo Road) south of Tzitzio.
+
+_Remarks._--The subspecific name _L. n. nivalis_ is tentatively
+applied to this specimen in the absence of an opportunity to compare
+it directly with the holotype or topotypes of _Leptonycteris nivalis
+yerbabuenae_ Martinez and Villa (1940:291). Unfortunately, the
+materials on which this name, _L. n. yerbabuenae_, was based all were
+destroyed in 1945 or 1946 while Villa was absent from the Institute of
+Biology of the University of México.
+
+
+=Artibeus planirostris planirostris= (Spix)
+
+Big Leaf-nosed Bat; Spanish, Murciélago Zapotero
+
+    _Phyllostoma planirostre_ Spix, Simiarum et vespertilionum
+       Brasiliensium, p. 66, 1823, type from suburbs of Bahia,
+       Brazil.
+
+    _Artibeus planirostris_, Dobson, Catal. Chiroptera, British
+       Mus., p. 515 (part), 1878.
+
+_Range._--Probably southwestern part of state.
+
+_Specimen examined_, 1: no. 945b B. Villa R., field no., I.B., El
+Guayabo, 34 kms. S Uruapan.
+
+_Measurements._--Head and body, 89.0 mm.; total length of skull to
+front of upper canines, 28.0; mastoid breadth, 15.5; zygomatic
+breadth, 17.8; maxillary width across first upper molars, 13.2;
+breadth across cingula of upper canines, 7.9; greatest length of one
+ramus of lower jaw including anteriormost incisor tooth, 19.4; length
+of upper tooth-row, anterior border of canine to posterior border of
+M2, 10.4; length of lancet (nose-leaf), 9.0; width of lancet, 6.5;
+width of horseshoe, 9.0; forearm, 57.3; 3rd metacarpal, 52.6; 1st
+(basal) phalanx, 16.0; 2nd (middle) phalanx, 26.7; 3rd (distal)
+phalanx, 18.5; 4th metacarpal, 50.7; 1st (basal) phalanx, 14; 2nd
+phalanx, 18.8; 5th metacarpal, 54; 1st (basal) phalanx, 11.2; 2nd
+phalanx, 13.2; lower leg, 22.9; foot with claws, 15.2; calcar, 6.5.
+
+_Remarks._--Our single specimen, a female, was caught on July 28,
+1945, by my (B. Villa's) father, Andres Villa, in a natural cave,
+roosting with the individuals of _Glossophaga s. leachii_. The
+northernmost locality in México from which _A. p. planirostris_
+previously has been recorded is El Papayo, in the state of Guerrero
+(Andersen, 1908:238), approximately 225 kilometers to the southward.
+_A. p. planirostris_ and _Artibeus jamaicensis_ closely resemble each
+other but _A. planirostris_ may be recognized by the presence of a
+minute M3 which is absent in _A. jamaicensis_. Specimen no. 945b has
+M3 present on both sides of the upper jaw. From _Artibeus hirsutus_,
+known from La Salada, Michoacán, approximately 40 miles north and
+slightly to the east of El Guayabo, our specimen differs in the
+apparently hairless tibia and interfemoral membrane. The measurements,
+of no. 945b, recorded above, if compared with those given by Andersen
+(1908:246) are seen mostly to fall within the range recorded for _A.
+hirsutus_. Where measurements are outside this range, they fall within
+the range of those of the larger _A. p. planirostris_. We recognize
+that the Mexican species of _Artibeus_ are not well understood, at
+least by us.
+
+
+=Artibeus hirsutus= K. Andersen
+
+Leaf-nosed Bat; Spanish, Murciélago Zapotero
+
+    _Artibeus hirsutus_ K. Andersen, Ann. and Mag. Nat. Hist.,
+       18(ser. 7):420, December, 1906, type from La Salada,
+       Michoacán.
+
+_Range._--Known from western part of state.
+
+_Remarks._--From Michoacán, Andersen (1908:247) examined three
+specimens, all from the type locality.
+
+
+=Desmodus rotundus murinus= Wagner
+
+Vampire Bat; Spanish, Vampiro
+
+    _D[esmodus]. murinus_ Wagner, Schreber's Säugethiere, Suppl.,
+       1:377, 1840, type from México.
+
+    _Desmodus rotundus murinus_, Osgood, Field Mus. Nat. Hist.,
+       publ. 155, zoöl. ser., 10:63, January 10, 1912.
+
+_Range._--Statewide, except rare or absent at higher altitudes.
+
+_Specimens examined_, 6: nos. 944-949 B. Villa R. field numbers, I.B.,
+El Guayabo, 34 kms. S Uruapan.
+
+_Remarks._--This species is colonial; usually it is found in large
+numbers in favorite roosting sites, mainly in natural caves. Four of
+our specimens, caught in July, are females and two are young males.
+One, female, no. 944, has one embryo of 40 mm. in length.
+
+
+=Myotis yumanensis lutosus= Miller and Allen
+
+Yuma Myotis; Spanish, Murciélago de Yuma
+
+    _Myotis yumanensis lutosus_ Miller and Allen, U. S. Nat. Mus.,
+       Bull., 144:72, May 25, 1928, type from Pátzcuaro, Michoacán.
+
+    _Myotis yumanensis_, Miller, N. Amer. Fauna, 13:67, October
+       16, 1897.
+
+_Range._--Known only from Pátzcuaro and El Molino.
+
+_Remarks._--Originally recorded by Miller (1897:67) from Pátzcuaro,
+the animals from central México were named as a new subspecies by
+Miller and Allen (1928:72) who record one specimen from El Molino.
+
+
+=Myotis velifer velifer= (Allen)
+
+Cave Bat; Spanish, Murciélago Vespertino
+
+    _Vespertilio velifer_ J. A. Allen, Bull. Amer. Mus. Nat.
+       Hist., 3:177, December 10, 1890, type from Santa Cruz del
+       Valle, Guadalajara, Jalisco.
+
+    _Myotis velifer velifer_, Allen and Miller, U. S. Nat. Mus.
+       Bull., 144:89, May 25, 1928.
+
+_Range._--Statewide.
+
+_Specimens examined_, 17: nos. 100083-100099, from 3 mi. NW Pátzcuaro,
+6,700 ft.
+
+_Remarks._--Our specimens were taken on March 12, 1943, from a crevice
+in the wall of an abandoned chapel where 35 or more individuals of
+both sexes were living. Miller (1897:59) records the species from
+Pátzcuaro and Miller and Allen (1928:91) record it from there and also
+from Lake Chapala, La Palma, Acámbaro (now in Guanajuato) and
+Negrete.
+
+
+=Myotis thysanodes thysanodes= Miller
+
+Fringed-tailed Myotis; Spanish, Murciélago Colirugosa
+
+    _Myotis thysanodes_ Miller, N. Amer. Fauna, 13:80, October 16,
+       1897, type from Old Fort Tejon, Kern County, California.
+
+_Range._--Known only from Pátzcuaro.
+
+_Remarks._--In the original description five specimens are recorded
+from Pátzcuaro and Miller and Allen (1928:127) mention the same
+locality of occurence.
+
+
+=Myotis californicus mexicanus= (Saussure)
+
+California Myotis; Spanish, Murciélago de California
+
+    _V[espertilio]. mexicanus_ Saussure, Rev. et Mag. de Zoöl., 12
+       (ser. 2):282, 1860, type from somewhere in the warmer part of
+       the state of México.
+
+    _Myotis californicus mexicanus_, Miller, N. Amer. Fauna,
+       13:73, October 16, 1897.
+
+_Range._--Known in Michoacán only from Pátzcuaro.
+
+_Remarks._--Specimens from Pátzcuaro are recorded by Miller and Allen
+(1928:160).
+
+
+=Eptesicus fuscus miradorensis= (H. Allen)
+
+Big Brown Bat; Spanish, Murciélago Fusco
+
+    _S[cotophilus]. miradorensis_ H. Allen, Proc. Acad. Nat. Sci.
+       Philadelphia, p. 287, 1866, type from Mirador, Veracruz.
+
+    _Eptesicus fuscus miradorensis_, Miller, N. Amer. Land Mamm.,
+       1911, p. 62, December 31, 1912.
+
+_Range._--Probably statewide.
+
+_Specimen examined_, 1: no. 91909, Univ. Michigan, Mus. Zoöl., from
+Rancho Escondido, one mile north of Apo, 6,000 feet elevation, June
+29, 1947, female adult, taken by W. H. Burt.
+
+
+=Lasiurus borealis mexicanus= (Saussure)
+
+Red Bat; Spanish, Murciélago Rojizo
+
+    _A[talapha]. mexicana_ Saussure, Rev. et Mag. de Zoöl.,
+       13(2):97, March, 1861, type probably from Veracruz, Puebla
+       or Oaxaca.
+
+    _Lasiurus borealis mexicanus_, Miller, N. Amer. Fauna, 13:111,
+       October 16, 1897.
+
+_Range._--Probably larger part of state.
+
+_Specimen examined_, 1: no. 89446, Univ. Michigan, Mus. Zoöl., from
+Nuevo San Juan (Los Conejos), 5 mi. SW Uruapan, May 23, 1945, by W. H.
+Burt.
+
+_Remarks._--This specimen, a male with much worn teeth, answers well
+to the description of _L. b. mexicanus_ except that the minute
+premolar between the canine and fourth premolar is missing on each
+side of the upper jaw. This, however, seems the less remarkable after
+examination of 18 skulls of _L. b. borealis_ from the United States in
+two of which these minute premolars are likewise absent; one of the
+two specimens from the United States has unworn teeth and the other
+much worn teeth.
+
+
+=Lasiurus cinereus cinereus= (Beauvois)
+
+Hoary Bat; Spanish, Murciélago Pardo
+
+    _Vespertilio cinereus_ (misspelled _linereus_) Beauvois,
+       Catal. Raisonné Mus. Peale, Philadelphia, p. 18, 1796,
+       type locality, Philadelphia, Pennsylvania.
+
+    _Lasiurus cinereus_, H. Allen, Monogr. N. Amer. Bats,
+       Smithsonian Misc. Colls., 7(1): 12, June, 1864.
+
+_Range._--Higher elevations throughout state.
+
+_Specimen examined_, 1: no. 89456, Univ. Michigan Mus. Zoöl., from
+Barranca Seca, May 6, 1945, adult male with much worn teeth, obtained
+by W. H. Burt.
+
+
+=Corynorhinus rafinesquii mexicanus= G. M. Allen
+
+Long-eared Bat; Spanish, Murciélago Narigudo
+
+    _Corynorhinus megalotis mexicanus_ Allen, G. M., Bull. Mus.
+       Comp. Zoöl., 60:347, April, 1916, type from "near Pacheco,"
+       Chihuahua.
+
+    _Corynorhinus rafinesquii mexicanus_, Miller, U. S. Nat. Mus.,
+       Bull., 128:83, April 29, 1924.
+
+    _Corynorhinus macrotis pallescens_, Miller, N. Amer. Fauna,
+       13:52, October 16, 1897.
+
+_Range._--Known from only Pátzcuaro.
+
+_Remarks._--Miller (1897:53) recorded one specimen from Pátzcuaro and
+Allen (1916:349) merely alludes to Miller's record.
+
+
+=Tadarida mexicana= (Saussure)
+
+Mexican Free-tailed Bat; Spanish, Murciélago Coludo
+
+    _Molossus mexicanus_ Saussure, Rev. et Mag. de Zoöl., 12:283,
+       July, 1860, type from Cofre de Perote, 13,000 feet, Veracruz.
+
+    _Tadarida mexicana_, Miller, Bull. U. S. Nat. Mus., 128:86,
+       April 29, 1924.
+
+_Range._--Statewide.
+
+_Specimens examined_, 12: nos. 100100-100111, distributed by
+localities as follows: 1 mi. N Zamora, 5,450 ft., 1; 3 mi. N
+Pátzcuaro, 6,800 ft., 3; 3 mi. NW Pátzcuaro, 6,700 ft., 3; Isla
+Janitzio, Lago de Pátzcuaro, 6,600 ft., 5.
+
+_Remarks._--This species is widespread in México, ranging from sea
+level to high elevations as at the type locality. In Michoacán most of
+our specimens were shot as they flew about at early dusk. The five
+from Isla Janitzio were shot as they clung to the roof of a cave along
+with scores of other individuals of the same species.
+
+
+=Eumops underwoodi underwoodi= Goodwin
+
+Mastiff Bat; Spanish, Murciélago Mastin
+
+    _Eumops underwoodi_ Goodwin, Amer. Mus. Novitates, 1075:2,
+       June 27, 1940, type from El Pedrero, 6 km. N Chinaela,
+       approximately 3,000 ft. elevation, Dept. La Paz, Honduras.
+
+_Range._--Known only from Tancítaro Mtn.
+
+_Specimen examined_, 1: no. 89461, Univ. Michigan Mus. Zoöl., from
+Rancho Escondido, 2 mi. N Apo, Tancítaro Mtn., [F] ad. with much worn
+teeth, taken June 11, 1945, by W. H. Burt.
+
+_Remarks._--Selected measurements of this specimen are: Total length,
+158; ear from notch, 32; mastoid breadth, 16.1; width across crowns
+of M3, 12.6; maxillary tooth-row (from anterior face of canine above
+cingulum to posterior face of M3), 11.8. The total length is less than
+in _E. underwoodi_ or than in _Eumops sonoriensis_ Benson (1947:133);
+the other measurements given above exceed those of _E. sonoriensis_
+and equal or approach those of _E. underwoodi_. The ears seem not to
+be connected across the forehead; the color is near (_l_) Bister above
+and slightly lighter on the underparts.
+
+The specimen is clearly intermediate in size, as it also is
+geographically, between _Eumops underwoodi underwoodi_ Goodwin and
+_Eumops underwoodi sonoriensis_ Benson and gives basis for arranging
+these two named kinds as subspecies of a single species as Benson
+(1947:134) suggested might prove to be necessary. We are not certain
+whether this specimen should be referred to the subspecies
+_underwoodi_ or _sonoriensis_ and probably this uncertainty will
+remain until the range of individual variation in _underwoodi_ is
+known.
+
+
+=Procyon lotor hernandezii= Wagler
+
+Raccoon; Spanish, Mapache; Tarascan, Apátze (Apatz)
+
+    _Pr[ocyon] hernandezii_ Wagler, Isis, 24:514, 1831, type from
+       Valley of México, according to Nelson and Goldman (Proc.
+       Biol. Soc. Washington, 44:17, February 21, 1931).
+
+    _Procyon lotor hernandezii_, Allen, Bull. Amer. Mus. Nat.
+       Hist., 3:176, December 10, 1890.
+
+_Range._--Statewide.
+
+_Specimens examined_, 2: no. 100113 from 10 mi. ESE Zamora, 5,500 ft.,
+1; no. 52220 from 15 kms. W Apatzingan, 1,040 ft., 1.
+
+_Remarks._--In allusion to its habit of washing its food, in captivity
+at least, before eating it, the Spanish speaking people often refer to
+this species as _ositos labadores_. The specimen from 10 mi. ESE
+Zamora is a skull without lower jaws or indication of sex. Because the
+racoons damage corn in the roasting ear stage the animals are disliked
+by the farmers, a score of whom sometimes band together in an
+organized hunt to kill the animals. Dogs are especially trained to
+hunt them. In Michoacán no use is made of the pelts.
+
+
+=Nasua narica molaris= Merriam
+
+Coati; Spanish, Pizote; Tarascan, Amátze (Amatz)
+
+    _Nasua narica molaris_ Merriam, Proc. Biol. Soc. Washington,
+       15:68, March 22, 1902, type from Manzanillo, Colima; Goldman,
+       Proc. Biol. Soc. Washington, 55:79, June 25, 1942.
+
+_Range._--Probably all but higher parts of state.
+
+_Remarks._--We have no positive record of this animal which Goldman
+(1942:79) writes "is widely distributed from Jalisco south through
+Colima, Michoacán, ... to southwestern Oaxaca." In the parts of
+Michoacán visited by us the Spanish name tejón instead of pizote was
+used for this animal although in parts of México where the badger
+(_Taxidea_) occurs, tejón is, we understand, the name used for the
+badger.
+
+
+=Bassariscus astutus consitus= Nelson and Goldman
+
+Ring-tailed Cat; Spanish, Cacomixtle
+
+    _Bassariscus astutus consitus_ Nelson and Goldman, Jour.
+       Washington Acad. Sci., 22:487, October 19, 1932, type from
+       La Salada, 40 mi. S Uruapan, Michoacán.
+
+_Range._--Probably greater part, or all, of state.
+
+_Specimen examined_, 1: no. 100112 from 3 mi. NW Pátzcuaro, 6,700 ft.
+
+_Remarks._--La Salada and three miles northwest of Pátzcuaro are the
+two localities represented by actual specimens. A live animal, at
+night, was seen one mile east and four miles south of Tacámbaro at
+4,500 feet elevation. The young female from three miles northwest of
+Pátzcuaro was trapped at a break in a stone fence.
+
+Ring-tailed cats live in the stone walls, crevices and rocky ledges,
+around corn fields and pasture lands.
+
+
+=Mustela frenata leucoparia= (Merriam)
+
+Weasel; Spanish, Comadreja; Tarascan, Apásr or Apatzee (Apatz)
+
+    _Putorius frenatus leucoparia_ Merriam, N. Amer. Fauna, 11:29,
+       June 30, 1896, type from Pátzcuaro, Michoacán.
+
+    _Mustela frenata leucoparia_, Miller, Bull. U. S. Nat. Mus.,
+       79:100, December 31, 1912.
+
+_Range._--Probably statewide.
+
+_Specimens examined_, 6: in Biological Surveys Collection of U. S.
+Nat. Mus., nos. 120304, 125972, 34914/47179, 36855/49239, and
+34915/47180; 2014 B. Villa R., I.B., distributed as follows:
+Zamora, 1; Los Reyes, 1; Pátzcuaro, 4.
+
+_Remarks._--This subspecies of weasel is notable for having, among
+American weasels of any kind, the maximum amount of white on the head.
+When collecting at Pátzcuaro we saw no live specimens but were shown
+several from there that had been recently mounted by P. Luna. He
+regarded the animal as not especially rare.
+
+
+=Spilogale angustifrons angustifrons= Howell
+
+Spotted Skunk; Spanish, Zorrillo Manchado
+
+    _Spilogale angustifrons_ Howell, Proc. Biol. Soc. Washington,
+       15:242, December 16, 1902, type from Tlalpam, D. F.
+
+_Range._--Probably all of state except low coastal area.
+
+_Specimen examined_, 1: no. 100126, 3 mi. NW Pátzcuaro, 6,700 ft.
+
+_Remarks._--The short tail of our specimen, an adult male, is
+noteworthy as perhaps also is the breadth between the orbits.
+External measurements are 338, 101, 39. It weighed 308 grams.
+Selected cranial measurements are: Basilar length, 44.1; zygomatic
+breadth, 32.4; postpalatal length, 26.6; least interorbital breadth,
+13.8; height of cranium, 16.0. The specimen was trapped in a hole in a
+stone fence. Howell (1906:23), under the name _Spilogale gracilis_,
+recorded another male from Pátzcuaro.
+
+
+=Mephitis macroura macroura= Lichtenstein
+
+Hooded Skunk; Spanish, Zorrillo or Mofeta Rayada; Tarascan, Cuitziqui
+(Kweetzeke)
+
+    _Mephitis macroura_ Lichtenstein, Darstellung Neuer oder wenig
+       bekannter Säugethiere pl. 46, 1832, type from mountains
+       northwest of México City.
+
+_Range._--Statewide.
+
+_Specimens examined_, 12: nos. 100114-100125, distributed with
+reference to Pátzcuaro, as follows: 3 mi. NW, 6,700 ft., 1; 2 mi. W,
+7,600 and 7,000 ft., 2; 3-1/2 mi. S, 7,900 ft., 1; 4 mi. S, 7,800 ft.,
+2; 5 mi. S, 7,800 ft., 5; 9 mi. SE, 8,000 ft., 1.
+
+_Remarks._--Skunk tracks were abundant in all localities around
+Pátzcuaro. Most of our specimens were caught in steel traps, some
+along the edges of cornfields, others along the highway and along the
+pole fences. Tarascan friends at Colonia Revolución were eager to have
+the bodies of the skunks which we caught. They regarded the skunks as
+a delicacy and told us that this food was reputed to be good for a
+person's blood and complexion.
+
+
+=Conepatus mesoleucus nelsoni= Goldman
+
+Hog-nosed Skunk; Spanish, Zorillo Real
+
+    _Conepatus mesoleucus nelsoni_ Goldman, Jour. Mamm., 3:41,
+       February 8, 1922, type from Armería (near Manzanillo),
+       Colima, 200 ft. altitude.
+
+_Range._--Probably greater part, or all, of state.
+
+_Specimen examined_, 1: no. 52217, Tancítaro, 6,000 ft.
+
+_Remarks._--The name _C. m. nelsoni_ is tentatively used for the
+single skin, which is without skull or indication of sex.
+
+
+=Urocyon cinereoargenteus colimensis= Goldman
+
+Gray Fox; Spanish, Zorra Gris; Tarascan, Cúmihuátz (Cumewatz)
+
+    _Urocyon cinereoargenteus colimensis_ Goldman, Jour.
+       Washington Acad. Sci., 28:495, November 15, 1938, type
+       from 3 mi. W city of Colima, 1,700 ft. elevation.
+
+_Range._--Statewide.
+
+_Specimens examined_, 2: no. 100127, from 1 mi. E and 6 mi. S
+Tacámbaro, 4,000 ft., and no. 51393 from Apatzingan.
+
+_Remarks._--The female from southeast of Tacámbaro, caught on March
+20, 1943, had two embryos, 28 mm. in length. This female was trapped
+near a small stream. Goldman (1938:497) reported 7 specimens of _U. c.
+colimensis_ from the following localities in the state: La Huacana, 1;
+La Salada, 2; Los Reyes, 1; Mount Tancítaro, 1; Pátzcuaro, 2.
+
+
+PLATE 4
+
+   [Illustration: FIG. 1. Panoramic view of Lake Pátzcuaro.]
+
+   [Illustration: FIG. 2. Stuffed skins, in dorsal view, of 6
+      males of _Mephitis macroura macroura_, all trapped within
+      a radius of 5 miles of Pátzcuaro, to show the amount of
+      individual variation in color-pattern. ×1/10. Photo by
+      W. C. Matthews.]
+
+
+PLATE 5
+
+   [Illustration: FIG. 1. Ungrazed pasture with oaks on slope of
+      El Estribo, 7,700 feet elevation, two miles west of the town
+      of Pátzcuaro, Michoacán. Several species of rodents, _Liomys_,
+      _Sigmodon_, and _Peromyscus_ were taken abundantly in the
+      grass in the immediate foreground. Photo March 16, 1943, by
+      Mary F. Hall.]
+
+   [Illustration: FIG. 2. Xerophitic vegetation, eleven miles west
+      of Zamora, Michoacán. 5,750 feet elevation, where rodents
+      were trapped. Photo March 26, 1943, by Mary F. Hall.]
+
+
+=Canis latrans cagottis= (Hamilton Smith)
+
+Coyote; Spanish, Coyote; Tarascan, Jihuátz (Hewatz)
+
+    _Lyciscus cagottis_ Hamilton Smith, Jardine's Naturalist's
+       Library, Mamm., 9:164, 1839, type from Río Frío between
+       city of México and Puebla.
+
+    _Canis latrans cagottis_, Nelson, Proc. Biol. Soc. Washington,
+       45:224, November 26, 1932.
+
+_Range._--Probably most of state.
+
+_Remarks._--On March 27 or 28, 1943, in Morelia, at a gasoline filling
+station, one of us (Hall) saw a freshly killed coyote tied on the
+bumper of the automobile of a Medical Doctor. In response to inquiry
+about the animal the Doctor said that he killed it some 15 miles
+northeast of town.
+
+
+=Lynx rufus escuinapae= Allen
+
+Bobcat; Spanish, Gato del Monte; Tarascan, Misícpápu (misicpapu)
+
+    _Lynx ruffus escuinapae_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       19:614, November 14, 1903, type from Escuinapa, Sinaloa.
+
+_Range._--Probably all of state above the Tropical Life-zone.
+
+_Specimen examined_, 1: no. 47818 (U. S. Nat. Mus., Biol. Surv.
+Coll.), Pátzcuaro.
+
+_Remarks._--The skull of the male from Pátzcuaro agrees well with
+those of topotypes of _L. r. escuinapae_ even to the elongate tympanic
+bullae. Because of their elongation the bullae resemble, in some
+degree, those of the ocelot. Natives told us that the gato del monte
+was resident around Pátzcuaro. Four miles south of Pátzcuaro in a
+cornfield at the edge of an area grown up to oak trees and brush,
+tracks were seen that our Indian companion identified as those of the
+gato del monte.
+
+
+=Citellus variegatus variegatus= (Erxleben)
+
+Rock Squirrel; Spanish, Ardilla de Pedregal; Tarascan, Kuaráki
+(Kuaraki)
+
+    _[Sciurus] variegatus_ Erxleben, Syst. Regni, Anim., 1:421,
+       1777; type locality fixed as Valley of México near the city
+       of México, by Nelson, Science, N. S., 8:898, December 23, 1898.
+
+    _[Citellus] variegatus_, Elliot, Field Columb. Mus. Pub.,
+       zoöl. ser. 4:148, 1904.
+
+_Range._--Probably in all semi-arid, rocky habitats of the state.
+
+_Specimens examined_, 11: nos. 100128-100135; 51385-51387, distributed
+by localities as follows: 1 mi. N Zamora, 5,450 ft., 1; 3 mi. NW
+Pátzcuaro, 6,700 ft., 5; 4 mi. S Pátzcuaro, 7,800 ft., 1; 1-1/2 mi. S
+Tacámbaro, 5,700 ft., 1; Mount Tancítaro, 1; Pedregal, Tancítaro, 1;
+Tancítaro, 1.
+
+_Remarks._--Rock squirrels were seen along rock fences, around
+Pátzcuaro, where they are fairly common. On July 17 and 18, 1947, at
+San Juan Parangaricutiro, one of us (Villa) saw these squirrels
+running over the newly formed lava bed which was still emitting vapors
+and which in places (between boulders) was emitting heat detectable by
+the collectors. This is only additional evidence of the animal's
+strong predilection for rocks, boulders and cliffs, which has earned
+for it, in parts of the western United States, the vernacular name
+"rock squirrel" and in México "_Ardilla de Pedregal_."
+
+Howell (1938:138) reported specimens from the following localities:
+Acámbaro, 1; Los Reyes, 1; Mount Tancítaro, 2; Pátzcuaro, 12;
+Queréndaro, 1; Zamora, 2.
+
+
+=Citellus adocetus adocetus= Merriam
+
+Lesser Tropical Ground Squirrel; Spanish, Cuiniqui; Tarascan, Kuaráki
+(Kuaraki)
+
+    _Citellus adocetus_ Merriam, Proc. Biol. Soc. Washington,
+       16:79, May 29, 1903, type from La Salada, 40 miles south
+       of Uruapan, Michoacán.
+
+_Range._--Southern part of state in arid tropical land.
+
+_Specimens examined_, 4: nos. 52000, 52001, 51388, 51389, distributed
+by localities as follows: "Near Tancítaro," 2; Acahuato, 1;
+Apatzingan, 1,040 ft., 1.
+
+_Remarks._--Ground squirrels of this species are fairly abundant in
+the arid tropical parts of the state. Their burrows are usually found
+on stony areas along small ravines or under mesquite (_Prosopis
+juliflora_) thickets. The name cuiniqui in use by the Spanish speaking
+population is merely a corruption of the Tarascan name. Cuiniqui,
+therefore, is a particular kind of _ardilla terrícola_ (ground
+squirrel).
+
+
+=Sciurus poliopus nemoralis= Nelson
+
+Michoacán Squirrel; Spanish, Ardilla arborícola; Tarascan, Uakuí
+(Wakqe)
+
+    _Sciurus albipes nemoralis_ Nelson, Proc. Biol. Soc,
+       Washington, 12:151, June 3, 1898, type from Pátzcuaro,
+       Michoacán.
+
+    _Sciurus poliopus nemoralis_ Nelson, Proc. Washington Acad.
+       Sci., 1:50, May 9, 1899.
+
+_Range._--Pine and oak forests of most of state.
+
+_Specimens examined_, 3: nos. 2102 and 2103 Louisiana State University
+from 20 mi. E Morelia, 7,300 ft., and no. 1369 B. Villa R. from 1-1/2
+km. N San Juan 2,250 meters.
+
+_Remarks._--Tree squirrels of this kind have been reported by Nelson
+(1899:51) from Pátzcuaro and Nahuatzin.
+
+The young specimen, no. 2102, [M], has the tail slender, resembling
+somewhat that of the _S. p. senex_ from the southward. The underparts
+of the female are Warm Buff, more clearly so on the underside of the
+legs.
+
+
+=Sciurus poliopus senex= Nelson
+
+Michoacán Squirrel; Spanish, Ardilla Arborícola; Tarascan, Uakuí
+(Wakqe)
+
+    _Sciurus poliopus senex_ Nelson, Proc. Biol. Soc. Washington,
+       17:148, October 6, 1904, type from La Salada, 40 mi. S
+       Uruapan.
+
+_Range._--Lowlands in southern part of state.
+
+_Specimens examined_, 3: nos. 52004, 52014, 52015, distributed by
+localities as follows: Tancítaro, 6,000 ft., 1; Apatzingan,
+1,040 ft., 2.
+
+_Remarks._--Specimen number 52014, [M], represents the melanistic
+phase of this subspecies.
+
+The upper parts of the hind legs in this specimen are slightly
+grizzled. The upper side of the tail is vermiculated with whitish
+and the underside of the tail is black.
+
+
+=Thomomys umbrinus pullus= Hall and Villa
+
+Southern Pocket Gopher; Spanish, Tuza Serrana; Tarascan,
+Cúmu (Cŏmŏ)
+
+    _Thomomys umbrinus pullus_ Hall and Villa, Univ. Kansas Publ.,
+       Mus. Nat. Hist., 1:251, July 26, 1948, type from 5 miles
+       south Pátzcuaro, 7,800 ft., Michoacán.
+
+_Range._--Known only from pine-covered rolling land three to five
+miles south of Pátzcuaro.
+
+_Specimens examined_, 17: nos. 100136-100152, distributed by
+localities as follows: 3 mi. S Pátzcuaro, 7,800 ft., 1; 4 mi. S
+Pátzcuaro, 7,800 ft., 10; 5 mi. S Pátzcuaro, 7,800 ft., 6.
+
+_Remarks._--Most of these pocket gophers were caught in areas
+supporting a good growth of pine trees in the same places where the
+much larger pocket gopher, _Cratogeomys gymnurus_, lived. Concerning
+the individual designated as the type specimen, H. H. Hall (field
+notes) writes that when he was making an excavation to reveal the
+gopher's burrow (5 inches below the surface), he dug deeper than was
+necessary and broke into the burrow of a _Cratogeomys_ directly below.
+Another of us (E. R. Hall) had the same experience where the burrow of
+a _Thomomys_ was approximately six inches below ground and that of a
+_Cratogeomys_ approximately 16 inches below the surface of the ground.
+At the time this arrangement led us to wonder if _Thomomys_ was in
+some sense a "parasite" on the larger _Cratogeomys_ by levying on food
+stores, if _Cratogeomys_ has any, but we found no evidence that such
+was the case and from our subsequent trapping concluded that the
+two-story arrangement was accidental and not the rule. The habit of
+burrowing at different levels probably was one factor which permitted
+the two kinds of pocket gophers to live in the same area. The average
+weight of these gophers was 86 grams in males and 74 grams in females,
+or only an eighth as much as in _Cratogeomys_.
+
+
+=Cratogeomys gymnurus imparilis= (Goldman)
+
+Plains Pocket Gopher; Spanish, Tuza Llanera; Tarascan,
+Cúmu (Cŏmŏ)
+
+    _Platygeomys gymnurus imparilis_, Goldman, Jour. Mamm., 20:89,
+       February 14, 1939, type from Pátzcuaro, 7,000 ft., Michoacán.
+
+    _Platygeomys tylorhinus_ Merriam, N. Amer. Fauna, 8:167, pl.
+       13, fig. 1, January 31, 1895.
+
+_Range._--Pátzcuaro and Tacámbaro, as now known.
+
+_Specimens examined_, 14: nos. 100153-100166, distributed by
+localities as follows: 2 mi. W Pátzcuaro, 7,700 ft., 2; 3 mi. S
+Pátzcuaro, 7,800 ft., 1; 4 mi. S Pátzcuaro, 7,800 ft., 1; 5 mi. S.
+Pátzcuaro, 7,800 ft., 6; 9 mi. SE Pátzcuaro, 8,000 ft., 1; 1-3/4 mi. S
+Tacámbaro, 5,700 ft., 1; 1-1/2 mi. S Tacámbaro, 5,700 ft., 2.
+
+_Remarks._--Burrows were common in cultivated fields and along the
+roads and trails on the southern and southeastern side of Lake
+Pátzcuaro. In the vicinity of Tacámbaro we noted burrows only in the
+area between one and a half and two miles south of town where two
+specimens were taken. As mentioned in the immediately preceding
+account, the small _Thomomys umbrinus pullus_ and the large
+_Cratogeomys_ were found in the same area. The color of our specimens
+varies from Cinnamon-Brown through Prouts Brown and in some specimens
+is Fuscous Black.
+
+Hooper (1946:397) has shown that the genus _Platygeomys_ is not
+generically distinct from the earlier named _Cratogeomys_. From
+independent study of specimens not examined by Hooper we have
+satisfied ourselves that he is correct in synonymizing _Platygeomys_
+under _Cratogeomys_. Average and extreme weights of 4 of each sex from
+2 to 5 miles south of Pátzcuaro are: [M], 683 (562-819); [F], 558
+(438-707) grams.
+
+
+=Cratogeomys angustirostris= (Merriam)
+
+Plains Pocket Gopher; Spanish, Tuza Llanera; Tarascan,
+Cúmu (Cŏmŏ)
+
+    _Platygeomys tylorhinus angustirostris_ Merriam, Proc. Biol.
+       Soc. Washington, 16:81, May 29, 1903, type from Patambán,
+       10,000 ft., Michoacán.
+
+    _Platygeomys angustirostris_, Goldman, Jour. Mamm., 20:90,
+       February 14, 1939.
+
+_Range._--Known only from the type locality.
+
+
+=Cratogeomys varius= (Goldman)
+
+Plains Pocket Gopher; Spanish, Tuza Llanera; Tarascan,
+Cúmu (Cŏmŏ)
+
+    _Platygeomys varius_ Goldman, Jour. Mamm., 20:90, February 14,
+       1939, type from Uruapan, about 6,000 ft., Michoacán.
+
+_Range._--Known only from the type locality.
+
+_Remarks._--Specimens from localities intermediate between Uruapan,
+the type locality of _C. varius_, and the known localities of
+occurence of _Cratogeomys gynmurus imparilis_ are much needed to
+ascertain if _C. varius_ is specifically different from _C. g.
+imparilis_, or merely subspecifically different.
+
+
+=Zygogeomys trichopus tarascensis= Goldman
+
+Michoacán Pocket Gopher; Spanish, Tuza de Michoacán; Tarascan,
+Cúmu (Cŏmŏ)
+
+    _Zygogeomys trichopus tarascensis_ Goldman, Proc. Biol. Soc.
+       Washington, 51:211, December 23, 1938, type from six miles
+       southeast of Pátzcuaro, 8,000 ft., Michoacán.
+
+    _Zygogeomys trichopus_ Merriam, N. Amer. Fauna, 8:196,
+       January 31, 1895.
+
+_Range._--"Known only from the upper slopes of the mountains in the
+vicinity of the type locality" (Goldman, 1938:211).
+
+_Remarks._--As we drove an automobile from Pátzcuaro to Tacámbaro we
+noted mounds made by pocket gophers along the road in the highest part
+of the pass and supposed that these mounds were made by _Zygogeomys_
+although we took no specimens of any kind of pocket gopher in the
+pass.
+
+
+=Zygogeomys trichopus trichopus= Merriam
+
+Michoacán Pocket Gopher; Spanish, Tuza de Michoacán; Tarascan,
+Cúmu (Cŏmŏ)
+
+    _Zygogeomys trichopus_ Merriam, N. Amer. Fauna, 8:196, pl. 6,
+       14-18, January 31, 1895, type from Nahuatzin, Michoacán.
+
+_Range._--Altitudinally from 6,000 feet to 11,800 feet on Mountains
+Tancítaro, Patambán, and at Nahuatzin.
+
+_Specimens examined_, 9: nos. 51970-51978, all from Mount Tancítaro,
+distributed by altitude as follows: 6,000 ft., 5; 7,800 ft., 3; 10,500
+ft., 1.
+
+_Remarks._--The upper parts of specimens available to us are rich
+Seal-Brown and glossy. The chin, and in most specimens, the upper side
+of the hind feet are white; the irregular white patch of the throat is
+present only in two young females, numbers 51974 and 51978.
+
+
+=Liomys pictus plantinarensis= Merriam
+
+Western Spiny Pocket Mouse; Spanish, Ratón Espinoso Occidental;
+Tarascan word for mouse is Jeyáqui (Hayake)
+
+    _Liomys plantinarensis_ Merriam, Proc. Biol. Soc. Washington,
+       15:46, March 5, 1902, type from Plantinar, Jalisco.
+
+    _Liomys pictus plantinarensis_, Goldman, N. Amer. Fauna,
+       34:37, September 7, 1911.
+
+_Range._--Northwestern part of state in semitropical areas.
+
+_Remarks._--Goldman (1911:38) records specimens from Los Reyes, noting
+that in some cranial features they suggest intergradation between _L.
+p. plantinarensis_ and _L. p. parviceps_.
+
+
+=Liomys pictus parviceps= Goldman
+
+Western Spiny Pocket Mouse; Spanish, Ratón Espinoso Occidental
+
+    _Liomys parviceps_ Goldman, Proc. Biol. Soc. Washington,
+       17:82, March 21, 1904, type from La Salada, "40 miles south
+       of Uruapan, Michoacán."
+
+    _Liomys pictus parviceps_ Goldman, N. Amer. Fauna, 34:38-39,
+       September 7, 1911.
+
+_Range._--Southern part of state in semitropical and tropical areas.
+
+_Specimens examined_, 28: nos. 100185-100199, 52072-52084, distributed
+by localities as follows: Apatzingan, 1,040 ft., 13; 1 mi. E and 2-1/2
+mi. S Tacámbaro, 4,700 ft., 4; 4 mi. S and 1 mi. E Tacámbaro, 4,500
+ft., 5; 1 mi. E and 6 mi. S Tacámbaro, 4,000 ft., 6.
+
+_Remarks._--Most measurements show a sexual dimorphism in this
+subspecies. Adult males are 15 per cent larger in external
+measurements except that the foot is approximately the same. Cranial
+measurements average approximately 5 per cent larger in males except
+that the breadth of the rostrum and length of the maxillary tooth-row
+are slightly less. South and east of Tacámbaro our specimens all were
+taken in dry semitropical country, where bananas and sugar cane were
+the principal crops grown. This subspecies has been recorded also from
+La Huacana, Michoacán, as well as from La Salada, the type locality,
+by Goldman (1911:39).
+
+
+=Liomys irroratus jaliscensis= (Allen)
+
+Northern Spiny Pocket Mouse; Spanish, Ratón Norteño
+
+    _Heteromys jaliscensis_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       22:251, July 25, 1906, type from Las Canoas, approximately
+       20 mi. W Zapotlán, 7,000 ft., Jalisco.
+
+    _Liomys irroratus jalicensis_, Goldman, N. Amer. Fauna, 34:60,
+       September 7, 1911.
+
+_Range._--Northwestern part of state.
+
+_Specimens examined_, 3: nos. 120273-120275 (U. S. Nat. Mus.) from
+Zamora.
+
+_Remarks._--As explained in detail by Hall and Villa (1948:254) these
+specimens from Zamora are intergrades between _L. i. jaliscensis_
+and _L. i. acutus_ and with almost equal propriety could be referred
+to either subspecies.
+
+
+=Liomys irroratus acutus= Hall and Villa
+
+Northern Spiny Pocket Mouse; Spanish, Ratón Norteño
+
+    _Liomys irroratus acutus_ Hall and Villa, Univ. Kansas Publ.,
+       Mus. Nat. Hist., 1:253, figs. 4-6, July 26, 1948, type from
+       2 mi. W Pátzcuaro, 7,700 ft., Michoacán.
+
+    _Liomys irroratus alleni_, Goldman, N. Amer. Fauna, 34:57,
+       September 7, 1911, part.
+
+_Range._--Pátzcuaro and vicinity.
+
+_Specimens examined_, 16: nos. 100170-100184 and 50356 (U. S. N. M.),
+distributed, with reference to Pátzcuaro, as follows: 3 mi. NW, 6,700
+ft., 1; 2 mi. W, 7,700 ft., 5; 2 mi. W, 6,700 ft., 2; Pátzcuaro
+itself, 1; 5 mi. S, 7,800 ft., 7.
+
+_Remarks._--None of the eight females contained embryos. Two adult
+males weigh, in grams, 71.5 and 65.1; the average and extreme weights
+for five adult females are 50.8 (44.8-61.8).
+
+
+=Liomys irroratus alleni= (Coues)
+
+Northern Spiny Pocket Mouse; Spanish, Ratón Norteño
+
+    _Heteromys alleni_ Coues, Bull. Mus. Comp. Zoöl., 8:187,
+       March, 1881, type from Río Verde, San Luis Potosí, México.
+
+    _Liomys irroratus alleni_ Goldman, N. Amer. Fauna, 34:56,
+       September 7, 1911.
+
+_Range._--Northeastern part of state.
+
+_Specimens examined_, 5: nos. 50325-50329 (U. S. Nat. Mus.) from
+Queréndaro.
+
+_Remarks._--The specimens from Queréndaro are not typical of the
+subspecies _L. i. alleni_ in that the shape of the interparietal bone
+and width of the basisphenoid bone are almost exactly intermediate
+between the conditions obtaining in typical _L. i. alleni_ and
+topotypes of _L. i. acutus_.
+
+
+=Reithrodontomys megalotis saturatus= Allen and Chapman
+
+Western Harvest Mouse; Spanish, Ratón Orejudo
+
+    _Reithrodontomys saturatus_ Allen and Chapman, Bull. Amer.
+       Mus. Nat. Hist., 9:201, June 16, 1897, type from Las Vigas,
+       Veracruz.
+
+    _Reithrodontomys megalotis saturatus_, Howell, N. Amer. Fauna,
+       36:36, June 5, 1914.
+
+_Range._--Northeastern part of state.
+
+_Specimens examined_, 12: nos. 100202-100212, 100273, from 1 mi. N
+Zamora, 5,450 ft.
+
+_Remarks._--Howell (1914:37) referred nine specimens from Nahuatzin to
+this race and two from the same place to the subspecies _R. m.
+zacatecae_. Our specimens from Zamora agree with topotypes of _R. m.
+saturatus_ and with specimens of that subspecies from the Valley of
+México in dark color and large size.
+
+If our specimens of _Reithrodontomys megalotis_ are correctly
+identified, subspecifically, _R. m. zacatecae_ ranges southward around
+the western end of the geographic range of _R. m. saturatus_.
+
+Where _R. megalotis_ and _R. fulvescens_ occur together, we find the
+skull of the latter to be distinguishable by: a median spine on the
+posterior border of the hard palate (truncate in _R. megalotis_); an
+S-shaped instead of a C-shaped pattern on the worn occlusal face of
+the last lower molar; and two re-entrant angles, on the lateral side
+on the worn occlusal surface of the third upper molar, reaching
+halfway across the tooth whereas in _R. megalotis_ the anterior
+re-entrant angle is wanting or extends less than a third of the way
+across the crown surface of the tooth.
+
+
+=Reithrodontomys megalotis zacatecae= Merriam
+
+Western Harvest Mouse; Spanish, Ratón Orejudo
+
+    _Reithrodontomys megalotis zacatecae_ Merriam, Proc.
+       Washington Acad. Sci., 3:557, November 29, 1901, type from
+       Valparaiso Mountains, Zacatecas.
+
+_Range._--From northwestern part of state south through its central
+part.
+
+_Specimens examined_, 53: nos. 100217-100269; distributed by
+localities, with reference to Pátzcuaro, as follows: 3 mi. N,
+6,700 ft., 3; 3 mi. N, 6,800 ft., 1; 3-1/2 mi. S, 7,900 ft., 3; 4 mi.
+S, 7,800 ft., 31; 5 mi. S, 7,800 ft., 9; 9 mi. SE, 8,000 ft., 6.
+
+_Remarks._--Howell (1914:40) has referred four specimens from Patambán
+to this subspecies, and our large series from the vicinity of
+Pátzcuaro is also referred to _R. m. zacatecae_ because of small size
+and reddish (less blackish) color. We lack typical specimens of _R. m.
+zacatecae_ from the type locality for comparison and our knowledge of
+_zacatecae_ is derived from Howell's (1914:39) description of it.
+
+Average measurements of 5 adult males of _R. m. zacatecae_ from the
+Pátzcuaro area showing much wear on the teeth compared with those of
+five specimens from the Zamora area, of corresponding sex and age of
+_R. m. saturatus_ reveal the smaller size of _R. m. zacatecae_. Total
+length, 157, 166; length of tail, 84, 84; length of hind foot, 19.6,
+20.1; length of ear from notch in flesh, 14.8, 14.0; basilar length,
+16.2, 16.6; length of nasals, 8.3, 8.5; zygomatic breadth, 11.1, 11.5;
+mastoid breadth, 9.9, 10.2; breadth of rostrum, 3.8, 4.0; interorbital
+construction, 3.2, 3.1; alveolar length of maxillary tooth-row, 3.5,
+3.5; length of rostrum, 7.7, 8.0.
+
+
+=Reithrodontomys fulvescens tenuis= Allen
+
+Fulvous Harvest Mouse; Spanish, Ratón Moreno
+
+    _Reithrodontomys tenuis_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       12:15, March 4, 1899, type from Rosario, Sinaloa.
+
+    _Reithrodontomys fulvescens tenuis_, Howell, N. Amer. Fauna,
+       36:45, June 5, 1914.
+
+_Range._--Western part of state.
+
+_Specimens examined_, 27: nos. 100213-100216, 100274-100277,
+100293-100311, distributed by localities as follows: 11 mi. W Zamora,
+5,750 ft., 2; 6-1/2 mi. W Zamora, 5,950 ft., 2; 6 mi. W Zamora, 5,950
+ft., 4; 1-1/2 mi. SSE Tacámbaro, 5,700 ft., 2; 1-3/4 mi. S Tacámbaro,
+5,700 ft., 1; 1 mi. E and 2-1/2 mi. S Tacámbaro, 7; 4 mi. S and 1 mi.
+E Tacámbaro, 4,700 ft., 5; 1 mi. E and 5 mi. S Tacámbaro, 4,000 ft.,
+1; 1 mi. E and 6 mi. S Tacámbaro, 4,000 ft., 3.
+
+_Remarks._--Of the 19 specimens from the vicinity of Tacámbaro, only
+two have the underparts reddish as does _R. f. inexspectatus_. The
+upper parts are less reddish than in _R. f. inexspectatus_ but more
+reddish and less blackish than in _R. f. toltecus_ from the valley of
+México or than in _R. f. toltecus_ from Zamora. The external
+measurements and cranial measurements are less than in _R. f.
+toltecus_ or _R. f. inexspectatus_ and are as small as, or even
+smaller than, those of _R. f. tenuis_ to the northward or than those
+of _R. f. nelsoni_ to the westward. Relying only on printed
+descriptions of _R. f. tenuis_ and _R. f. nelsoni_, we are inclined to
+refer our specimens to _R. f. tenuis_ although the reddish color, we
+suppose, is evidence of intergradation with _R. f. nelsoni_ and _R. f.
+inexspectatus_.
+
+The four skins from Zamora are gray, as opposed to reddish, both above
+and below and in this respect they agree with the description of _R.
+f. tenuis_. They are lighter-colored (grayer) than either _R. f.
+toltecus_ or _R. f. inexspectatus_. The four specimens from Zamora are
+larger than animals from the vicinity of Tacámbaro and average
+slightly smaller than topotypes of _R. f. inexspectatus_.
+
+By identifying our specimens as _R. f. inexspectatus_ and _R. f.
+tenuis_, we are left without any specimens that we, ourselves, have
+examined, which are referable to the subspecies _R. f. toltecus_. The
+specimens from Los Reyes which Howell (1914:47) referred to _R. f.
+toltecus_ have not been seen by us, and we guess, on the criteria used
+by us, that the animals would be referable to _R. f. tenuis_. Because
+Dr. Emmet T. Hooper has a revisionary study of the Mexican
+_Reithrodontomys_ underway, we have not attempted to bring together
+all of the pertinent material from different collections as would be
+required for an ideally thorough analysis of the geographic variation
+in _Reithrodontomys megalotis_ and _Reithrodontomys fulvescens_.
+
+As illustrative of statements made concerning the average size of
+_Reithrodontomys fulvescens_, the following measurements, all of
+specimens with much wear on each of the molar teeth, are recorded.
+
+Table headings:
+ A: Number averaged or catalogue No.
+ B: Sex
+ C: Total length
+ D: Length of tail
+ E: Length of hind foot
+ F: Basilar length
+ G: Length of nasals
+ H: Zygomatic breadth
+ I: Mastoid breadth
+ J: Alveolar length of maxillary tooth-row
+
+ =========================================================================
+  LOCALITY          A     B     C    D    E     F     G    H     I     J
+ -------------------------------------------------------------------------
+ Vall. Mex.         3  [M][M]  200  114  22.0  17.6  9.3  12.0  10.7  3.7
+ Pátzcuaro          5  [M][M]  170  101  20.6  16.7  8.7  11.6  10.6  3.7
+ Zamora        100215     [M]  153   82  19.0  15.9  7.8  10.9  10.3  3.5
+ Zamora        100275     [M]  184  101  21.0  16.5  8.0  11.1  10.4  3.6
+ Tacámbaro          5  [M][M]  159   91  19.4  15.5  8.0  10.5   9.6  3.3
+ Vall. Mex.         3  [F][F]  184  103  21.0  16.6  8.7  11.4  10.6  3.6
+ Pátzcuaro          5  [F][F]  182  104  21.6  16.8  8.6  11.6  10.5  3.6
+ Zamora             5  [F][F]  159   91  19.0  16.0  8.4  11.4  10.0  3.5
+ Tacámbaro          5  [F][F]  149   87  18.6  14.9  7.7  10.4   9.5  3.4
+ -------------------------------------------------------------------------
+ Note: [M] = Male and [F] = Female.
+
+
+=Reithrodontomys fulvescens inexspectatus= Elliot
+
+Fulvous Harvest Mouse; Spanish, Ratón Moreno
+
+    _Rhithrodontomys inexspectatus_ Elliot, Field Columb. Mus.
+       zoöl. ser., 3:145, February, 1903, type from Pátzcuaro,
+       Michoacán.
+
+    _Reithrodontomys fulvescens toltecus_, Howell, N. Amer. Fauna,
+       36:51, June 5, 1914, part.
+
+_Range_.--Central Michoacán; limits of range unknown.
+
+_Specimens examined_, 15: nos. 100278-100292, distributed by
+localities as follows: 3 mi. N Pátzcuaro, 6,800 ft., 6; 3 mi. NW
+Pátzcuaro, 6,700 ft., 3; 2 mi. W Pátzcuaro, 7,600 ft., 2; 2 mi. W
+Pátzcuaro, 7,700 ft., 4.
+
+_Remarks_.--Howell (1914:51) made _R. inexspectatus_ Elliot a synonym
+of _R. f. toltecus_ and perhaps we should follow him in this. The
+facts are that in our large series from the vicinity of Pátzcuaro, the
+upper parts are more reddish than in _R. f. toltecus_ from the valley
+of México, and more reddish than in _R. f. tenuis_ if we correctly
+interpret Howell's (_op. cit._,:45) description of _R. f. tenuis_. In
+the color of the underparts the series is, to us, indistinguishable
+from topotypical _toltecus_ and therefore has more reddish underparts
+than _R. f. tenuis_, as we know _R. f. tenuis_, from Howell's (_loc.
+cit._) description. In size, the series from Pátzcuaro is intermediate
+between _R. f. tenuis_ and _R. f. toltecus_ but nearer the latter.
+
+
+=Reithrodontomys chrysopsis chrysopsis= Merriam
+
+Volcano Harvest Mouse; Spanish, Ratón Dorado
+
+    _Reithrodontomys chrysopsis_ Merriam, Proc. Biol. Soc.
+       Washington, 13:152, June 13, 1900, type from Mount
+       Popocatepetl, México.
+
+    _Reithrodontomys chrysopsis chrysopsis_, Howell, N. Amer.
+       Fauna, 36:66, June 5, 1914.
+
+_Range._--Patambán, 1,200 feet elevation as now known.
+
+_Remarks._--Howell (1914:68) lists nine specimens from Patambán. We
+have not examined these specimens. He listed at the same time seven of
+the specimens from Tancítaro, but we have found specimens from
+Tancítaro to be of another subspecies, _R. c. seclusus_. Accordingly,
+we are in doubt as to whether the mice from Patambán are subspecies
+_chrysopsis_, _seclusus_, or an unnamed subspecies and our use here of
+the name _Reithrodontomys chrysopsis chrysopsis_ for them is, of
+course, provisional.
+
+
+=Reithrodontomys chrysopsis seclusus= Hall and Villa
+
+Volcano Harvest Mouse; Spanish, Ratón Dorado
+
+    _Reithrodontomys chrysopsis seclusus_ Hall and Villa, Proc.
+       Biol. Soc. Washington, 62: 163, August 23, 1949, type from
+       Mount Tancítaro, 7,800 ft., Michoacán.
+
+    _Reithrodontomys chrysopsis chrysopsis_, Howell, N. Amer.
+       Fauna, 36:66, June 5, 1914, part.
+
+_Range._--Known only from Mount Tancítaro, from 6,000 feet elevation
+up to at least 11,000 feet.
+
+_Specimens examined_, 22: nos. 51407-51411, 52110-52126, all from
+Mount Tancítaro, distributed by altitude as follows: 6,000 ft., 5;
+7,800 ft., 10; 10,500 ft., 1; 11,000 ft., 1; no altitude recorded, 5.
+
+_Remarks._--The 22 specimens in the Chicago Natural History Museum are
+remarkably uniform in color in spite of differences in age; 17 are so
+young as to have the first upper molar only slightly worn and 5 are
+adults. In preparing the original description of _R. c. seclusus_,
+known only from specimens in the summer pelage, comparison of color
+was made with only the winter pelage of _R. c. chrysopsis_ and it was
+pointed out that the differences noted in color between the two
+subspecies might be seasonal rather than subspecific. A summer
+specimen of _R. c. chrysopsis_ (K. U. 17980, taken on June 15, 12 km.
+ESE Amecameca, 11,500 ft.), is available as the present account is
+being written. In direct comparison with the original material of _R.
+c. seclusus_, all in summer pelage, and in comparison with a specimen
+of _R. c. chrysopsis_ in winter pelage (January 18), from 30 km. E
+Amecameca, the summer pelage of no. 17980 is more blackish than the
+winter pelage and therein more closely resembles that of _R. c.
+seclusus_. The same is true of the more sparsely haired tail. The
+ears, however, are blackish as in winter-taken _R. c. chrysopsis_.
+This feature and also the large size and different cranial proportions
+of specimen no. 17980 are in accordance with the differences between
+_R. c. chrysopsis_ and _R. c. seclusus_ as recorded in the original
+description of the latter.
+
+
+=Baiomys taylori analogus= (Osgood)
+
+Northern Pygmy Mouse; Spanish, Ratón Pigmeo Norteño
+
+    _Peromyscus taylori analogus_ Osgood, N. Amer. Fauna, 28:256,
+       April 17, 1909, type from Zamora, Michoacán.
+
+    _Baiomys taylori analogus_, Miller, N. Amer. Land. Mamm.,
+       1911, p. 137, December 31, 1912.
+
+_Range._--Northwestern part of state.
+
+_Specimens examined_, 35: nos. 100331-100365, distributed by
+localities as follows: 8 mi. N Zamora, 5,500 ft., 2; 11 mi. W Zamora,
+5,750 ft., 1; 6-1/2 mi. W Zamora, 5,950 ft., 2; 4 mi. W Zamora, 5,450
+ft., 1; 3 mi. NW Pátzcuaro, 6,700 ft., 21; 3 mi. N Pátzcuaro, 6,800
+ft., 5; 2 mi. W Pátzcuaro, 6,700 ft., 3.
+
+_Remarks._--Osgood (1909:257) has recorded this subspecies also from
+Acámbaro and Los Reyes. We found that these animals got caught in our
+traps almost as often in the daytime as at night and concluded that
+they were less nocturnal, or at any rate more diurnal, than any of the
+other cricetine mice at the places in Michoacán where we trapped.
+
+
+=Baiomys musculus musculus= (Merriam)
+
+Tropical Pygmy Mouse; Spanish, Ratón Pigmeo Tropical
+
+    _Sitomys musculus_ Merriam, Proc. Biol. Soc. Washington,
+       7:170, September 29, 1892, type from Colima, Colima.
+
+    _Peromyscus musculus_, Allen and Chapman, Bull. Amer. Mus.
+       Nat. Hist., 9:203, June 16, 1897.
+
+    _Baiomys musculus_, Mearns, U. S. Nat. Mus. Bull., 56:381,
+       April 13, 1907.
+
+_Range._--Dry, tropical, southwestern parts of state.
+
+_Specimens examined_, 41: nos. 100366-100406; distributed by
+localities as follows: 1-3/4 mi. S Tacámbaro, 5,700 ft., 1; 1 mi. E
+and 2-1/2 mi. S Tacámbaro, 4,700 ft., 11; 4 mi. S and 1 mi. E
+Tacámbaro, 10; 1 mi. E and 5 mi. S Tacámbaro, 4,000 ft., 1; 6 mi. S
+Tacámbaro, 4,000 ft., 4; 1 mi. E and 6 mi. S Tacámbaro, 4,000 ft., 14.
+
+_Remarks._--Osgood (1909:258) has recorded this subspecies also from
+La Huacana and La Salada. Three adult males with much worn teeth
+weigh, in grams, 8.3, 9.3, and 10.8. Weights of three adult,
+nonpregnant, females are 8.1, 9.4, and 9.7. None of our 13 females was
+pregnant.
+
+
+=Peromyscus maniculatus labecula= Elliot
+
+Deermouse; Spanish, Ratón Cuatralvo
+
+    _Peromyscus labecula_ Elliot, Field Columb. Mus., zoöl. ser.,
+       3:143, February (March?), 1903, type from Ocotlan, Jalisco.
+
+    _P[eromyscus]. s[onoriensis]. labecula_, Osgood, Proc. Biol.
+       Soc. Washington, 17:57, March 21, 1904.
+
+_Range._--Northwestern part of state.
+
+_Specimens examined_, 59: nos. 51402-51406, 52175, 52176,
+100407-100447, 100484; and 1366-1368, 1370-1372, 1374-1377, of
+Bernardo Villa R., distributed by localities as follows: Tancítaro, 7;
+11 mi. W Zamora, 5,750 ft., 3; 2 mi. W Pátzcuaro, 7,700 ft., 4; 3-1/2
+mi. S Pátzcuaro, 7,800 ft., 2; 4 mi. S Pátzcuaro, 7,800 ft., 3; 5 mi.
+S Pátzcuaro, 7,800 ft., 24; 9 mi. SE Pátzcuaro, 8,000 ft., 6; 1-1/2
+km. N San Juan, 2,250 M., 3; 1 km. NNE San Juan, 2,250 M., 7.
+
+_Remarks._--The zygomatic arches are less widely flaring in specimens
+from Tancítaro than in those from Pátzcuaro.
+
+
+=Peromyscus perfulvus= Osgood
+
+Marsh Mouse; Spanish, Ratón Breñero
+
+    _Peromyscus perfulvus_ Osgood, Jour. Mamm., 26:299, November
+       14, 1945, type from 10 kilometers west of Apatzingan,
+       1,040 ft., Michoacán.
+
+_Range._--Known only from the semitropical Life-zone in western
+Michoacán.
+
+_Specimens examined_, 5: nos. 100593, 100595, 100597, 100598, and
+100600, all from 1 mi. E and 6 mi. S Tacámbaro, 4,000 ft.
+
+_Remarks._--J. R. Alcorn took these specimens between fields of sugar
+cane in tall (5 ft. high) grass growing in a belt 10 feet or so wide
+along side a stream, which a person could step across. The one adult,
+no. 100597, was recognized at the time of capture as different from
+any other species known to us, by reason of the long, unicolored,
+sparsely-haired tail and nearly clear Cinnamon Rufous color above,
+white underparts, white feet, and dark brown ears. The four other
+specimens in darker immature pelage are plumbeous and cinnamon whereas
+immature individuals of comparable age of _Peromyscus banderanus_
+caught in the same place are plumbeous above and lack the cinnamon
+color. The immature animals of the two species differ in color more
+than do the adults. Osgood (1945:300) has recorded eleven specimens
+from the type locality. Our one adult weighs 52.4 grams.
+
+
+=Peromyscus boylii evides= Osgood
+
+Brush Mouse; Spanish, Ratón de Chaparral
+
+    _Peromyscus spicilegus evides_ Osgood, Proc. Biol. Soc.
+       Washington, 17:64, March 21, 1904, type from Juquila, Oaxaca.
+
+    _Peromyscus boylei evides_ Osgood, N. Amer. Fauna, 28:152,
+       April 17, 1909.
+
+_Range._--Northern part of state.
+
+_Specimens examined_, 22: nos. 100450-100471, distributed by
+localities as follows: 1-1/2 mi. SSE Tacámbaro, 5,700 ft., 16; 1-3/4
+mi S Tacámbaro, 5,700 ft., 1; 1 mi. E and 2-1/2 mi. S Tacámbaro, 4,700
+ft., 5.
+
+_Remarks._--Osgood (1909:153) recorded 31 specimens from Los Reyes.
+Weights recorded by the collectors of our specimens for 13 males from
+the vicinity of Tacámbaro, are 24.8 (17.2-37.1) and for 9 females 25.0
+(20.0-31.5) grams. These weights include those of subadults as well as
+those of adults.
+
+
+=Peromyscus boylii levipes= Merriam
+
+Brash Mouse; Spanish, Ratón de Chaparral
+
+    _Peromyscus levipes_ Merriam, Proc. Biol. Soc. Washington,
+       12:123, April 30, 1898, type from Mount Malinche, Tlaxcala.
+
+    _Peromyscus boylei levipes_, Osgood, N. Amer. Fauna, 28:153,
+       April 17, 1909.
+
+_Range._--Probably central-eastern part of state.
+
+_Remarks._--Osgood (1909:155) records one specimen of this subspecies
+from Pátzcuaro.
+
+
+=Peromyscus hylocetes= Merriam
+
+Woods Mouse; Spanish, Ratón Ocotero
+
+    _Peromyscus hylocetes_ Merriam, Proc. Biol. Soc. Washington,
+       12:124, April 30, 1898, type from Pátzcuaro, 7,000 feet,
+       Michoacán; Osgood, N. Amer. Fauna, 28:159, pl. 3, fig. 8,
+       April 17, 1909.
+
+_Range._--Mountainous parts of state.
+
+_Specimens examined_, 24: nos. 100472, 100542, both from 9 mi. SE
+Pátzcuaro at 8,000 feet altitude; 1358-1365 of Bernardo Villa R., from
+Cerro Curitzarán, 3.5 km. NNW San Juan, 2,200 M.; 52178, 52185,
+52187-52192, 52197, 52198, 52203, 52213-52215, from Tancítaro at
+elevations of 6,000 to 10,000 ft.
+
+_Remarks._--All of the specimens were taken in pine forest. The old
+male from nine miles southeast of Pátzcuaro weighs 43.7 grams and the
+younger male from there 35 grams. The adults from Tancítaro have
+longer diastemae and some have the braincase more prolonged
+posteriorly, than in specimens from the vicinities of San Juan and
+Pátzcuaro but individual variation is considerable and we are unable
+to differentiate some of the adults from Tancítaro from those from
+elsewhere.
+
+
+=Peromyscus truei gratus= Merriam
+
+Piñon Mouse; Spanish, Ratón Piñonero
+
+    _Peromyscus gratus_ Merriam, Proc. Biol. Soc. Washington,
+       12:123, April 30, 1898, type from "Tlalpam," D. F.
+
+    _Peromyscus sagax_ Elliot, Field Columb. Mus., Chicago, zoöl.
+       ser., 3:142, February, 1903, type from La Palma, Michoacán.
+
+    _Peromyscus pavidus_ Elliot, Field Columb. Mus., Chicago,
+       zoöl. ser., 3:142, February, 1903, type from Pátzcuaro,
+       Michoacán.
+
+    _Peromyscus zelotes_ Osgood, Proc. Biol. Soc. Washington,
+       17:67, March 21, 1904, type from Queréndaro, Michoacán.
+
+    _Peromyscus truei gratus_, Osgood, N. Amer. Fauna, 28:173,
+       April 17, 1909.
+
+_Range._--Northern part of state.
+
+_Specimens examined_, 42: nos. 100448, 100473-100483, 100485-100509,
+8700, 8702, 8703, 8896, 8897, distributed by localities as follows: 8
+mi. N Zamora, 5,500 ft., 2; 11 mi. W Zamora, 5,750 ft., 11; 6-1/2 mi.
+W Zamora, 5,950 ft., 4; 6 mi. W Zamora, 5,950 ft., 4; Rio Duaro, 9 mi.
+E Zamora, 5,500 ft., 1; 3 mi. N Pátzcuaro, 6,800 ft., 1; 3 mi. NW
+Pátzcuaro, 6,700 ft., 10; 1-1/2 mi. NW Pátzcuaro, 6,700 ft., 1; 2 mi.
+W Pátzcuaro, 6,700 ft., 3; Pátzcuaro (Chicago Nat. Hist. Mus.), 5.
+
+_Remarks._--The ear measured from the notch is shortest, 19 (18-21),
+at Zamora, intermediate, 21 (19-23), at Pátzcuaro, and longest, 21.8
+(20-23), at the type locality of _gratus_ in the Valley of México.
+
+
+=Peromyscus melanophrys zamorae= Osgood
+
+Blackish Mouse; Spanish, Ratón Obscuro
+
+    _Peromyscus melanophrys zamorae_ Osgood, Proc. Biol. Soc.
+       Washington, 17:65, March 21, 1904, type from Zamora,
+       Michoacán; N. Amer. Fauna, 28:187, April 17, 1909.
+
+_Range._--Northern part of state.
+
+_Remarks._--Insofar as we know, this mouse has been taken in Michoacán
+only at the type locality.
+
+
+=Peromyscus banderanus banderanus= Allen
+
+Tarascan Mouse; Spanish, Ratón Tarasco
+
+    _Peromyscus banderanus_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       9:51, March 15, 1897, type from Valle de Banderas, Nayarit;
+       Osgood, Jour. Mamm., 26:300, November 14, 1945.
+
+    _Peromyscus banderanus vicinior_ Osgood, N. Amer. Fauna,
+       28:209, 210, April 17, 1909, part.
+
+_Range._--Northern and eastern parts of state.
+
+_Remarks._--Specimens from Los Reyes referred to the subspecies _P. b.
+vicinior_ by Osgood (1909:209-210) were later characterized by Osgood
+(1945:300) as agreeing with specimens from Zitácuaro, and Osgood
+(_loc. cit._) thought that those from both Los Reyes and Zitácuaro
+were not _P. b. vicinior_ but possibly _P. b. banderanus_. He had this
+material set aside for further study when he showed it to one of us
+(Hall) in 1945. It was his intention to revise the entire species (_P.
+banderanus_) but so far we know never did this before his death.
+
+
+=Peromyscus banderanus vicinior= Osgood
+
+Tarascan Mouse; Spanish, Ratón Tarasco
+
+    _Peromyscus banderanus vicinior_ Osgood, Proc. Biol. Soc.
+       Washington, 17:68, March 21, 1904, type from La Salada,
+       Michoacán.
+
+_Range._--Hot valleys of western part of state.
+
+_Specimens examined_, 53: nos. 100543-100592, 100594, 100596, 100599,
+distributed by localities, from Tacámbaro, as follows: 2-1/2 mi. S and
+1 mi. E, 4,700 ft., 21; 4 mi. S and 1 mi E, 4,500 ft., 10; 6 mi. S,
+4,000 ft., 6; 6 mi. S and 1 mi. E, 4,000 ft., 16.
+
+_Remarks._--There is much variation in size in our animals. The three
+largest males weigh, in grams, 67.5, 50.3, 48.9 and corresponding
+figures for the two heaviest, nonpregnant, females are 53.5 and 48.3
+grams. Of the 14 adult females, only one was recorded as having
+embryos; it had two embryos each 24 millimeters in crown to rump
+length. Where we trapped among big boulders and among the roots of
+trees of the genus _Ficus_, _Peromyscus banderanus vicinior_ was the
+only species of the genus taken. _Peromyscus boylii evides_ occurred
+in the less tropical vegetation, altitudinally and zonally above _P.
+b. vicinior_.
+
+
+=Peromyscus melanotis= Allen and Chapman
+
+Black-eared Deermouse; Spanish, Ratón Montañero
+
+    _Peromyscus melanotis_ Allen and Chapman, Bull. Amer. Mus.
+       Nat. Hist., 9:203, June 16, 1897, type from Las Vigas,
+       8,000 ft., Veracruz.
+
+_Range._--Higher mountains throughout state.
+
+_Specimens examined_, 33: nos. 51397-51401, 52142-52166, 52172-52174,
+from Tancítaro.
+
+_Remarks._--The elevation recorded on the label of one specimen is
+9,000 feet and on the labels of other specimens is no lower than
+10,500 feet and on some is as high as 12,000 feet. The elevation of
+capture is not recorded for two specimens. Osgood (1909:112)
+previously recorded the species from 12,000 feet elevation on Mount
+Tancítaro.
+
+
+=Oryzomys couesi regillus= Goldman
+
+Tropical Rice Rat; Spanish, Rata Arrocera Tropical; Tarascan word for
+rat is Jeyáquihuiri (Hayakewire), or Sarisi
+
+    _Oryzomys couesi regillus_ Goldman, Proc. Biol. Soc.
+       Washington, 28:129, June 29, 1915, type from Los Reyes,
+       Michoacán; Goldman, N. Amer. Fauna, 43:37, September 23, 1918.
+
+_Range._--Plateau region of Northeast Michoacán.
+
+_Specimens examined_, 22: nos. 100601-100622, distributed by
+localities as follows: 1 mi. N Zamora, 5,450 ft., 2; 4 mi. W Zamora,
+5,450 ft., 1; 4 mi. S Pátzcuaro, 7,800 ft., 1; 1 mi. E and 6 mi. S
+Tacámbaro, 4,000 ft., 18.
+
+_Remarks._--The tooth-row is longest in the specimens from Zamora,
+shortest in those from Tacámbaro and intermediate in length in the one
+specimen from Pátzcuaro. The shorter tooth-row at the lower elevation
+(Tacámbaro), we interpret as intergradation with _Oryzomys couesi
+mexicanus_. In color the specimens from Tacámbaro are, to us,
+indistinguishable from those from Zamora and Pátzcuaro but the color
+is notably darker than that of specimens from the vicinity of
+Apatzingan which are here referred to the subspecies _Oryzomys couesi
+mexicanus_. The largest male, fully adult from Zamora weighs 82.9
+grams and the largest one from the vicinity of Tacámbaro weighs 73.6
+grams.
+
+
+=Oryzomys couesi mexicanus= Allen
+
+Tropical Rice Rat; Spanish, Rata Arrocera Tropical
+
+    _Oryzomys mexicanus_ Allen, Bull. Amer. Mus. Nat. Hist., 9:52,
+       March 15, 1897, type from Hacienda San Marcos, 3,500 ft.,
+       Tonila, Jalisco.
+
+    _Oryzomys couesi mexicanus_, Goldman, N. Amer. Fauna, 43:33,
+    September 23, 1918.
+
+_Range._--Semitropical and tropical western part of the state.
+
+_Specimens examined_, 14: nos. 52018-52023, 52063-52070, from 1,040
+ft., 10 kms., W Apatzingan.
+
+_Remarks._--These specimens are notably paler and have shorter
+tooth-rows than those referred to _O. c. regillus_.
+
+
+=Oryzomys fulvescens lenis= Goldman
+
+Fulvous Rice Rat; Spanish, Rata Arrocera Pigmea
+
+    _Oryzomys fulvescens lenis_ Goldman, Proc. Biol. Soc.
+       Washington, 28:130, June 29, 1915, type from Los Reyes,
+       Michoacán; N. Amer. Fauna, 43:91, September 23, 1918.
+
+_Range._--Semitropical parts of state.
+
+_Remarks._--The type and one topotype so far as we know are the only
+specimens of this species to have been obtained from the state. The
+size is hardly larger than that of a large _Reithrodontomys_.
+
+
+=Sigmodon melanotis= Bailey
+
+Fulvous Cotton Rat; Spanish, Rata Algodonera Leonada
+
+    _Sigmodon melanotis_ Bailey, Proc. Biol. Soc. Washington,
+       15:114, June 2, 1902, type from Pátzcuaro, 7,000 ft.,
+       Michoacán.
+
+_Range._--Central Michoacán, as now known.
+
+_Specimens examined_, 8: nos. 100623-100626, 52089-52092, distributed
+by localities as follows: 2 mi. W Pátzcuaro (7,400 and 7,700 ft.), 2;
+3-1/2 mi. S Pátzcuaro, 7,800 ft., 2; Tancítaro, 6,000 ft., 4.
+
+_Remarks._--This species was taken along with the species _S.
+hispidus_ two miles west of Pátzcuaro, and can be easily distinguished
+from the latter by the dark reddish as opposed to grayish color of the
+upperparts and by the shorter hind foot (less instead of more than
+32.5 mm.).
+
+
+=Sigmodon hispidus mascotensis= Allen
+
+Hispid Cotton Rat; Spanish, Rata Algodonera Setosa
+
+    _Sigmodon mascotensis_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       9:54, March 15, 1897, type from San Sebastián, near Mascota,
+       Jalisco.
+
+    _Sigmodon hispidus mascotensis_, Bailey, Proc. Biol. Soc.
+       Washington, 15:108, June 2, 1902.
+
+_Range._--Larger part of state.
+
+_Specimens examined_, 4: nos. 100629, 3 mi. N Pátzcuaro, 6,700 ft.;
+100630, 2 mi. W Pátzcuaro, 7,700 ft.; 100632, 1-3/4 mi. S Tacámbaro,
+5,700 ft.; 100631, 6 mi. S and 1 mi. E Tacámbaro, 4,000 ft.
+
+_Remarks._--Bailey (1902:109) records a "very large" specimen from
+Queréndaro. Our specimens have shorter molariform tooth-rows than do
+those from nearer the type locality, for example, those from Tuxpan,
+Las Canoas, and Artenkiki, all three places in Jalisco.
+
+
+=Sigmodon hispidus atratus= Hall
+
+Hispid Cotton Rat; Spanish, Rata Algodonera Setosa
+
+    _Sigmodon hispidus atratus_ Hall, Proc. Biol. Soc. Washington,
+       62:149, August 23, 1949, type from 6-1/2 mi. W Zamora,
+       5,950 ft., Michoacán.
+
+_Range._--Known only from Zamora and the type locality.
+
+_Specimens examined_, 2: nos. 100628 (the holotype), 6-1/2 mi. W
+Zamora, 5,950 ft.; 120268 (U. S. Nat. Mus., Biol. Surveys Coll.),
+Zamora.
+
+_Remarks._--When the present account first was prepared our specimen
+from six and a half miles west of Zamora was tentatively referred to
+_S. h. mascotensis_. Subsequently a second specimen, from Zamora, was
+found. It agreed with the specimen from six and a half miles west of
+Zamora. Inasmuch as the second specimen agrees with the first and
+since each of the two differs from any previously described kind, a
+name and description were published in time to be inserted in the
+present account. From _S. h. mascotensis_, _S. h. atratus_ differs in
+shorter hind foot, darker upper parts, more densely haired tail,
+shorter skull, more convex dorsal longitudinal outline of skull,
+posteriorly constricted anterior palatine foramina instead of
+parallel-sided foramina, and shorter and less decurved anterior
+process of maxillary arm of zygoma.
+
+
+=Neotomodon alstoni alstoni= Merriam
+
+Volcano Mouse; Spanish, Ratón de Los Volcanes
+
+    _Neotomodon alstoni_ Merriam, Proc. Biol. Soc. Washington,
+       12:128, April 30, 1898, type from Nahuatzin, 8,500 ft.,
+       Michoacán.
+
+_Range._--Higher mountains of state.
+
+_Specimens examined_, 22: nos. 52179-52184, 52186, 52193-52196, 52199,
+52200, 52204-52212, all from Mount Tancítaro, distributed by
+localities as follows: 7,800 ft., 5; 7,850 ft., 3; 10,000 ft., 4;
+10,200 ft., 5; 10,500 ft., 1; 10,800 ft., 1; 11,000 ft., 2; 11,400
+ft., 1.
+
+_Remarks._--The taking of specimens on Mount Tancítaro extends the
+known geographic range of _Neotomodon_ approximately 75 kilometers to
+the southwestward; the westernmost locality previously known was
+Nahuatzin, the type locality.
+
+
+=Nelsonia goldmani= Merriam
+
+Dwarf Wood Rat; Spanish, Rata Montera Minúscula
+
+    _Nelsonia goldmani_ Merriam, Proc. Biol. Soc. Washington,
+       16:80, May 29, 1903, type from Mount Tancítaro, Michoacán.
+
+_Range._--Known only from the type locality.
+
+_Remarks._--In the original description three specimens are recorded
+from the type locality.
+
+
+=Neotoma latifrons= Merriam
+
+White-throated Wood Rat; Spanish, Rata Montera Frentuda
+
+    _Neotoma latifrons_ Merriam, Proc. Biol. Soc. Washington,
+       9:121, July 2, 1894, type from Queréndaro, Michoacán.
+
+_Range._--Known only from the type locality.
+
+
+=Neotoma ferruginea tenuicauda= Merriam
+
+Ferruginous Wood Rat; Spanish, Rata Ferruginosa
+
+    _Neotoma tenuicauda_ Merriam, Proc. Biol. Soc. Washington,
+       7:169, September 29, 1892, type from north slope of Sierra
+       Nevada de Colima, 12,000 ft., Colima.
+
+    _Neotoma ferruginea tenuicauda_, Howell, N. Amer. Fauna,
+       31:73, October 19, 1910.
+
+_Range._--Probably all but southern tropical part of state.
+
+_Specimens examined_, 4: nos. 100633 from 9 mi. SE Pátzcuaro,
+8,000 ft., and 52177, 51390, 51391, from Tancítaro, the
+elevation being given as 7,850 ft. on no. 52177.
+
+_Remarks._--Our one specimen from 9 miles southeast of Pátzcuaro was
+caught in a small steel trap set at a meat bait.
+
+
+=Microtus mexicanus salvus= Hall
+
+Mexican Meadow Mouse; Spanish, Metorito
+
+    _Microtus mexicanus salvus_ Hall, Univ. Kansas Publ., Mus.
+       Nat. Hist., 1:426, December 24, 1948, type from Mount
+       Tancítaro, 11,400 ft., Michoacán.
+
+_Range._--Known only from Mount Tancítaro at elevations of 7,800 to
+11,400 feet.
+
+_Specimens examined_, 14: nos. 51412, 51413, 52093, 52095-52099, 52101,
+52103-52107, all from Mount Tancítaro, distributed by elevations as
+follows: 11,400 ft., 8; 11,000 ft., 2; 7,800 ft., 1; no elevation
+recorded, 3.
+
+
+=Microtus mexicanus fundatus= Hall
+
+Mexican Meadow Mouse; Spanish, Metorito
+
+    _Microtus mexicanus fundatus_ Hall, Univ. Kansas Publ., Mus.
+       Nat. Hist., 1:425, December 24, 1948, type from 3-1/2 mi. S.
+       Pátzcuaro, 7,900 ft., Michoacán.
+
+_Range._--Central part of state.
+
+_Specimens examined_, 59: nos. 100636-100694, distributed, with
+reference to the town of Pátzcuaro, as follows: 3-1/2 mi. S, 7,900 ft.,
+9; 4 mi. S, 7,800 ft., 16; 5 mi. S, 7,800 ft., 26; 9 mi. SE, 8,000 ft., 8.
+
+_Remarks._--Of the 23 females, only one was pregnant. It had two
+embryos. Average and extreme weights of ten adults of each sex, are:
+males, 37.8 (31.5-48.2); females, 38.0 (31.0-48.6) grams. Our
+specimens were trapped in well-defined runways beneath a rail fence
+where there was a growth of grass sufficient to make a cover for the
+runways. Bailey (1900:54-55) has recorded under the name _Microtus
+mexicanus phaeus_ specimens from Nahuatzin which may be referable to
+the subspecies _M. m. fundatus_.
+
+
+=Mus musculus= subsp.?
+
+House Mouse; Spanish, Ratón Casero
+
+    _Mus musculus_ Linnaeus, Systema Naturae, ed. 10, 1:62, 1758,
+       type from Upsala, Sweden.
+
+_Range._--Probably throughout state.
+
+_Specimens examined_, 4: nos. 100696-100699, of which one is from
+Tacámbaro, 5,700 ft., and 3 are from 4 mi. S and 1 mi. E Tacámbaro,
+4,500 ft.
+
+_Remarks._--In each of our specimens the belly is dark, approximately
+as dark as the back. The specimens caught by us were living in the
+wild; that is to say, they were not caught in and around buildings.
+Elliot (1903:141) records the species from Pátzcuaro.
+
+
+=Rattus rattus alexandrinus= (Geoffroy)
+
+Black Rat; Spanish, Rata Negra
+
+    _Mus alexandrinus_ Geoffroy, Catal. Mammif. du Mus. Nat.
+       d'Hist., Paris, p. 192, 1803, type from Alexandria, Egypt.
+
+    _R_[_attus_]. _rattus alexandrinus_, Hinton, Jour. Bombay Nat.
+       Hist. Soc., 26:63, December 20, 1918.
+
+_Range._--Probably throughout tropical and subtropical parts of state;
+recorded also from Pátzcuaro.
+
+_Specimens examined_, 3: nos. 52027, 52033 from Tancítaro and 8909 from
+Pátzcuaro.
+
+_Remarks._--These specimens answer well to the description of _R. r.
+alexandrinus_ except that no. 8909, taken in May, 1901, by F. E. Lutz,
+has yellowish underparts suggestive of _Rattus rattus frugivorous_. In
+the town of Tacámbaro we saw a freshly killed rat of this species
+which was all black.
+
+
+=Sylvilagus floridanus subcinctus= (Miller)
+
+Florida Cottontail; Spanish, Conejo de Florida
+
+    _Lepus floridanus subcinctus_ Miller, Proc. Acad, Nat. Sci.
+       Philadelphia, p. 386, October 5, 1899, type from Hacienda El
+       Molino, Negrete, Michoacán.
+
+    _Sylvilagus floridanus subcinctus_, Lyon, Smiths. Misc. Coll.,
+       45:336, June 15, 1904; Nelson, N. Amer. Fauna, 29:180, August
+       31, 1909.
+
+_Range._--Northeastern part of state.
+
+_Remarks._--Nelson (1909:181) records specimens from Acámbaro,
+Queréndaro and the type locality.
+
+
+=Sylvilagus floridanus restrictus= Nelson
+
+Florida Cottontail; Spanish, Conejo de Florida
+
+    _Sylvilagus floridanus restrictus_ Nelson, Proc. Biol. Soc.
+       Washington, 20:82, July 22,1907, type from Zapotlán, Jalisco;
+       Nelson, N. Amer. Fauna, 29:181, August 31, 1909.
+
+_Range._--Forested areas of non-tropical part of state except
+northeastern part.
+
+_Remarks._--Nelson (1909:183) records specimens from Los Reyes,
+Pátzcuaro and Mount Tancítaro. This species and the Mexican cottontail
+are favorite small game for the rural peoples.
+
+
+=Sylvilagus cunicularis cunicularis= (Waterhouse)
+
+Mexican Cottontail; Spanish, Conejo Méxicano
+
+    _Lepus cunicularis_ Waterhouse, Nat. Hist. Mammalia, 2:132,
+       1848, type from Zacualpan (probably in state of México).
+
+    _Sylvilagus cunicularis_, Nelson, N. Amer. Fauna, 29:239,
+       August 31, 1909.
+
+_Range._--Probably all of state except tropical coastal areas where
+another subspecies of the same species probably will be found to occur.
+
+_Specimens examined_, 2: nos. 51965, 51966, from Tancítaro, one specimen
+labeled as taken at 6,000 feet altitude.
+
+_Remarks._--Nelson (1909:241) has recorded this rabbit also from
+Pátzcuaro.
+
+
+=Lepus callotis= Wagler
+
+White-sided Jack Rabbit; Spanish, Liebre
+
+    _Lepus callotis_ Wagler, Naturliches System der Amphibien, p.
+       23, 1830, type from southern end of Mexican Tableland; Nelson,
+       N. Amer. Fauna, 29:122, August 31, 1909.
+
+_Range._--Approximately northeastern half of state.
+
+_Remarks._--Nelson (1909:124) records specimens from Los Reyes and
+Queréndaro; we did not see any animals of this species in our own
+field work.
+
+
+=Tayassu angulatus humeralis= Merriam
+
+Collared Peccary; Spanish, Jabalí del Collar; Tarascan, cúchjerámba
+(cucheramba) or Juáteanapu (whatalanapu)
+
+    _Tayassu angulatus humeralis_ Merriam, Proc. Biol. Soc.
+       Washington, 14:122, July 19, 1901, type from Armería, Colima.
+
+_Range._--Approximately southwestern half of state.
+
+_Remarks._--Under date of October 11, 1948, Henry W. Setzer (_in
+litt._) states that four specimens of this species, in the Biological
+Surveys Collection in the United States National Museum, were taken at
+La Salada, by Nelson and Goldman, and bear catalogue numbers 126156,
+126157, 126158 and 126159. No. 126158 is a female taken on March 19,
+1903. The other three specimens are males taken on March 17, 1903. We
+did not see any animals of this species in our own field work, and the
+only materials from Michoacán actually examined by one of us (Hall)
+are the skulls of nos. 126156 and 126158, referred to above, from the
+Biological Surveys Collection.
+
+
+=Odocoileus virginianus sinaloae= Allen
+
+White-tailed Deer; Spanish, Venado Cola Blanca; Tarascan, Asúni (Ashumi)
+
+    _Odocoileus sinaloae_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       19:613, November 14, 1903, type from. Esquinapa, Sinaloa.
+
+_Range._--Probably statewide.
+
+_Remarks._--Through the courtesy of Dr. A. Remington Kellogg we learn
+that in a manuscript on the deer of the _Odocoileus virginianus_
+group, he and the late Major E. A. Goldman had recorded specimens, in
+the Biological Surveys Collection of the United States National
+Museum, as follows: Nahuatzin, 8,500 ft., nos. 35924/48232, and
+35925/48233; Los Reyes, 5,000 ft., no. 165673; Pátzcuaro, 7,000 ft.,
+no. 35535/47819; and Uruapan, 4,500 ft., no. 13060. We have not
+anywhere seen the name combination _Odocoileus virginianus sinaloae_
+but from the original description we judge that _Odocoileus sinaloae_
+is to be arranged as a geographic race of the wide-ranging species
+_Odocoileus virginianus_ as that species is now understood.
+
+
+=Dasypus novemcinctus mexicanus= Peters
+
+Nine-banded Armadillo; Spanish, Armadillo; Tarascan, Isíngu (Esingŏ)
+
+    _Dasypus novemcinctus mexicanus_ Peters, Monatsber. k. preuss.
+       Akad. Wissensch. Berlin, p. 180, 1864 (name restricted by
+       Bailey, N. Amer. Fauna, 25:52, October 24, 1905, to the
+       subspecies occurring at Colima).
+
+_Range._--Probably statewide.
+
+_Specimens examined_, 2; nos. 51392 from Tancítaro and 51964 from
+Apatzingan, 1,040 ft.
+
+_Remarks._--The female from Tancítaro is immature as indicated by the
+wide-open sutures between the bones of the skull which in over-all
+length is only 72.8 mm. The male from Tancítaro is older and the
+over-all length of the skull is 98.33 mm. Geographic considerations
+alone are responsible for our use of the subspecific name _mexicanus_;
+we do not know the morphological features which distinguish
+_mexicanus_ from other named subspecies.
+
+
+
+
+LITERATURE CITED
+
+
+ANDERSEN, K.
+
+    1908. A monograph of the Chiropteran genera, _Uroderma_,
+          _Enchisthenes_, and _Artibeus_. Proc. Zoöl. Soc. London,
+          for 1908:204-319, text figs. 40-58.
+
+
+ALLEN, G. M.
+
+    1916. Bats of the genus Corynorhinus. Bull. Mus. Comp. Zoöl.,
+          Harvard College, 60:333-356, 1 pl., April, 1916.
+
+
+BAILEY, V.
+
+    1900. Revision of American voles of the genus Microtus. N. Amer.
+          Fauna, 17:1-88, 5 pls., 17 figs. in text, June 6, 1900.
+
+    1902. Synopsis of the North American Species of _Sigmodon_. Proc.
+          Biol. Soc. Washington, 15:101-116, June 2, 1902.
+
+
+BENSON, S. B.
+
+    1947. Description of a mastiff bat (genus _Eumops_) from Sonora,
+          Mexico. Proc. Biol. Soc. Washington, 60:133-134, December 31,
+          1947.
+
+
+DAVIS, W. B.
+
+    1944. Notes on Mexican mammals. Jour. Mamm., 25:370-403, 1 fig. in
+          text, December 12, 1944.
+
+
+ELLIOT, D. G.
+
+    1903. A list of a collection of Mexican mammals with descriptions
+          of some apparently new forms. Field Columb. Mus. Pub. No. 71,
+          zoöl. ser., 3(no. 8):141-149, February, 1903.
+
+
+GOLDMAN, E. A.
+
+    1911. Revision of the spiny pocket mice (genera Heteromys and
+          Liomys) N. Amer. Fauna, 34:1-70, 3 pls. 6 figs. in text,
+          September 7, 1911.
+
+    1938. List of the gray foxes of Mexico. Jour. Washington Acad.
+          Sci., 28:494-498, November 15, 1938.
+
+    1942. Notes on the coatis of the Mexican mainland. Proc. Biol.
+          Soc. Washington, 55:79-82, June 25, 1942.
+
+
+HALL, E. R.
+
+    1948. Two new meadow mice from Michoacán, Mexico. Univ. Kansas
+          Publ. Mus. Nat. Hist., 1:423-427, 6 figs. in text, December
+          24, 1948.
+
+    1949. A new subspecies of cotton rat, Sigmodon hispidus, from
+          Michoacán, Mexico. Proc. Biol. Soc. Washington, 62:149-150,
+          3 figs. in text, August, 23,1949.
+
+
+HALL, E. R., and VILLA-R., B.
+
+    1948. A new pocket gopher (Thomomys) and a new spiny pocket
+          mouse (Liomys) from Michoacán, México. Univ. Kansas Publ.,
+          Mus. Nat. Hist., 1:249-255, 6 figs. in, text, July 26, 1948.
+
+    1949. A new harvest mouse from Michoacán, Mexico. Proc. Biol.
+          Soc. Washington, 62:163-164, August 23, 1949.
+
+
+HOOPER, E. T.
+
+    1946. Two genera of pocket gophers should be congeneric. Jour.
+          Mamm., 27:397-399, November 25, 1946.
+
+
+HOWELL, A. H.
+
+    1906. Revision of the skunks of the genus Spilogale. N. Amer.
+          Fauna, 26:1-55, 10 pls., November 24, 1906.
+
+    1914. Revision of the American harvest mice (Genus
+          Reithrodontomys). N. Amer. Fauna, 36:1-97, 7 pls., 6 figs.
+          in text, June 5, 1914.
+
+    1938. Revision of the North American ground squirrels, with a
+          classification of North American Sciuridae. N. Amer. Fauna,
+          56:1-256, 32 pls. (some colored), 20 figs. in text, May 18,
+          1938.
+
+
+JACKSON, H. H. T.
+
+    1928. A taxonomic revision of the American long-tailed shrews....
+          N. Amer. Fauna, 51:vi+238, 13 pls., 24 figs., July 24, 1928.
+
+
+MARTINEZ, L., and VILLA-R., B.
+
+    1940. Segunda contribucion al conocimiento de los murcielagos
+          Mexicanos--II Estado de Guerrero. Anales d. Inst. Biol.,
+         (Univ.) México. 11:291-361, illustrated, 1940.
+
+
+MILLER, G. S., JR.
+
+    1897. Revision of the North American bats of the family
+          Vespertilionidae. N. Amer. Fauna, 13:1-140, 3 pls., 40 figs.
+          in text, October 16, 1897.
+
+
+MILLER, G. S., JR., and ALLEN, G. M.
+
+    1928. The American bats of the genera Myotis and Pizonyx. U. S.
+          Nat. Mus. Bull., 144:viii+218, 1 pl., 1 fig., 13 maps, May 25,
+          1928.
+
+
+NELSON, E. W.
+
+    1899. Revision of the squirrels of Mexico and Central America.
+          Proc. Washington Acad. Sci., 1:15-110, 2 pls., May 9, 1899.
+
+    1909. The rabbits of North America. N. Amer. Fauna, 29:1-314,
+          13 pls., 19 figs. in text, August 31, 1909.
+
+
+OSGOOD, W. H.
+
+    1909. Revision of the mice of the American genus Peromyscus.
+          N. Amer. Fauna, 28:1-285, 8 pls., 12 figs., April 17, 1909.
+
+    1945. Two new rodents from Mexico. Jour. Mamm., 26:299-301,
+          November 14, 1945.
+
+
+TATE, G. H. H.
+
+    1933. A systematic revision of the marsupial genus _Marmosa_, with
+          a discussion of the adaptive radiation of the murine opossums
+          (_Marmosa_). Bull. Amer. Mus. Nat. Hist., 66:1-250, pls. 1-26,
+          29 figs. in text, August 10, 1933.
+
+
+Transmitted August 30, 1948.
+
+
+
+[Illustration: Union Label]
+
+22-6113
+
+
+
+
+Transcriber's Notes:
+
+_Text_ represents Italic and =Text= represents Bold.
+
+On page 458, _Reithrodontomys fulvescens inexspectatus_ Elliot also
+lists _Rhithrodontomys inexspectatus_ Elliot. Apparently the two genera
+names (Reithrodontomys and Rhithrodontomys) are both 'correct' spellings
+for Harvest Mice.
+
+Numbers and fractional parts are displayed as follows: 1-3/4 = one and
+three quarters; 3-1/2 = three and one half.
+
+
+Typographical Corrections
+
+  Page  Correction
+  ====  ================
+  444   Fanua => Fauna
+  447   costal => coastal
+  451   Cúnu => Cúmu
+
+
+
+
+
+
+
+End of the Project Gutenberg EBook of An Annotated Check List of the Mammals
+of Michoacán, México, by Bernardo Villa R. and E. Raymond Hall
+
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+The Project Gutenberg EBook of An Annotated Check List of the Mammals of
+Michoac�n, M�xico, by Bernardo Villa R. and E. Raymond Hall
+
+This eBook is for the use of anyone anywhere at no cost and with
+almost no restrictions whatsoever.  You may copy it, give it away or
+re-use it under the terms of the Project Gutenberg License included
+with this eBook or online at www.gutenberg.org/license
+
+
+Title: An Annotated Check List of the Mammals of Michoac�n, M�xico
+
+Author: Bernardo Villa R.
+        E. Raymond Hall
+
+Release Date: March 22, 2012 [EBook #39222]
+
+Language: English
+
+Character set encoding: ISO-8859-1
+
+*** START OF THIS PROJECT GUTENBERG EBOOK AN ANNOTATED CHECK LIST OF ***
+
+
+
+
+Produced by Chris Curnow, Tom Cosmas, Joseph Cooper and
+the Online Distributed Proofreading Team at
+http://www.pgdp.net
+
+
+
+
+
+
+
+
+
+An Annotated Check List of the Mammals of Michoac�n, M�xico
+
+BY
+
+E. RAYMOND HALL and BERNARDO VILLA R.
+
+
+University of Kansas Publications
+
+Museum of Natural History
+
+
+Volume 1, No. 22, pp. 431-472, 2 plates, 1 figure in text
+
+December 27, 1949
+
+
+University of Kansas
+
+LAWRENCE
+
+1949
+
+
+
+
+UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY
+
+
+Editors: E. Raymond Hall, Chairman, A. Byron Leonard, Edward H. Taylor,
+Robert W. Wilson
+
+
+Volume 1, No. 22, pp. 431-472, 2 plates, 1 figure in text
+
+December 27, 1949
+
+
+UNIVERSITY OF KANSAS
+
+Lawrence, Kansas
+
+
+PRINTED BY
+
+FERD VOILAND, JR., STATE PRINTER
+
+TOPEKA, KANSAS
+
+1949
+
+22-6113
+
+
+
+
+An Annotated Check List of the Mammals of Michoac�n, M�xico
+
+By
+
+E. RAYMOND HALL and BERNARDO VILLA R.
+
+
+
+
+INTRODUCTION
+
+
+When General L�zaro Cardenas was President of the Republic of M�xico,
+encouragement was given by his administration to linguistic groups of
+native American peoples to record in printed form, eventually in their
+native languages, accounts of their cultural accomplishments and
+accounts of the natural resources of the regions concerned. For the
+Tarascan "Empire" centering in the state of Michoac�n, a committee of
+Mexicans and citizens of the United States of America was formed to
+forward these aims. Under the leadership of ethnologists on the
+committee, especially Professor Daniel Rubin F. de la Borbolla and
+Professor Ralph L. Beals, invitations to co�perate in the studies were
+extended to biologists. One of us (Hall) was invited to investigate
+the fauna of native wild mammals. In 1943, assisted by a fellowship
+which Hall at that time held from the John Simon Guggenheim Memorial
+Foundation, and with support from Miss Annie M. Alexander, through the
+University of California Museum of Vertebrate Zo�logy, most of
+March--March 3 to March 29, 1943--was spent in the state of Michoac�n.
+
+Bernardo Villa R. of the Instituto de Biolog�a de la Universidad de
+M�xico was a member of the party from March 23 to 27. Previously,
+March 4 to 22, Roberto Alc�ntar from the Universidad de Michoac�n, in
+Morelia, participated in the field work. Mr. J. R. Alcorn was active
+in the collecting from the beginning until he entrained for the United
+States on March 24. The remainder of the field party was made up of E.
+Raymond Hall, his wife Mary F. Hall, and their three sons, William
+Joel, Hubert H., and Benjamin D. Hall.
+
+From March 4 to 15 we collected at, and in the vicinity of, P�tzcuaro.
+We were housed in two cottages kindly made available by Sr. Efrain
+Buenrostro, in Campo Turista Janitzio, 200 meters northwest of the
+railroad station in Colonia Revoluci�n. The shore of Lake P�tzcuaro,
+the cultivated fields surrounded by stone fences, and the oak and pine
+forests roundabout provided varied habitats.
+
+From March 16 to 23 we collected in the territory 1 to 6 miles south
+of Tac�mbaro, making our headquarters in the Europa Hotel, in the
+town. The steep main street of Tac�mbaro with native pines at the
+upper end descends to plantings of bananas and sugar cane at the lower
+end. Our collecting all was done below (south of) the town in the
+semitropical country and none at all was done above (north of) the
+town.
+
+From March 24 to 27 (three night's trapping) we collected in the
+vicinity of Zamora, making our headquarters in rooms diagonally across
+the street intersection from the Hotel Fenix.
+
+The resulting specimens, approximately 650 in number, were deposited
+in the Museum of Vertebrate Zo�logy at the University of California at
+Berkeley.
+
+A noteworthy coincidence is that on the very day, February 26, on
+which we crossed the international border into M�xico at Laredo, the
+beginning of the new volcano, Paricut�n, was announced in the daily
+press. Our collecting of mammals in Michoac�n was nearly all done in
+sight of the towering white plume of this rapidly heightening volcanic
+cone and frequently our traps were thickly dusted with its wind-borne
+ash. Our eagerness at that time to have stations established for
+observing the effects on vertebrates of the deposition of ash, was
+gratified in that Dr. Robert T. Hatt independently had the same idea
+and such observations at appropriate places and times were begun by
+him and staff members of the Museum of Zo�logy of the University of
+Michigan. One of us, Villa, was privileged to share in these
+observations in the spring of 1947.
+
+This continuing interest in the mammals of Michoac�n has made it seem,
+to us, the more desirable to place on record our findings as to kinds
+and occurrence of species. In doing this we have examined the
+collections made previously on Cerro Tanc�taro and vicinity by the
+field party led by Mr. Harry Hoogstraal from the University of
+Illinois and the Chicago Natural History Museum. The specimens of
+mammals collected by this field party are in the Chicago Natural
+History Museum and we are obliged to Mr. Karl P. Schmidt, Mr. Colin C.
+Sanborn and the late Dr. Wilfred H. Osgood for the privilege of
+studying this material.
+
+Drs. William H. Burt and Emmet T. Hooper, of the Museum of Zo�logy of
+the University of Michigan, lent to us for examination five specimens
+of bats, of as many species, which they had taken in Michoac�n. Drs.
+Remington Kellogg and Henry W. Setzer have provided us with data on
+specimens of deer and peccary from Michoac�n which are in the United
+States National Museum. Specimens in the Institute of Biology of the
+University of M�xico have been used. Financial provision by the Kansas
+University Endowment Association has enabled us to obtain specimens
+needed for comparison from other parts of M�xico.
+
+In addition to the materials mentioned above we have used published
+references to mammals of Michoac�n and have prepared the following
+lists of kinds of mammals positively known to us to occur in the
+Mexican state of Michoac�n. It is noteworthy that specimens recorded
+in the literature from Ac�mbaro, Michoac�n, no longer are to be
+ascribed to Michoac�n, since a relocation of the boundary between the
+states of Michoac�n and Guanajuato, places Ac�mbaro in the latter
+state.
+
+Our aims were: (1) To record kinds of mammals positively known from
+the state, under the correct scientific name, and vernacular names in
+English, Spanish, and Tarascan. The first Tarascan name is given in
+the spelling used by Tarascans followed by the phonetic equivalent in
+English in parentheses. (2) To indicate the geographic range of each
+kind in the state, and, (3) To record miscellaneous information which
+it is thought probably will be useful in one way or another to other
+students whose work certainly will lengthen the list of kinds of
+mammals known from Michoac�n and otherwise add to our knowledge of
+them.
+
+Several kinds of bats, of which we lack records, certainly occur in
+Michoac�n. Four or five kinds of cats (genus _Felis_), species of the
+genera _Potos_, _Lutra_, _Tayra_, _Grison_, and several other kinds of
+mammals of which we now lack positive record, also probably occur
+there; the list of kinds, we expect, will number more than one hundred
+species and subspecies when more intensive collecting has been done in
+the state. In all, we have positive record of 85 kinds of native, wild
+mammals of which specimens have been examined or recorded from
+Michoac�n. Distances and elevations here are recorded either in the
+metric system or in the English system, according to the system used
+on the labels of the specimens concerned. Unless otherwise indicated,
+catalogue numbers of more than 100,000 are of specimens in the
+University of California Museum of Vertebrate Zo�logy and numbers of
+less than 100,000 are of the Chicago Natural History Museum.
+
+   [Illustration: FIG. 1. Map of the state of Michoac�n showing
+      place names mentioned in the text.]
+
+
+
+
+ACCOUNTS OF SPECIES AND SUBSPECIES
+
+
+=Didelphis mesamericana mesamericana= Oken
+
+Opossum; Spanish, Tlacuache; Tarascan, Ujk�ri (Ukuri)
+
+    _Did[elphys]. mesamericana_ Oken, Lehrbuch d. Naturgesch.,
+       pt. 3, 2:1152, 1816, type from northern M�xico.
+
+    _Didelphis mesamericana_, Allen, Bull. Amer. Mus. Nat. Hist.,
+       16:256, August 18, 1902.
+
+_Range._--Statewide.
+
+_Specimens examined_, 7: nos. 100063-100067, 100074, 51396,
+distributed by localities as follows: P�tzcuaro (3 mi. N, 6,700 ft.,
+1; 2 mi. W, 6,700 ft., 2; 5 mi. S, 7,800 ft., 1), 4; Tanc�taro, 1;
+1-3/4 mi. S Tac�mbaro, 5,700 ft., 1; 1 mi. E and 6 mi. S Tac�mbaro, 1.
+
+_Remarks._--The coarse overhair is white all the way to the base in
+three specimens but is black in its distal two thirds (white in basal
+third) in four specimens. The overhair, six centimeters anterior to
+the base of the tail, is 83 (80-85) mm. long in the three gray
+specimens (those with white overhair) and 68 (64-72) mm. long in the
+black specimens. The ears and all four feet are black. The tail is
+black in its proximal half and white in its distal half except in one
+specimen in which the distal half is almost as dark as the proximal
+half. Of the two largest specimens, one is a female from 1-3/4 mi. S
+Tac�mbaro and the other, a male is from 6 mi. S of the same place.
+Measurements are: Total length, [M] 810, [F] 786; length of tail, [M]
+360, [F] 348; length of hind foot, --, 58; condylobasal length, 110.0;
+99.6; zygomatic breadth, 68.5; 59.6; length of nasals, 59.7, 45.0. The
+tail amounts to 48, 48 and 47 per cent of the total length in
+specimens from P�tzcuaro; 50 per cent in one from Tanc�taro; 45 and 44
+per cent in two from Tac�mbaro. The subspecies _mesamericana_ probably
+intergrades with _Didelphis virginiana virginiana_ by way of _D. m.
+texensis_ and _D. v. pigra_, as Davis (1944:375) and other writers
+suggest, in which case the proper name of the subspecies
+_mesamericana_ would be _Didelphis virginiana mesamericana_. Until
+intergradation is actually demonstrated, it seems best to use the name
+_D. m. mesamericana_.
+
+Most of our specimens were caught in steel traps, at meat baits, set
+for small carnivores.
+
+
+=Marmosa canescens canescens= (Allen)
+
+Murine Opossum; Spanish, Rat�n Tlacuache
+
+    _Didelphis (Micoureus) canescens_ Allen, Bull. Amer. Mus. Nat.
+       Hist., 5:235, September 22, 1893, type from Santo Domingo
+       de Guzman, Isthmus of Tehuantepec, M�xico.
+
+    _Marmosa canescens_ Allen, Bull. Amer. Mus. Nat. Hist., 9:58,
+       March 15, 1897.
+
+_Range._--Below _Quercus_ belt, probably throughout western half of
+state.
+
+_Specimen examined_, 1: no. 100062, 1 mi. E and 6 mi. S Tac�mbaro,
+4,000 ft.
+
+_Remarks._--The one unsexed subadult measures 5.5 mm. from Ml to M3
+inclusive, which measurement is near the minimum that Tate (1933:
+table 1, Sec. 5) records for this subspecies but larger than the
+maximum that he (_loc. cit._) records for the subspecies _sinaloae_
+which occurs to the northward of Michoac�n. Tate (_op. cit._:141)
+lists two other specimens from Los Reyes. Our specimen was caught in a
+mouse trap set in dry grass between a sugar cane field and a patch of
+banana trees.
+
+
+=Sorex saussurei saussurei= Merriam
+
+Saussure Shrew; Spanish, Musara�a
+
+    _Sorex saussurei_ Merriam, Proc. Biol. Soc. Washington, 7:173,
+       September 29, 1892, type from north slope Sierra Nevada de
+       Colima, approximately 8,000 feet, Jalisco.
+
+_Range._--In and above _Quercus_ belt, probably throughout
+northeastern half of state.
+
+_Specimens examined_, 14: nos. 8688, 52131-52141, 100076, 100077,
+distributed by localities as follows: P�tzcuaro, 1; 4 mi. S P�tzcuaro,
+7,800 ft., 2; Mount Tanc�taro (7,800 ft., 8; 9,500 ft., 1; 9,600 ft.,
+1; 10,000 ft., 1), 11.
+
+_Remarks._--Two males from Mount Tanc�taro, with much worn teeth,
+catalogue nos. 52132 and 52138, measure, respectively, as follows:
+Total length, 122, 114; length of tail, 46, 43; length of hind foot,
+15, 14; condylobasal length, 18.4, 18.3; palatal length, 8.0, 7.3;
+cranial breadth, 9.4, 9.2; least interorbital breadth, 3.7, 3.8;
+maxillary breadth, 5.5, 5.5; maxillary tooth-row, 6.8, 6.7. The long
+palate in no. 52132 and the broad brain case in both specimens appear
+to be only individual variations or possibly variations correlated
+with the advanced age of the two animals since in other features they
+do not differ from specimens which are smaller in these two
+dimensions. Jackson (1928:156) records specimens of this shrew from
+Mount Patamb�n and Nahuatzin.
+
+
+=Cryptotis pergracilis pergracilis= (Elliot)
+
+Short-tailed Shrew; Spanish, Musara�a Colicorta
+
+    _Blarina pergracilis_ Elliot, Field Columb. Mus., publ. 71,
+       zo�l. ser., 3:149, February, 1903, type from Ocotlan, Jalisco,
+       M�xico.
+
+    _Cryptotis pergracilis pergracilis_, Miller, Proc. Biol. Soc.
+       Washington, 24:223, October 31, 1911.
+
+_Range._--Probably statewide.
+
+_Specimen examined_, 1: no. 1721 B. Villa R. from Colonia Ibarra,
+P�tzcuaro.
+
+_Remarks._--Our one specimen, originally a mount, proves to have a
+crushed brain case. The specimen was saved on March 10, 1944, by P.
+Luna, who in March, 1943, told one of us (Hall) that many of these
+shrews fell into the cement fish-rearing tanks at the biological
+station situated at Colonia Ibarra, a suburb of P�tzcuaro, on the
+shore of Lake P�tzcuaro. We are indebted to Dr. H. H. T. Jackson for
+examining our specimen and assigning a name to it.
+
+
+=Balantiopteryx plicata= Peters
+
+Sac-winged Bat; Spanish, Murci�lago Sacoptero; Tarascan word for bat
+is Huas�s (Wasis)
+
+    _Balantiopteryx plicata_ Peters, Monatsber. k. preuss. Akad.
+       Wiss. Berlin, p. 476, 1867, type from Puntaarenas, Costa Rica.
+
+_Range._--Statewide.
+
+_Specimens examined_, 2: nos. 52224, 52225, from Apatzingan, 1,040 ft.
+
+_Remarks._--This bat is a cave dweller, not infrequently found
+roosting with other species.
+
+
+=Glossophaga soricina leachii= (Gray)
+
+Long-tongued Bat; Spanish, Murci�lago Siricot�ro
+
+    _Monophyllus leachii_ Gray, Voyage of the Sulphur, Zo�l.,
+       1:18, 1844, type from Realejo, Nicaragua.
+
+    _Glossophaga soricina leachii_, Miller, Proc. U. S. Nat. Mus.,
+       46:419, December 31, 1913.
+
+_Range._--Statewide.
+
+_Specimens examined_, 4: nos. 11377, Univ. Kan., and alcoholic
+specimens nos. 950-952 B. Villa R. field numbers, I. B. (specimens in
+Instituto de Biolog�a, Univ. de M�xico), distributed by localities as
+follows: Hacienda El Sabino, Michoac�n, approximately 25 mi. S
+Uruapan, 1; El Guayabo, 34 kms. S Uruapan, 3.
+
+_Remarks._--Specimens from El Guayabo were taken in a natural cave
+which they shared with _Desmodus rotundus murinus_ and _Artibeus
+planirostris planirostris_.
+
+       *       *       *       *       *
+
+The length of the thumb averages 7.4 mm. (7.0 to 7.7). As compared
+with _G. s. alticola_ from northeast Tlaxcala according to the
+description given by Davis (1944:377), our specimens agree with
+_alticola_ in length of thumb. In all other characters they correspond
+to _leachii_.
+
+
+=Choeronycteris mexicana= Tschudi
+
+Long-tongued Bat; Spanish, Murci�lago Carilargo
+
+    _Choeronycteris mexicana_ Tschudi, Fauna Peruana, p. 72, 1844,
+       type from M�xico.
+
+_Range._--Statewide.
+
+_Specimens examined_, 4: nos. 100078-100081, from 2 mi. W P�tzcuaro,
+7,700 ft.
+
+_Remarks._--A colony of 20 or more bats of this species was found in a
+natural cave. Four were caught by hand as they flew about after we
+disturbed them. We returned on the following day, but found that all
+the bats had left.
+
+
+=Leptonycteris nivalis nivalis= (Saussure)
+
+Leaf-nosed Bat; Spanish, Murci�lago Leng�ilarga
+
+    _M[=Ischnoglossa]. nivalis_ Saussure, Revue et Magasin de
+       Zo�logie, 12(ser. 2):492, November, 1860, type from near snow
+       line on Mount Orizaba.
+
+    _Leptonycteris nivalis_, Miller, Proc. Biol. Soc. Washington,
+       13:126, April 6, 1900.
+
+_Range._--Probably middle and higher altitudes through state.
+
+_Specimen examined_, 1: no. 91911, Univ. Michigan Mus. Zo�l., from
+1050 m., 12 miles (on Huetamo Road) south of Tzitzio.
+
+_Remarks._--The subspecific name _L. n. nivalis_ is tentatively
+applied to this specimen in the absence of an opportunity to compare
+it directly with the holotype or topotypes of _Leptonycteris nivalis
+yerbabuenae_ Martinez and Villa (1940:291). Unfortunately, the
+materials on which this name, _L. n. yerbabuenae_, was based all were
+destroyed in 1945 or 1946 while Villa was absent from the Institute of
+Biology of the University of M�xico.
+
+
+=Artibeus planirostris planirostris= (Spix)
+
+Big Leaf-nosed Bat; Spanish, Murci�lago Zapotero
+
+    _Phyllostoma planirostre_ Spix, Simiarum et vespertilionum
+       Brasiliensium, p. 66, 1823, type from suburbs of Bahia,
+       Brazil.
+
+    _Artibeus planirostris_, Dobson, Catal. Chiroptera, British
+       Mus., p. 515 (part), 1878.
+
+_Range._--Probably southwestern part of state.
+
+_Specimen examined_, 1: no. 945b B. Villa R., field no., I.B., El
+Guayabo, 34 kms. S Uruapan.
+
+_Measurements._--Head and body, 89.0 mm.; total length of skull to
+front of upper canines, 28.0; mastoid breadth, 15.5; zygomatic
+breadth, 17.8; maxillary width across first upper molars, 13.2;
+breadth across cingula of upper canines, 7.9; greatest length of one
+ramus of lower jaw including anteriormost incisor tooth, 19.4; length
+of upper tooth-row, anterior border of canine to posterior border of
+M2, 10.4; length of lancet (nose-leaf), 9.0; width of lancet, 6.5;
+width of horseshoe, 9.0; forearm, 57.3; 3rd metacarpal, 52.6; 1st
+(basal) phalanx, 16.0; 2nd (middle) phalanx, 26.7; 3rd (distal)
+phalanx, 18.5; 4th metacarpal, 50.7; 1st (basal) phalanx, 14; 2nd
+phalanx, 18.8; 5th metacarpal, 54; 1st (basal) phalanx, 11.2; 2nd
+phalanx, 13.2; lower leg, 22.9; foot with claws, 15.2; calcar, 6.5.
+
+_Remarks._--Our single specimen, a female, was caught on July 28,
+1945, by my (B. Villa's) father, Andres Villa, in a natural cave,
+roosting with the individuals of _Glossophaga s. leachii_. The
+northernmost locality in M�xico from which _A. p. planirostris_
+previously has been recorded is El Papayo, in the state of Guerrero
+(Andersen, 1908:238), approximately 225 kilometers to the southward.
+_A. p. planirostris_ and _Artibeus jamaicensis_ closely resemble each
+other but _A. planirostris_ may be recognized by the presence of a
+minute M3 which is absent in _A. jamaicensis_. Specimen no. 945b has
+M3 present on both sides of the upper jaw. From _Artibeus hirsutus_,
+known from La Salada, Michoac�n, approximately 40 miles north and
+slightly to the east of El Guayabo, our specimen differs in the
+apparently hairless tibia and interfemoral membrane. The measurements,
+of no. 945b, recorded above, if compared with those given by Andersen
+(1908:246) are seen mostly to fall within the range recorded for _A.
+hirsutus_. Where measurements are outside this range, they fall within
+the range of those of the larger _A. p. planirostris_. We recognize
+that the Mexican species of _Artibeus_ are not well understood, at
+least by us.
+
+
+=Artibeus hirsutus= K. Andersen
+
+Leaf-nosed Bat; Spanish, Murci�lago Zapotero
+
+    _Artibeus hirsutus_ K. Andersen, Ann. and Mag. Nat. Hist.,
+       18(ser. 7):420, December, 1906, type from La Salada,
+       Michoac�n.
+
+_Range._--Known from western part of state.
+
+_Remarks._--From Michoac�n, Andersen (1908:247) examined three
+specimens, all from the type locality.
+
+
+=Desmodus rotundus murinus= Wagner
+
+Vampire Bat; Spanish, Vampiro
+
+    _D[esmodus]. murinus_ Wagner, Schreber's S�ugethiere, Suppl.,
+       1:377, 1840, type from M�xico.
+
+    _Desmodus rotundus murinus_, Osgood, Field Mus. Nat. Hist.,
+       publ. 155, zo�l. ser., 10:63, January 10, 1912.
+
+_Range._--Statewide, except rare or absent at higher altitudes.
+
+_Specimens examined_, 6: nos. 944-949 B. Villa R. field numbers, I.B.,
+El Guayabo, 34 kms. S Uruapan.
+
+_Remarks._--This species is colonial; usually it is found in large
+numbers in favorite roosting sites, mainly in natural caves. Four of
+our specimens, caught in July, are females and two are young males.
+One, female, no. 944, has one embryo of 40 mm. in length.
+
+
+=Myotis yumanensis lutosus= Miller and Allen
+
+Yuma Myotis; Spanish, Murci�lago de Yuma
+
+    _Myotis yumanensis lutosus_ Miller and Allen, U. S. Nat. Mus.,
+       Bull., 144:72, May 25, 1928, type from P�tzcuaro, Michoac�n.
+
+    _Myotis yumanensis_, Miller, N. Amer. Fauna, 13:67, October
+       16, 1897.
+
+_Range._--Known only from P�tzcuaro and El Molino.
+
+_Remarks._--Originally recorded by Miller (1897:67) from P�tzcuaro,
+the animals from central M�xico were named as a new subspecies by
+Miller and Allen (1928:72) who record one specimen from El Molino.
+
+
+=Myotis velifer velifer= (Allen)
+
+Cave Bat; Spanish, Murci�lago Vespertino
+
+    _Vespertilio velifer_ J. A. Allen, Bull. Amer. Mus. Nat.
+       Hist., 3:177, December 10, 1890, type from Santa Cruz del
+       Valle, Guadalajara, Jalisco.
+
+    _Myotis velifer velifer_, Allen and Miller, U. S. Nat. Mus.
+       Bull., 144:89, May 25, 1928.
+
+_Range._--Statewide.
+
+_Specimens examined_, 17: nos. 100083-100099, from 3 mi. NW P�tzcuaro,
+6,700 ft.
+
+_Remarks._--Our specimens were taken on March 12, 1943, from a crevice
+in the wall of an abandoned chapel where 35 or more individuals of
+both sexes were living. Miller (1897:59) records the species from
+P�tzcuaro and Miller and Allen (1928:91) record it from there and also
+from Lake Chapala, La Palma, Ac�mbaro (now in Guanajuato) and
+Negrete.
+
+
+=Myotis thysanodes thysanodes= Miller
+
+Fringed-tailed Myotis; Spanish, Murci�lago Colirugosa
+
+    _Myotis thysanodes_ Miller, N. Amer. Fauna, 13:80, October 16,
+       1897, type from Old Fort Tejon, Kern County, California.
+
+_Range._--Known only from P�tzcuaro.
+
+_Remarks._--In the original description five specimens are recorded
+from P�tzcuaro and Miller and Allen (1928:127) mention the same
+locality of occurence.
+
+
+=Myotis californicus mexicanus= (Saussure)
+
+California Myotis; Spanish, Murci�lago de California
+
+    _V[espertilio]. mexicanus_ Saussure, Rev. et Mag. de Zo�l., 12
+       (ser. 2):282, 1860, type from somewhere in the warmer part of
+       the state of M�xico.
+
+    _Myotis californicus mexicanus_, Miller, N. Amer. Fauna,
+       13:73, October 16, 1897.
+
+_Range._--Known in Michoac�n only from P�tzcuaro.
+
+_Remarks._--Specimens from P�tzcuaro are recorded by Miller and Allen
+(1928:160).
+
+
+=Eptesicus fuscus miradorensis= (H. Allen)
+
+Big Brown Bat; Spanish, Murci�lago Fusco
+
+    _S[cotophilus]. miradorensis_ H. Allen, Proc. Acad. Nat. Sci.
+       Philadelphia, p. 287, 1866, type from Mirador, Veracruz.
+
+    _Eptesicus fuscus miradorensis_, Miller, N. Amer. Land Mamm.,
+       1911, p. 62, December 31, 1912.
+
+_Range._--Probably statewide.
+
+_Specimen examined_, 1: no. 91909, Univ. Michigan, Mus. Zo�l., from
+Rancho Escondido, one mile north of Apo, 6,000 feet elevation, June
+29, 1947, female adult, taken by W. H. Burt.
+
+
+=Lasiurus borealis mexicanus= (Saussure)
+
+Red Bat; Spanish, Murci�lago Rojizo
+
+    _A[talapha]. mexicana_ Saussure, Rev. et Mag. de Zo�l.,
+       13(2):97, March, 1861, type probably from Veracruz, Puebla
+       or Oaxaca.
+
+    _Lasiurus borealis mexicanus_, Miller, N. Amer. Fauna, 13:111,
+       October 16, 1897.
+
+_Range._--Probably larger part of state.
+
+_Specimen examined_, 1: no. 89446, Univ. Michigan, Mus. Zo�l., from
+Nuevo San Juan (Los Conejos), 5 mi. SW Uruapan, May 23, 1945, by W. H.
+Burt.
+
+_Remarks._--This specimen, a male with much worn teeth, answers well
+to the description of _L. b. mexicanus_ except that the minute
+premolar between the canine and fourth premolar is missing on each
+side of the upper jaw. This, however, seems the less remarkable after
+examination of 18 skulls of _L. b. borealis_ from the United States in
+two of which these minute premolars are likewise absent; one of the
+two specimens from the United States has unworn teeth and the other
+much worn teeth.
+
+
+=Lasiurus cinereus cinereus= (Beauvois)
+
+Hoary Bat; Spanish, Murci�lago Pardo
+
+    _Vespertilio cinereus_ (misspelled _linereus_) Beauvois,
+       Catal. Raisonn� Mus. Peale, Philadelphia, p. 18, 1796,
+       type locality, Philadelphia, Pennsylvania.
+
+    _Lasiurus cinereus_, H. Allen, Monogr. N. Amer. Bats,
+       Smithsonian Misc. Colls., 7(1): 12, June, 1864.
+
+_Range._--Higher elevations throughout state.
+
+_Specimen examined_, 1: no. 89456, Univ. Michigan Mus. Zo�l., from
+Barranca Seca, May 6, 1945, adult male with much worn teeth, obtained
+by W. H. Burt.
+
+
+=Corynorhinus rafinesquii mexicanus= G. M. Allen
+
+Long-eared Bat; Spanish, Murci�lago Narigudo
+
+    _Corynorhinus megalotis mexicanus_ Allen, G. M., Bull. Mus.
+       Comp. Zo�l., 60:347, April, 1916, type from "near Pacheco,"
+       Chihuahua.
+
+    _Corynorhinus rafinesquii mexicanus_, Miller, U. S. Nat. Mus.,
+       Bull., 128:83, April 29, 1924.
+
+    _Corynorhinus macrotis pallescens_, Miller, N. Amer. Fauna,
+       13:52, October 16, 1897.
+
+_Range._--Known from only P�tzcuaro.
+
+_Remarks._--Miller (1897:53) recorded one specimen from P�tzcuaro and
+Allen (1916:349) merely alludes to Miller's record.
+
+
+=Tadarida mexicana= (Saussure)
+
+Mexican Free-tailed Bat; Spanish, Murci�lago Coludo
+
+    _Molossus mexicanus_ Saussure, Rev. et Mag. de Zo�l., 12:283,
+       July, 1860, type from Cofre de Perote, 13,000 feet, Veracruz.
+
+    _Tadarida mexicana_, Miller, Bull. U. S. Nat. Mus., 128:86,
+       April 29, 1924.
+
+_Range._--Statewide.
+
+_Specimens examined_, 12: nos. 100100-100111, distributed by
+localities as follows: 1 mi. N Zamora, 5,450 ft., 1; 3 mi. N
+P�tzcuaro, 6,800 ft., 3; 3 mi. NW P�tzcuaro, 6,700 ft., 3; Isla
+Janitzio, Lago de P�tzcuaro, 6,600 ft., 5.
+
+_Remarks._--This species is widespread in M�xico, ranging from sea
+level to high elevations as at the type locality. In Michoac�n most of
+our specimens were shot as they flew about at early dusk. The five
+from Isla Janitzio were shot as they clung to the roof of a cave along
+with scores of other individuals of the same species.
+
+
+=Eumops underwoodi underwoodi= Goodwin
+
+Mastiff Bat; Spanish, Murci�lago Mastin
+
+    _Eumops underwoodi_ Goodwin, Amer. Mus. Novitates, 1075:2,
+       June 27, 1940, type from El Pedrero, 6 km. N Chinaela,
+       approximately 3,000 ft. elevation, Dept. La Paz, Honduras.
+
+_Range._--Known only from Tanc�taro Mtn.
+
+_Specimen examined_, 1: no. 89461, Univ. Michigan Mus. Zo�l., from
+Rancho Escondido, 2 mi. N Apo, Tanc�taro Mtn., [F] ad. with much worn
+teeth, taken June 11, 1945, by W. H. Burt.
+
+_Remarks._--Selected measurements of this specimen are: Total length,
+158; ear from notch, 32; mastoid breadth, 16.1; width across crowns
+of M3, 12.6; maxillary tooth-row (from anterior face of canine above
+cingulum to posterior face of M3), 11.8. The total length is less than
+in _E. underwoodi_ or than in _Eumops sonoriensis_ Benson (1947:133);
+the other measurements given above exceed those of _E. sonoriensis_
+and equal or approach those of _E. underwoodi_. The ears seem not to
+be connected across the forehead; the color is near (_l_) Bister above
+and slightly lighter on the underparts.
+
+The specimen is clearly intermediate in size, as it also is
+geographically, between _Eumops underwoodi underwoodi_ Goodwin and
+_Eumops underwoodi sonoriensis_ Benson and gives basis for arranging
+these two named kinds as subspecies of a single species as Benson
+(1947:134) suggested might prove to be necessary. We are not certain
+whether this specimen should be referred to the subspecies
+_underwoodi_ or _sonoriensis_ and probably this uncertainty will
+remain until the range of individual variation in _underwoodi_ is
+known.
+
+
+=Procyon lotor hernandezii= Wagler
+
+Raccoon; Spanish, Mapache; Tarascan, Ap�tze (Apatz)
+
+    _Pr[ocyon] hernandezii_ Wagler, Isis, 24:514, 1831, type from
+       Valley of M�xico, according to Nelson and Goldman (Proc.
+       Biol. Soc. Washington, 44:17, February 21, 1931).
+
+    _Procyon lotor hernandezii_, Allen, Bull. Amer. Mus. Nat.
+       Hist., 3:176, December 10, 1890.
+
+_Range._--Statewide.
+
+_Specimens examined_, 2: no. 100113 from 10 mi. ESE Zamora, 5,500 ft.,
+1; no. 52220 from 15 kms. W Apatzingan, 1,040 ft., 1.
+
+_Remarks._--In allusion to its habit of washing its food, in captivity
+at least, before eating it, the Spanish speaking people often refer to
+this species as _ositos labadores_. The specimen from 10 mi. ESE
+Zamora is a skull without lower jaws or indication of sex. Because the
+racoons damage corn in the roasting ear stage the animals are disliked
+by the farmers, a score of whom sometimes band together in an
+organized hunt to kill the animals. Dogs are especially trained to
+hunt them. In Michoac�n no use is made of the pelts.
+
+
+=Nasua narica molaris= Merriam
+
+Coati; Spanish, Pizote; Tarascan, Am�tze (Amatz)
+
+    _Nasua narica molaris_ Merriam, Proc. Biol. Soc. Washington,
+       15:68, March 22, 1902, type from Manzanillo, Colima; Goldman,
+       Proc. Biol. Soc. Washington, 55:79, June 25, 1942.
+
+_Range._--Probably all but higher parts of state.
+
+_Remarks._--We have no positive record of this animal which Goldman
+(1942:79) writes "is widely distributed from Jalisco south through
+Colima, Michoac�n, ... to southwestern Oaxaca." In the parts of
+Michoac�n visited by us the Spanish name tej�n instead of pizote was
+used for this animal although in parts of M�xico where the badger
+(_Taxidea_) occurs, tej�n is, we understand, the name used for the
+badger.
+
+
+=Bassariscus astutus consitus= Nelson and Goldman
+
+Ring-tailed Cat; Spanish, Cacomixtle
+
+    _Bassariscus astutus consitus_ Nelson and Goldman, Jour.
+       Washington Acad. Sci., 22:487, October 19, 1932, type from
+       La Salada, 40 mi. S Uruapan, Michoac�n.
+
+_Range._--Probably greater part, or all, of state.
+
+_Specimen examined_, 1: no. 100112 from 3 mi. NW P�tzcuaro, 6,700 ft.
+
+_Remarks._--La Salada and three miles northwest of P�tzcuaro are the
+two localities represented by actual specimens. A live animal, at
+night, was seen one mile east and four miles south of Tac�mbaro at
+4,500 feet elevation. The young female from three miles northwest of
+P�tzcuaro was trapped at a break in a stone fence.
+
+Ring-tailed cats live in the stone walls, crevices and rocky ledges,
+around corn fields and pasture lands.
+
+
+=Mustela frenata leucoparia= (Merriam)
+
+Weasel; Spanish, Comadreja; Tarascan, Ap�sr or Apatzee (Apatz)
+
+    _Putorius frenatus leucoparia_ Merriam, N. Amer. Fauna, 11:29,
+       June 30, 1896, type from P�tzcuaro, Michoac�n.
+
+    _Mustela frenata leucoparia_, Miller, Bull. U. S. Nat. Mus.,
+       79:100, December 31, 1912.
+
+_Range._--Probably statewide.
+
+_Specimens examined_, 6: in Biological Surveys Collection of U. S.
+Nat. Mus., nos. 120304, 125972, 34914/47179, 36855/49239, and
+34915/47180; 2014 B. Villa R., I.B., distributed as follows:
+Zamora, 1; Los Reyes, 1; P�tzcuaro, 4.
+
+_Remarks._--This subspecies of weasel is notable for having, among
+American weasels of any kind, the maximum amount of white on the head.
+When collecting at P�tzcuaro we saw no live specimens but were shown
+several from there that had been recently mounted by P. Luna. He
+regarded the animal as not especially rare.
+
+
+=Spilogale angustifrons angustifrons= Howell
+
+Spotted Skunk; Spanish, Zorrillo Manchado
+
+    _Spilogale angustifrons_ Howell, Proc. Biol. Soc. Washington,
+       15:242, December 16, 1902, type from Tlalpam, D. F.
+
+_Range._--Probably all of state except low coastal area.
+
+_Specimen examined_, 1: no. 100126, 3 mi. NW P�tzcuaro, 6,700 ft.
+
+_Remarks._--The short tail of our specimen, an adult male, is
+noteworthy as perhaps also is the breadth between the orbits.
+External measurements are 338, 101, 39. It weighed 308 grams.
+Selected cranial measurements are: Basilar length, 44.1; zygomatic
+breadth, 32.4; postpalatal length, 26.6; least interorbital breadth,
+13.8; height of cranium, 16.0. The specimen was trapped in a hole in a
+stone fence. Howell (1906:23), under the name _Spilogale gracilis_,
+recorded another male from P�tzcuaro.
+
+
+=Mephitis macroura macroura= Lichtenstein
+
+Hooded Skunk; Spanish, Zorrillo or Mofeta Rayada; Tarascan, Cuitziqui
+(Kweetzeke)
+
+    _Mephitis macroura_ Lichtenstein, Darstellung Neuer oder wenig
+       bekannter S�ugethiere pl. 46, 1832, type from mountains
+       northwest of M�xico City.
+
+_Range._--Statewide.
+
+_Specimens examined_, 12: nos. 100114-100125, distributed with
+reference to P�tzcuaro, as follows: 3 mi. NW, 6,700 ft., 1; 2 mi. W,
+7,600 and 7,000 ft., 2; 3-1/2 mi. S, 7,900 ft., 1; 4 mi. S, 7,800 ft.,
+2; 5 mi. S, 7,800 ft., 5; 9 mi. SE, 8,000 ft., 1.
+
+_Remarks._--Skunk tracks were abundant in all localities around
+P�tzcuaro. Most of our specimens were caught in steel traps, some
+along the edges of cornfields, others along the highway and along the
+pole fences. Tarascan friends at Colonia Revoluci�n were eager to have
+the bodies of the skunks which we caught. They regarded the skunks as
+a delicacy and told us that this food was reputed to be good for a
+person's blood and complexion.
+
+
+=Conepatus mesoleucus nelsoni= Goldman
+
+Hog-nosed Skunk; Spanish, Zorillo Real
+
+    _Conepatus mesoleucus nelsoni_ Goldman, Jour. Mamm., 3:41,
+       February 8, 1922, type from Armer�a (near Manzanillo),
+       Colima, 200 ft. altitude.
+
+_Range._--Probably greater part, or all, of state.
+
+_Specimen examined_, 1: no. 52217, Tanc�taro, 6,000 ft.
+
+_Remarks._--The name _C. m. nelsoni_ is tentatively used for the
+single skin, which is without skull or indication of sex.
+
+
+=Urocyon cinereoargenteus colimensis= Goldman
+
+Gray Fox; Spanish, Zorra Gris; Tarascan, C�mihu�tz (Cumewatz)
+
+    _Urocyon cinereoargenteus colimensis_ Goldman, Jour.
+       Washington Acad. Sci., 28:495, November 15, 1938, type
+       from 3 mi. W city of Colima, 1,700 ft. elevation.
+
+_Range._--Statewide.
+
+_Specimens examined_, 2: no. 100127, from 1 mi. E and 6 mi. S
+Tac�mbaro, 4,000 ft., and no. 51393 from Apatzingan.
+
+_Remarks._--The female from southeast of Tac�mbaro, caught on March
+20, 1943, had two embryos, 28 mm. in length. This female was trapped
+near a small stream. Goldman (1938:497) reported 7 specimens of _U. c.
+colimensis_ from the following localities in the state: La Huacana, 1;
+La Salada, 2; Los Reyes, 1; Mount Tanc�taro, 1; P�tzcuaro, 2.
+
+
+PLATE 4
+
+   [Illustration: FIG. 1. Panoramic view of Lake P�tzcuaro.]
+
+   [Illustration: FIG. 2. Stuffed skins, in dorsal view, of 6
+      males of _Mephitis macroura macroura_, all trapped within
+      a radius of 5 miles of P�tzcuaro, to show the amount of
+      individual variation in color-pattern. �1/10. Photo by
+      W. C. Matthews.]
+
+
+PLATE 5
+
+   [Illustration: FIG. 1. Ungrazed pasture with oaks on slope of
+      El Estribo, 7,700 feet elevation, two miles west of the town
+      of P�tzcuaro, Michoac�n. Several species of rodents, _Liomys_,
+      _Sigmodon_, and _Peromyscus_ were taken abundantly in the
+      grass in the immediate foreground. Photo March 16, 1943, by
+      Mary F. Hall.]
+
+   [Illustration: FIG. 2. Xerophitic vegetation, eleven miles west
+      of Zamora, Michoac�n. 5,750 feet elevation, where rodents
+      were trapped. Photo March 26, 1943, by Mary F. Hall.]
+
+
+=Canis latrans cagottis= (Hamilton Smith)
+
+Coyote; Spanish, Coyote; Tarascan, Jihu�tz (Hewatz)
+
+    _Lyciscus cagottis_ Hamilton Smith, Jardine's Naturalist's
+       Library, Mamm., 9:164, 1839, type from R�o Fr�o between
+       city of M�xico and Puebla.
+
+    _Canis latrans cagottis_, Nelson, Proc. Biol. Soc. Washington,
+       45:224, November 26, 1932.
+
+_Range._--Probably most of state.
+
+_Remarks._--On March 27 or 28, 1943, in Morelia, at a gasoline filling
+station, one of us (Hall) saw a freshly killed coyote tied on the
+bumper of the automobile of a Medical Doctor. In response to inquiry
+about the animal the Doctor said that he killed it some 15 miles
+northeast of town.
+
+
+=Lynx rufus escuinapae= Allen
+
+Bobcat; Spanish, Gato del Monte; Tarascan, Mis�cp�pu (misicpapu)
+
+    _Lynx ruffus escuinapae_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       19:614, November 14, 1903, type from Escuinapa, Sinaloa.
+
+_Range._--Probably all of state above the Tropical Life-zone.
+
+_Specimen examined_, 1: no. 47818 (U. S. Nat. Mus., Biol. Surv.
+Coll.), P�tzcuaro.
+
+_Remarks._--The skull of the male from P�tzcuaro agrees well with
+those of topotypes of _L. r. escuinapae_ even to the elongate tympanic
+bullae. Because of their elongation the bullae resemble, in some
+degree, those of the ocelot. Natives told us that the gato del monte
+was resident around P�tzcuaro. Four miles south of P�tzcuaro in a
+cornfield at the edge of an area grown up to oak trees and brush,
+tracks were seen that our Indian companion identified as those of the
+gato del monte.
+
+
+=Citellus variegatus variegatus= (Erxleben)
+
+Rock Squirrel; Spanish, Ardilla de Pedregal; Tarascan, Kuar�ki
+(Kuaraki)
+
+    _[Sciurus] variegatus_ Erxleben, Syst. Regni, Anim., 1:421,
+       1777; type locality fixed as Valley of M�xico near the city
+       of M�xico, by Nelson, Science, N. S., 8:898, December 23, 1898.
+
+    _[Citellus] variegatus_, Elliot, Field Columb. Mus. Pub.,
+       zo�l. ser. 4:148, 1904.
+
+_Range._--Probably in all semi-arid, rocky habitats of the state.
+
+_Specimens examined_, 11: nos. 100128-100135; 51385-51387, distributed
+by localities as follows: 1 mi. N Zamora, 5,450 ft., 1; 3 mi. NW
+P�tzcuaro, 6,700 ft., 5; 4 mi. S P�tzcuaro, 7,800 ft., 1; 1-1/2 mi. S
+Tac�mbaro, 5,700 ft., 1; Mount Tanc�taro, 1; Pedregal, Tanc�taro, 1;
+Tanc�taro, 1.
+
+_Remarks._--Rock squirrels were seen along rock fences, around
+P�tzcuaro, where they are fairly common. On July 17 and 18, 1947, at
+San Juan Parangaricutiro, one of us (Villa) saw these squirrels
+running over the newly formed lava bed which was still emitting vapors
+and which in places (between boulders) was emitting heat detectable by
+the collectors. This is only additional evidence of the animal's
+strong predilection for rocks, boulders and cliffs, which has earned
+for it, in parts of the western United States, the vernacular name
+"rock squirrel" and in M�xico "_Ardilla de Pedregal_."
+
+Howell (1938:138) reported specimens from the following localities:
+Ac�mbaro, 1; Los Reyes, 1; Mount Tanc�taro, 2; P�tzcuaro, 12;
+Quer�ndaro, 1; Zamora, 2.
+
+
+=Citellus adocetus adocetus= Merriam
+
+Lesser Tropical Ground Squirrel; Spanish, Cuiniqui; Tarascan, Kuar�ki
+(Kuaraki)
+
+    _Citellus adocetus_ Merriam, Proc. Biol. Soc. Washington,
+       16:79, May 29, 1903, type from La Salada, 40 miles south
+       of Uruapan, Michoac�n.
+
+_Range._--Southern part of state in arid tropical land.
+
+_Specimens examined_, 4: nos. 52000, 52001, 51388, 51389, distributed
+by localities as follows: "Near Tanc�taro," 2; Acahuato, 1;
+Apatzingan, 1,040 ft., 1.
+
+_Remarks._--Ground squirrels of this species are fairly abundant in
+the arid tropical parts of the state. Their burrows are usually found
+on stony areas along small ravines or under mesquite (_Prosopis
+juliflora_) thickets. The name cuiniqui in use by the Spanish speaking
+population is merely a corruption of the Tarascan name. Cuiniqui,
+therefore, is a particular kind of _ardilla terr�cola_ (ground
+squirrel).
+
+
+=Sciurus poliopus nemoralis= Nelson
+
+Michoac�n Squirrel; Spanish, Ardilla arbor�cola; Tarascan, Uaku�
+(Wakqe)
+
+    _Sciurus albipes nemoralis_ Nelson, Proc. Biol. Soc,
+       Washington, 12:151, June 3, 1898, type from P�tzcuaro,
+       Michoac�n.
+
+    _Sciurus poliopus nemoralis_ Nelson, Proc. Washington Acad.
+       Sci., 1:50, May 9, 1899.
+
+_Range._--Pine and oak forests of most of state.
+
+_Specimens examined_, 3: nos. 2102 and 2103 Louisiana State University
+from 20 mi. E Morelia, 7,300 ft., and no. 1369 B. Villa R. from 1-1/2
+km. N San Juan 2,250 meters.
+
+_Remarks._--Tree squirrels of this kind have been reported by Nelson
+(1899:51) from P�tzcuaro and Nahuatzin.
+
+The young specimen, no. 2102, [M], has the tail slender, resembling
+somewhat that of the _S. p. senex_ from the southward. The underparts
+of the female are Warm Buff, more clearly so on the underside of the
+legs.
+
+
+=Sciurus poliopus senex= Nelson
+
+Michoac�n Squirrel; Spanish, Ardilla Arbor�cola; Tarascan, Uaku�
+(Wakqe)
+
+    _Sciurus poliopus senex_ Nelson, Proc. Biol. Soc. Washington,
+       17:148, October 6, 1904, type from La Salada, 40 mi. S
+       Uruapan.
+
+_Range._--Lowlands in southern part of state.
+
+_Specimens examined_, 3: nos. 52004, 52014, 52015, distributed by
+localities as follows: Tanc�taro, 6,000 ft., 1; Apatzingan,
+1,040 ft., 2.
+
+_Remarks._--Specimen number 52014, [M], represents the melanistic
+phase of this subspecies.
+
+The upper parts of the hind legs in this specimen are slightly
+grizzled. The upper side of the tail is vermiculated with whitish
+and the underside of the tail is black.
+
+
+=Thomomys umbrinus pullus= Hall and Villa
+
+Southern Pocket Gopher; Spanish, Tuza Serrana; Tarascan,
+C�mu (Como)
+
+    _Thomomys umbrinus pullus_ Hall and Villa, Univ. Kansas Publ.,
+       Mus. Nat. Hist., 1:251, July 26, 1948, type from 5 miles
+       south P�tzcuaro, 7,800 ft., Michoac�n.
+
+_Range._--Known only from pine-covered rolling land three to five
+miles south of P�tzcuaro.
+
+_Specimens examined_, 17: nos. 100136-100152, distributed by
+localities as follows: 3 mi. S P�tzcuaro, 7,800 ft., 1; 4 mi. S
+P�tzcuaro, 7,800 ft., 10; 5 mi. S P�tzcuaro, 7,800 ft., 6.
+
+_Remarks._--Most of these pocket gophers were caught in areas
+supporting a good growth of pine trees in the same places where the
+much larger pocket gopher, _Cratogeomys gymnurus_, lived. Concerning
+the individual designated as the type specimen, H. H. Hall (field
+notes) writes that when he was making an excavation to reveal the
+gopher's burrow (5 inches below the surface), he dug deeper than was
+necessary and broke into the burrow of a _Cratogeomys_ directly below.
+Another of us (E. R. Hall) had the same experience where the burrow of
+a _Thomomys_ was approximately six inches below ground and that of a
+_Cratogeomys_ approximately 16 inches below the surface of the ground.
+At the time this arrangement led us to wonder if _Thomomys_ was in
+some sense a "parasite" on the larger _Cratogeomys_ by levying on food
+stores, if _Cratogeomys_ has any, but we found no evidence that such
+was the case and from our subsequent trapping concluded that the
+two-story arrangement was accidental and not the rule. The habit of
+burrowing at different levels probably was one factor which permitted
+the two kinds of pocket gophers to live in the same area. The average
+weight of these gophers was 86 grams in males and 74 grams in females,
+or only an eighth as much as in _Cratogeomys_.
+
+
+=Cratogeomys gymnurus imparilis= (Goldman)
+
+Plains Pocket Gopher; Spanish, Tuza Llanera; Tarascan,
+C�mu (Como)
+
+    _Platygeomys gymnurus imparilis_, Goldman, Jour. Mamm., 20:89,
+       February 14, 1939, type from P�tzcuaro, 7,000 ft., Michoac�n.
+
+    _Platygeomys tylorhinus_ Merriam, N. Amer. Fauna, 8:167, pl.
+       13, fig. 1, January 31, 1895.
+
+_Range._--P�tzcuaro and Tac�mbaro, as now known.
+
+_Specimens examined_, 14: nos. 100153-100166, distributed by
+localities as follows: 2 mi. W P�tzcuaro, 7,700 ft., 2; 3 mi. S
+P�tzcuaro, 7,800 ft., 1; 4 mi. S P�tzcuaro, 7,800 ft., 1; 5 mi. S.
+P�tzcuaro, 7,800 ft., 6; 9 mi. SE P�tzcuaro, 8,000 ft., 1; 1-3/4 mi. S
+Tac�mbaro, 5,700 ft., 1; 1-1/2 mi. S Tac�mbaro, 5,700 ft., 2.
+
+_Remarks._--Burrows were common in cultivated fields and along the
+roads and trails on the southern and southeastern side of Lake
+P�tzcuaro. In the vicinity of Tac�mbaro we noted burrows only in the
+area between one and a half and two miles south of town where two
+specimens were taken. As mentioned in the immediately preceding
+account, the small _Thomomys umbrinus pullus_ and the large
+_Cratogeomys_ were found in the same area. The color of our specimens
+varies from Cinnamon-Brown through Prouts Brown and in some specimens
+is Fuscous Black.
+
+Hooper (1946:397) has shown that the genus _Platygeomys_ is not
+generically distinct from the earlier named _Cratogeomys_. From
+independent study of specimens not examined by Hooper we have
+satisfied ourselves that he is correct in synonymizing _Platygeomys_
+under _Cratogeomys_. Average and extreme weights of 4 of each sex from
+2 to 5 miles south of P�tzcuaro are: [M], 683 (562-819); [F], 558
+(438-707) grams.
+
+
+=Cratogeomys angustirostris= (Merriam)
+
+Plains Pocket Gopher; Spanish, Tuza Llanera; Tarascan,
+C�mu (Como)
+
+    _Platygeomys tylorhinus angustirostris_ Merriam, Proc. Biol.
+       Soc. Washington, 16:81, May 29, 1903, type from Patamb�n,
+       10,000 ft., Michoac�n.
+
+    _Platygeomys angustirostris_, Goldman, Jour. Mamm., 20:90,
+       February 14, 1939.
+
+_Range._--Known only from the type locality.
+
+
+=Cratogeomys varius= (Goldman)
+
+Plains Pocket Gopher; Spanish, Tuza Llanera; Tarascan,
+C�mu (Como)
+
+    _Platygeomys varius_ Goldman, Jour. Mamm., 20:90, February 14,
+       1939, type from Uruapan, about 6,000 ft., Michoac�n.
+
+_Range._--Known only from the type locality.
+
+_Remarks._--Specimens from localities intermediate between Uruapan,
+the type locality of _C. varius_, and the known localities of
+occurence of _Cratogeomys gynmurus imparilis_ are much needed to
+ascertain if _C. varius_ is specifically different from _C. g.
+imparilis_, or merely subspecifically different.
+
+
+=Zygogeomys trichopus tarascensis= Goldman
+
+Michoac�n Pocket Gopher; Spanish, Tuza de Michoac�n; Tarascan,
+C�mu (Como)
+
+    _Zygogeomys trichopus tarascensis_ Goldman, Proc. Biol. Soc.
+       Washington, 51:211, December 23, 1938, type from six miles
+       southeast of P�tzcuaro, 8,000 ft., Michoac�n.
+
+    _Zygogeomys trichopus_ Merriam, N. Amer. Fauna, 8:196,
+       January 31, 1895.
+
+_Range._--"Known only from the upper slopes of the mountains in the
+vicinity of the type locality" (Goldman, 1938:211).
+
+_Remarks._--As we drove an automobile from P�tzcuaro to Tac�mbaro we
+noted mounds made by pocket gophers along the road in the highest part
+of the pass and supposed that these mounds were made by _Zygogeomys_
+although we took no specimens of any kind of pocket gopher in the
+pass.
+
+
+=Zygogeomys trichopus trichopus= Merriam
+
+Michoac�n Pocket Gopher; Spanish, Tuza de Michoac�n; Tarascan,
+C�mu (Como)
+
+    _Zygogeomys trichopus_ Merriam, N. Amer. Fauna, 8:196, pl. 6,
+       14-18, January 31, 1895, type from Nahuatzin, Michoac�n.
+
+_Range._--Altitudinally from 6,000 feet to 11,800 feet on Mountains
+Tanc�taro, Patamb�n, and at Nahuatzin.
+
+_Specimens examined_, 9: nos. 51970-51978, all from Mount Tanc�taro,
+distributed by altitude as follows: 6,000 ft., 5; 7,800 ft., 3; 10,500
+ft., 1.
+
+_Remarks._--The upper parts of specimens available to us are rich
+Seal-Brown and glossy. The chin, and in most specimens, the upper side
+of the hind feet are white; the irregular white patch of the throat is
+present only in two young females, numbers 51974 and 51978.
+
+
+=Liomys pictus plantinarensis= Merriam
+
+Western Spiny Pocket Mouse; Spanish, Rat�n Espinoso Occidental;
+Tarascan word for mouse is Jey�qui (Hayake)
+
+    _Liomys plantinarensis_ Merriam, Proc. Biol. Soc. Washington,
+       15:46, March 5, 1902, type from Plantinar, Jalisco.
+
+    _Liomys pictus plantinarensis_, Goldman, N. Amer. Fauna,
+       34:37, September 7, 1911.
+
+_Range._--Northwestern part of state in semitropical areas.
+
+_Remarks._--Goldman (1911:38) records specimens from Los Reyes, noting
+that in some cranial features they suggest intergradation between _L.
+p. plantinarensis_ and _L. p. parviceps_.
+
+
+=Liomys pictus parviceps= Goldman
+
+Western Spiny Pocket Mouse; Spanish, Rat�n Espinoso Occidental
+
+    _Liomys parviceps_ Goldman, Proc. Biol. Soc. Washington,
+       17:82, March 21, 1904, type from La Salada, "40 miles south
+       of Uruapan, Michoac�n."
+
+    _Liomys pictus parviceps_ Goldman, N. Amer. Fauna, 34:38-39,
+       September 7, 1911.
+
+_Range._--Southern part of state in semitropical and tropical areas.
+
+_Specimens examined_, 28: nos. 100185-100199, 52072-52084, distributed
+by localities as follows: Apatzingan, 1,040 ft., 13; 1 mi. E and 2-1/2
+mi. S Tac�mbaro, 4,700 ft., 4; 4 mi. S and 1 mi. E Tac�mbaro, 4,500
+ft., 5; 1 mi. E and 6 mi. S Tac�mbaro, 4,000 ft., 6.
+
+_Remarks._--Most measurements show a sexual dimorphism in this
+subspecies. Adult males are 15 per cent larger in external
+measurements except that the foot is approximately the same. Cranial
+measurements average approximately 5 per cent larger in males except
+that the breadth of the rostrum and length of the maxillary tooth-row
+are slightly less. South and east of Tac�mbaro our specimens all were
+taken in dry semitropical country, where bananas and sugar cane were
+the principal crops grown. This subspecies has been recorded also from
+La Huacana, Michoac�n, as well as from La Salada, the type locality,
+by Goldman (1911:39).
+
+
+=Liomys irroratus jaliscensis= (Allen)
+
+Northern Spiny Pocket Mouse; Spanish, Rat�n Norte�o
+
+    _Heteromys jaliscensis_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       22:251, July 25, 1906, type from Las Canoas, approximately
+       20 mi. W Zapotl�n, 7,000 ft., Jalisco.
+
+    _Liomys irroratus jalicensis_, Goldman, N. Amer. Fauna, 34:60,
+       September 7, 1911.
+
+_Range._--Northwestern part of state.
+
+_Specimens examined_, 3: nos. 120273-120275 (U. S. Nat. Mus.) from
+Zamora.
+
+_Remarks._--As explained in detail by Hall and Villa (1948:254) these
+specimens from Zamora are intergrades between _L. i. jaliscensis_
+and _L. i. acutus_ and with almost equal propriety could be referred
+to either subspecies.
+
+
+=Liomys irroratus acutus= Hall and Villa
+
+Northern Spiny Pocket Mouse; Spanish, Rat�n Norte�o
+
+    _Liomys irroratus acutus_ Hall and Villa, Univ. Kansas Publ.,
+       Mus. Nat. Hist., 1:253, figs. 4-6, July 26, 1948, type from
+       2 mi. W P�tzcuaro, 7,700 ft., Michoac�n.
+
+    _Liomys irroratus alleni_, Goldman, N. Amer. Fauna, 34:57,
+       September 7, 1911, part.
+
+_Range._--P�tzcuaro and vicinity.
+
+_Specimens examined_, 16: nos. 100170-100184 and 50356 (U. S. N. M.),
+distributed, with reference to P�tzcuaro, as follows: 3 mi. NW, 6,700
+ft., 1; 2 mi. W, 7,700 ft., 5; 2 mi. W, 6,700 ft., 2; P�tzcuaro
+itself, 1; 5 mi. S, 7,800 ft., 7.
+
+_Remarks._--None of the eight females contained embryos. Two adult
+males weigh, in grams, 71.5 and 65.1; the average and extreme weights
+for five adult females are 50.8 (44.8-61.8).
+
+
+=Liomys irroratus alleni= (Coues)
+
+Northern Spiny Pocket Mouse; Spanish, Rat�n Norte�o
+
+    _Heteromys alleni_ Coues, Bull. Mus. Comp. Zo�l., 8:187,
+       March, 1881, type from R�o Verde, San Luis Potos�, M�xico.
+
+    _Liomys irroratus alleni_ Goldman, N. Amer. Fauna, 34:56,
+       September 7, 1911.
+
+_Range._--Northeastern part of state.
+
+_Specimens examined_, 5: nos. 50325-50329 (U. S. Nat. Mus.) from
+Quer�ndaro.
+
+_Remarks._--The specimens from Quer�ndaro are not typical of the
+subspecies _L. i. alleni_ in that the shape of the interparietal bone
+and width of the basisphenoid bone are almost exactly intermediate
+between the conditions obtaining in typical _L. i. alleni_ and
+topotypes of _L. i. acutus_.
+
+
+=Reithrodontomys megalotis saturatus= Allen and Chapman
+
+Western Harvest Mouse; Spanish, Rat�n Orejudo
+
+    _Reithrodontomys saturatus_ Allen and Chapman, Bull. Amer.
+       Mus. Nat. Hist., 9:201, June 16, 1897, type from Las Vigas,
+       Veracruz.
+
+    _Reithrodontomys megalotis saturatus_, Howell, N. Amer. Fauna,
+       36:36, June 5, 1914.
+
+_Range._--Northeastern part of state.
+
+_Specimens examined_, 12: nos. 100202-100212, 100273, from 1 mi. N
+Zamora, 5,450 ft.
+
+_Remarks._--Howell (1914:37) referred nine specimens from Nahuatzin to
+this race and two from the same place to the subspecies _R. m.
+zacatecae_. Our specimens from Zamora agree with topotypes of _R. m.
+saturatus_ and with specimens of that subspecies from the Valley of
+M�xico in dark color and large size.
+
+If our specimens of _Reithrodontomys megalotis_ are correctly
+identified, subspecifically, _R. m. zacatecae_ ranges southward around
+the western end of the geographic range of _R. m. saturatus_.
+
+Where _R. megalotis_ and _R. fulvescens_ occur together, we find the
+skull of the latter to be distinguishable by: a median spine on the
+posterior border of the hard palate (truncate in _R. megalotis_); an
+S-shaped instead of a C-shaped pattern on the worn occlusal face of
+the last lower molar; and two re-entrant angles, on the lateral side
+on the worn occlusal surface of the third upper molar, reaching
+halfway across the tooth whereas in _R. megalotis_ the anterior
+re-entrant angle is wanting or extends less than a third of the way
+across the crown surface of the tooth.
+
+
+=Reithrodontomys megalotis zacatecae= Merriam
+
+Western Harvest Mouse; Spanish, Rat�n Orejudo
+
+    _Reithrodontomys megalotis zacatecae_ Merriam, Proc.
+       Washington Acad. Sci., 3:557, November 29, 1901, type from
+       Valparaiso Mountains, Zacatecas.
+
+_Range._--From northwestern part of state south through its central
+part.
+
+_Specimens examined_, 53: nos. 100217-100269; distributed by
+localities, with reference to P�tzcuaro, as follows: 3 mi. N,
+6,700 ft., 3; 3 mi. N, 6,800 ft., 1; 3-1/2 mi. S, 7,900 ft., 3; 4 mi.
+S, 7,800 ft., 31; 5 mi. S, 7,800 ft., 9; 9 mi. SE, 8,000 ft., 6.
+
+_Remarks._--Howell (1914:40) has referred four specimens from Patamb�n
+to this subspecies, and our large series from the vicinity of
+P�tzcuaro is also referred to _R. m. zacatecae_ because of small size
+and reddish (less blackish) color. We lack typical specimens of _R. m.
+zacatecae_ from the type locality for comparison and our knowledge of
+_zacatecae_ is derived from Howell's (1914:39) description of it.
+
+Average measurements of 5 adult males of _R. m. zacatecae_ from the
+P�tzcuaro area showing much wear on the teeth compared with those of
+five specimens from the Zamora area, of corresponding sex and age of
+_R. m. saturatus_ reveal the smaller size of _R. m. zacatecae_. Total
+length, 157, 166; length of tail, 84, 84; length of hind foot, 19.6,
+20.1; length of ear from notch in flesh, 14.8, 14.0; basilar length,
+16.2, 16.6; length of nasals, 8.3, 8.5; zygomatic breadth, 11.1, 11.5;
+mastoid breadth, 9.9, 10.2; breadth of rostrum, 3.8, 4.0; interorbital
+construction, 3.2, 3.1; alveolar length of maxillary tooth-row, 3.5,
+3.5; length of rostrum, 7.7, 8.0.
+
+
+=Reithrodontomys fulvescens tenuis= Allen
+
+Fulvous Harvest Mouse; Spanish, Rat�n Moreno
+
+    _Reithrodontomys tenuis_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       12:15, March 4, 1899, type from Rosario, Sinaloa.
+
+    _Reithrodontomys fulvescens tenuis_, Howell, N. Amer. Fauna,
+       36:45, June 5, 1914.
+
+_Range._--Western part of state.
+
+_Specimens examined_, 27: nos. 100213-100216, 100274-100277,
+100293-100311, distributed by localities as follows: 11 mi. W Zamora,
+5,750 ft., 2; 6-1/2 mi. W Zamora, 5,950 ft., 2; 6 mi. W Zamora, 5,950
+ft., 4; 1-1/2 mi. SSE Tac�mbaro, 5,700 ft., 2; 1-3/4 mi. S Tac�mbaro,
+5,700 ft., 1; 1 mi. E and 2-1/2 mi. S Tac�mbaro, 7; 4 mi. S and 1 mi.
+E Tac�mbaro, 4,700 ft., 5; 1 mi. E and 5 mi. S Tac�mbaro, 4,000 ft.,
+1; 1 mi. E and 6 mi. S Tac�mbaro, 4,000 ft., 3.
+
+_Remarks._--Of the 19 specimens from the vicinity of Tac�mbaro, only
+two have the underparts reddish as does _R. f. inexspectatus_. The
+upper parts are less reddish than in _R. f. inexspectatus_ but more
+reddish and less blackish than in _R. f. toltecus_ from the valley of
+M�xico or than in _R. f. toltecus_ from Zamora. The external
+measurements and cranial measurements are less than in _R. f.
+toltecus_ or _R. f. inexspectatus_ and are as small as, or even
+smaller than, those of _R. f. tenuis_ to the northward or than those
+of _R. f. nelsoni_ to the westward. Relying only on printed
+descriptions of _R. f. tenuis_ and _R. f. nelsoni_, we are inclined to
+refer our specimens to _R. f. tenuis_ although the reddish color, we
+suppose, is evidence of intergradation with _R. f. nelsoni_ and _R. f.
+inexspectatus_.
+
+The four skins from Zamora are gray, as opposed to reddish, both above
+and below and in this respect they agree with the description of _R.
+f. tenuis_. They are lighter-colored (grayer) than either _R. f.
+toltecus_ or _R. f. inexspectatus_. The four specimens from Zamora are
+larger than animals from the vicinity of Tac�mbaro and average
+slightly smaller than topotypes of _R. f. inexspectatus_.
+
+By identifying our specimens as _R. f. inexspectatus_ and _R. f.
+tenuis_, we are left without any specimens that we, ourselves, have
+examined, which are referable to the subspecies _R. f. toltecus_. The
+specimens from Los Reyes which Howell (1914:47) referred to _R. f.
+toltecus_ have not been seen by us, and we guess, on the criteria used
+by us, that the animals would be referable to _R. f. tenuis_. Because
+Dr. Emmet T. Hooper has a revisionary study of the Mexican
+_Reithrodontomys_ underway, we have not attempted to bring together
+all of the pertinent material from different collections as would be
+required for an ideally thorough analysis of the geographic variation
+in _Reithrodontomys megalotis_ and _Reithrodontomys fulvescens_.
+
+As illustrative of statements made concerning the average size of
+_Reithrodontomys fulvescens_, the following measurements, all of
+specimens with much wear on each of the molar teeth, are recorded.
+
+Table headings:
+ A: Number averaged or catalogue No.
+ B: Sex
+ C: Total length
+ D: Length of tail
+ E: Length of hind foot
+ F: Basilar length
+ G: Length of nasals
+ H: Zygomatic breadth
+ I: Mastoid breadth
+ J: Alveolar length of maxillary tooth-row
+
+ =========================================================================
+  LOCALITY          A     B     C    D    E     F     G    H     I     J
+ -------------------------------------------------------------------------
+ Vall. Mex.         3  [M][M]  200  114  22.0  17.6  9.3  12.0  10.7  3.7
+ P�tzcuaro          5  [M][M]  170  101  20.6  16.7  8.7  11.6  10.6  3.7
+ Zamora        100215     [M]  153   82  19.0  15.9  7.8  10.9  10.3  3.5
+ Zamora        100275     [M]  184  101  21.0  16.5  8.0  11.1  10.4  3.6
+ Tac�mbaro          5  [M][M]  159   91  19.4  15.5  8.0  10.5   9.6  3.3
+ Vall. Mex.         3  [F][F]  184  103  21.0  16.6  8.7  11.4  10.6  3.6
+ P�tzcuaro          5  [F][F]  182  104  21.6  16.8  8.6  11.6  10.5  3.6
+ Zamora             5  [F][F]  159   91  19.0  16.0  8.4  11.4  10.0  3.5
+ Tac�mbaro          5  [F][F]  149   87  18.6  14.9  7.7  10.4   9.5  3.4
+ -------------------------------------------------------------------------
+ Note: [M] = Male and [F] = Female.
+
+
+=Reithrodontomys fulvescens inexspectatus= Elliot
+
+Fulvous Harvest Mouse; Spanish, Rat�n Moreno
+
+    _Rhithrodontomys inexspectatus_ Elliot, Field Columb. Mus.
+       zo�l. ser., 3:145, February, 1903, type from P�tzcuaro,
+       Michoac�n.
+
+    _Reithrodontomys fulvescens toltecus_, Howell, N. Amer. Fauna,
+       36:51, June 5, 1914, part.
+
+_Range_.--Central Michoac�n; limits of range unknown.
+
+_Specimens examined_, 15: nos. 100278-100292, distributed by
+localities as follows: 3 mi. N P�tzcuaro, 6,800 ft., 6; 3 mi. NW
+P�tzcuaro, 6,700 ft., 3; 2 mi. W P�tzcuaro, 7,600 ft., 2; 2 mi. W
+P�tzcuaro, 7,700 ft., 4.
+
+_Remarks_.--Howell (1914:51) made _R. inexspectatus_ Elliot a synonym
+of _R. f. toltecus_ and perhaps we should follow him in this. The
+facts are that in our large series from the vicinity of P�tzcuaro, the
+upper parts are more reddish than in _R. f. toltecus_ from the valley
+of M�xico, and more reddish than in _R. f. tenuis_ if we correctly
+interpret Howell's (_op. cit._,:45) description of _R. f. tenuis_. In
+the color of the underparts the series is, to us, indistinguishable
+from topotypical _toltecus_ and therefore has more reddish underparts
+than _R. f. tenuis_, as we know _R. f. tenuis_, from Howell's (_loc.
+cit._) description. In size, the series from P�tzcuaro is intermediate
+between _R. f. tenuis_ and _R. f. toltecus_ but nearer the latter.
+
+
+=Reithrodontomys chrysopsis chrysopsis= Merriam
+
+Volcano Harvest Mouse; Spanish, Rat�n Dorado
+
+    _Reithrodontomys chrysopsis_ Merriam, Proc. Biol. Soc.
+       Washington, 13:152, June 13, 1900, type from Mount
+       Popocatepetl, M�xico.
+
+    _Reithrodontomys chrysopsis chrysopsis_, Howell, N. Amer.
+       Fauna, 36:66, June 5, 1914.
+
+_Range._--Patamb�n, 1,200 feet elevation as now known.
+
+_Remarks._--Howell (1914:68) lists nine specimens from Patamb�n. We
+have not examined these specimens. He listed at the same time seven of
+the specimens from Tanc�taro, but we have found specimens from
+Tanc�taro to be of another subspecies, _R. c. seclusus_. Accordingly,
+we are in doubt as to whether the mice from Patamb�n are subspecies
+_chrysopsis_, _seclusus_, or an unnamed subspecies and our use here of
+the name _Reithrodontomys chrysopsis chrysopsis_ for them is, of
+course, provisional.
+
+
+=Reithrodontomys chrysopsis seclusus= Hall and Villa
+
+Volcano Harvest Mouse; Spanish, Rat�n Dorado
+
+    _Reithrodontomys chrysopsis seclusus_ Hall and Villa, Proc.
+       Biol. Soc. Washington, 62: 163, August 23, 1949, type from
+       Mount Tanc�taro, 7,800 ft., Michoac�n.
+
+    _Reithrodontomys chrysopsis chrysopsis_, Howell, N. Amer.
+       Fauna, 36:66, June 5, 1914, part.
+
+_Range._--Known only from Mount Tanc�taro, from 6,000 feet elevation
+up to at least 11,000 feet.
+
+_Specimens examined_, 22: nos. 51407-51411, 52110-52126, all from
+Mount Tanc�taro, distributed by altitude as follows: 6,000 ft., 5;
+7,800 ft., 10; 10,500 ft., 1; 11,000 ft., 1; no altitude recorded, 5.
+
+_Remarks._--The 22 specimens in the Chicago Natural History Museum are
+remarkably uniform in color in spite of differences in age; 17 are so
+young as to have the first upper molar only slightly worn and 5 are
+adults. In preparing the original description of _R. c. seclusus_,
+known only from specimens in the summer pelage, comparison of color
+was made with only the winter pelage of _R. c. chrysopsis_ and it was
+pointed out that the differences noted in color between the two
+subspecies might be seasonal rather than subspecific. A summer
+specimen of _R. c. chrysopsis_ (K. U. 17980, taken on June 15, 12 km.
+ESE Amecameca, 11,500 ft.), is available as the present account is
+being written. In direct comparison with the original material of _R.
+c. seclusus_, all in summer pelage, and in comparison with a specimen
+of _R. c. chrysopsis_ in winter pelage (January 18), from 30 km. E
+Amecameca, the summer pelage of no. 17980 is more blackish than the
+winter pelage and therein more closely resembles that of _R. c.
+seclusus_. The same is true of the more sparsely haired tail. The
+ears, however, are blackish as in winter-taken _R. c. chrysopsis_.
+This feature and also the large size and different cranial proportions
+of specimen no. 17980 are in accordance with the differences between
+_R. c. chrysopsis_ and _R. c. seclusus_ as recorded in the original
+description of the latter.
+
+
+=Baiomys taylori analogus= (Osgood)
+
+Northern Pygmy Mouse; Spanish, Rat�n Pigmeo Norte�o
+
+    _Peromyscus taylori analogus_ Osgood, N. Amer. Fauna, 28:256,
+       April 17, 1909, type from Zamora, Michoac�n.
+
+    _Baiomys taylori analogus_, Miller, N. Amer. Land. Mamm.,
+       1911, p. 137, December 31, 1912.
+
+_Range._--Northwestern part of state.
+
+_Specimens examined_, 35: nos. 100331-100365, distributed by
+localities as follows: 8 mi. N Zamora, 5,500 ft., 2; 11 mi. W Zamora,
+5,750 ft., 1; 6-1/2 mi. W Zamora, 5,950 ft., 2; 4 mi. W Zamora, 5,450
+ft., 1; 3 mi. NW P�tzcuaro, 6,700 ft., 21; 3 mi. N P�tzcuaro, 6,800
+ft., 5; 2 mi. W P�tzcuaro, 6,700 ft., 3.
+
+_Remarks._--Osgood (1909:257) has recorded this subspecies also from
+Ac�mbaro and Los Reyes. We found that these animals got caught in our
+traps almost as often in the daytime as at night and concluded that
+they were less nocturnal, or at any rate more diurnal, than any of the
+other cricetine mice at the places in Michoac�n where we trapped.
+
+
+=Baiomys musculus musculus= (Merriam)
+
+Tropical Pygmy Mouse; Spanish, Rat�n Pigmeo Tropical
+
+    _Sitomys musculus_ Merriam, Proc. Biol. Soc. Washington,
+       7:170, September 29, 1892, type from Colima, Colima.
+
+    _Peromyscus musculus_, Allen and Chapman, Bull. Amer. Mus.
+       Nat. Hist., 9:203, June 16, 1897.
+
+    _Baiomys musculus_, Mearns, U. S. Nat. Mus. Bull., 56:381,
+       April 13, 1907.
+
+_Range._--Dry, tropical, southwestern parts of state.
+
+_Specimens examined_, 41: nos. 100366-100406; distributed by
+localities as follows: 1-3/4 mi. S Tac�mbaro, 5,700 ft., 1; 1 mi. E
+and 2-1/2 mi. S Tac�mbaro, 4,700 ft., 11; 4 mi. S and 1 mi. E
+Tac�mbaro, 10; 1 mi. E and 5 mi. S Tac�mbaro, 4,000 ft., 1; 6 mi. S
+Tac�mbaro, 4,000 ft., 4; 1 mi. E and 6 mi. S Tac�mbaro, 4,000 ft., 14.
+
+_Remarks._--Osgood (1909:258) has recorded this subspecies also from
+La Huacana and La Salada. Three adult males with much worn teeth
+weigh, in grams, 8.3, 9.3, and 10.8. Weights of three adult,
+nonpregnant, females are 8.1, 9.4, and 9.7. None of our 13 females was
+pregnant.
+
+
+=Peromyscus maniculatus labecula= Elliot
+
+Deermouse; Spanish, Rat�n Cuatralvo
+
+    _Peromyscus labecula_ Elliot, Field Columb. Mus., zo�l. ser.,
+       3:143, February (March?), 1903, type from Ocotlan, Jalisco.
+
+    _P[eromyscus]. s[onoriensis]. labecula_, Osgood, Proc. Biol.
+       Soc. Washington, 17:57, March 21, 1904.
+
+_Range._--Northwestern part of state.
+
+_Specimens examined_, 59: nos. 51402-51406, 52175, 52176,
+100407-100447, 100484; and 1366-1368, 1370-1372, 1374-1377, of
+Bernardo Villa R., distributed by localities as follows: Tanc�taro, 7;
+11 mi. W Zamora, 5,750 ft., 3; 2 mi. W P�tzcuaro, 7,700 ft., 4; 3-1/2
+mi. S P�tzcuaro, 7,800 ft., 2; 4 mi. S P�tzcuaro, 7,800 ft., 3; 5 mi.
+S P�tzcuaro, 7,800 ft., 24; 9 mi. SE P�tzcuaro, 8,000 ft., 6; 1-1/2
+km. N San Juan, 2,250 M., 3; 1 km. NNE San Juan, 2,250 M., 7.
+
+_Remarks._--The zygomatic arches are less widely flaring in specimens
+from Tanc�taro than in those from P�tzcuaro.
+
+
+=Peromyscus perfulvus= Osgood
+
+Marsh Mouse; Spanish, Rat�n Bre�ero
+
+    _Peromyscus perfulvus_ Osgood, Jour. Mamm., 26:299, November
+       14, 1945, type from 10 kilometers west of Apatzingan,
+       1,040 ft., Michoac�n.
+
+_Range._--Known only from the semitropical Life-zone in western
+Michoac�n.
+
+_Specimens examined_, 5: nos. 100593, 100595, 100597, 100598, and
+100600, all from 1 mi. E and 6 mi. S Tac�mbaro, 4,000 ft.
+
+_Remarks._--J. R. Alcorn took these specimens between fields of sugar
+cane in tall (5 ft. high) grass growing in a belt 10 feet or so wide
+along side a stream, which a person could step across. The one adult,
+no. 100597, was recognized at the time of capture as different from
+any other species known to us, by reason of the long, unicolored,
+sparsely-haired tail and nearly clear Cinnamon Rufous color above,
+white underparts, white feet, and dark brown ears. The four other
+specimens in darker immature pelage are plumbeous and cinnamon whereas
+immature individuals of comparable age of _Peromyscus banderanus_
+caught in the same place are plumbeous above and lack the cinnamon
+color. The immature animals of the two species differ in color more
+than do the adults. Osgood (1945:300) has recorded eleven specimens
+from the type locality. Our one adult weighs 52.4 grams.
+
+
+=Peromyscus boylii evides= Osgood
+
+Brush Mouse; Spanish, Rat�n de Chaparral
+
+    _Peromyscus spicilegus evides_ Osgood, Proc. Biol. Soc.
+       Washington, 17:64, March 21, 1904, type from Juquila, Oaxaca.
+
+    _Peromyscus boylei evides_ Osgood, N. Amer. Fauna, 28:152,
+       April 17, 1909.
+
+_Range._--Northern part of state.
+
+_Specimens examined_, 22: nos. 100450-100471, distributed by
+localities as follows: 1-1/2 mi. SSE Tac�mbaro, 5,700 ft., 16; 1-3/4
+mi S Tac�mbaro, 5,700 ft., 1; 1 mi. E and 2-1/2 mi. S Tac�mbaro, 4,700
+ft., 5.
+
+_Remarks._--Osgood (1909:153) recorded 31 specimens from Los Reyes.
+Weights recorded by the collectors of our specimens for 13 males from
+the vicinity of Tac�mbaro, are 24.8 (17.2-37.1) and for 9 females 25.0
+(20.0-31.5) grams. These weights include those of subadults as well as
+those of adults.
+
+
+=Peromyscus boylii levipes= Merriam
+
+Brash Mouse; Spanish, Rat�n de Chaparral
+
+    _Peromyscus levipes_ Merriam, Proc. Biol. Soc. Washington,
+       12:123, April 30, 1898, type from Mount Malinche, Tlaxcala.
+
+    _Peromyscus boylei levipes_, Osgood, N. Amer. Fauna, 28:153,
+       April 17, 1909.
+
+_Range._--Probably central-eastern part of state.
+
+_Remarks._--Osgood (1909:155) records one specimen of this subspecies
+from P�tzcuaro.
+
+
+=Peromyscus hylocetes= Merriam
+
+Woods Mouse; Spanish, Rat�n Ocotero
+
+    _Peromyscus hylocetes_ Merriam, Proc. Biol. Soc. Washington,
+       12:124, April 30, 1898, type from P�tzcuaro, 7,000 feet,
+       Michoac�n; Osgood, N. Amer. Fauna, 28:159, pl. 3, fig. 8,
+       April 17, 1909.
+
+_Range._--Mountainous parts of state.
+
+_Specimens examined_, 24: nos. 100472, 100542, both from 9 mi. SE
+P�tzcuaro at 8,000 feet altitude; 1358-1365 of Bernardo Villa R., from
+Cerro Curitzar�n, 3.5 km. NNW San Juan, 2,200 M.; 52178, 52185,
+52187-52192, 52197, 52198, 52203, 52213-52215, from Tanc�taro at
+elevations of 6,000 to 10,000 ft.
+
+_Remarks._--All of the specimens were taken in pine forest. The old
+male from nine miles southeast of P�tzcuaro weighs 43.7 grams and the
+younger male from there 35 grams. The adults from Tanc�taro have
+longer diastemae and some have the braincase more prolonged
+posteriorly, than in specimens from the vicinities of San Juan and
+P�tzcuaro but individual variation is considerable and we are unable
+to differentiate some of the adults from Tanc�taro from those from
+elsewhere.
+
+
+=Peromyscus truei gratus= Merriam
+
+Pi�on Mouse; Spanish, Rat�n Pi�onero
+
+    _Peromyscus gratus_ Merriam, Proc. Biol. Soc. Washington,
+       12:123, April 30, 1898, type from "Tlalpam," D. F.
+
+    _Peromyscus sagax_ Elliot, Field Columb. Mus., Chicago, zo�l.
+       ser., 3:142, February, 1903, type from La Palma, Michoac�n.
+
+    _Peromyscus pavidus_ Elliot, Field Columb. Mus., Chicago,
+       zo�l. ser., 3:142, February, 1903, type from P�tzcuaro,
+       Michoac�n.
+
+    _Peromyscus zelotes_ Osgood, Proc. Biol. Soc. Washington,
+       17:67, March 21, 1904, type from Quer�ndaro, Michoac�n.
+
+    _Peromyscus truei gratus_, Osgood, N. Amer. Fauna, 28:173,
+       April 17, 1909.
+
+_Range._--Northern part of state.
+
+_Specimens examined_, 42: nos. 100448, 100473-100483, 100485-100509,
+8700, 8702, 8703, 8896, 8897, distributed by localities as follows: 8
+mi. N Zamora, 5,500 ft., 2; 11 mi. W Zamora, 5,750 ft., 11; 6-1/2 mi.
+W Zamora, 5,950 ft., 4; 6 mi. W Zamora, 5,950 ft., 4; Rio Duaro, 9 mi.
+E Zamora, 5,500 ft., 1; 3 mi. N P�tzcuaro, 6,800 ft., 1; 3 mi. NW
+P�tzcuaro, 6,700 ft., 10; 1-1/2 mi. NW P�tzcuaro, 6,700 ft., 1; 2 mi.
+W P�tzcuaro, 6,700 ft., 3; P�tzcuaro (Chicago Nat. Hist. Mus.), 5.
+
+_Remarks._--The ear measured from the notch is shortest, 19 (18-21),
+at Zamora, intermediate, 21 (19-23), at P�tzcuaro, and longest, 21.8
+(20-23), at the type locality of _gratus_ in the Valley of M�xico.
+
+
+=Peromyscus melanophrys zamorae= Osgood
+
+Blackish Mouse; Spanish, Rat�n Obscuro
+
+    _Peromyscus melanophrys zamorae_ Osgood, Proc. Biol. Soc.
+       Washington, 17:65, March 21, 1904, type from Zamora,
+       Michoac�n; N. Amer. Fauna, 28:187, April 17, 1909.
+
+_Range._--Northern part of state.
+
+_Remarks._--Insofar as we know, this mouse has been taken in Michoac�n
+only at the type locality.
+
+
+=Peromyscus banderanus banderanus= Allen
+
+Tarascan Mouse; Spanish, Rat�n Tarasco
+
+    _Peromyscus banderanus_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       9:51, March 15, 1897, type from Valle de Banderas, Nayarit;
+       Osgood, Jour. Mamm., 26:300, November 14, 1945.
+
+    _Peromyscus banderanus vicinior_ Osgood, N. Amer. Fauna,
+       28:209, 210, April 17, 1909, part.
+
+_Range._--Northern and eastern parts of state.
+
+_Remarks._--Specimens from Los Reyes referred to the subspecies _P. b.
+vicinior_ by Osgood (1909:209-210) were later characterized by Osgood
+(1945:300) as agreeing with specimens from Zit�cuaro, and Osgood
+(_loc. cit._) thought that those from both Los Reyes and Zit�cuaro
+were not _P. b. vicinior_ but possibly _P. b. banderanus_. He had this
+material set aside for further study when he showed it to one of us
+(Hall) in 1945. It was his intention to revise the entire species (_P.
+banderanus_) but so far we know never did this before his death.
+
+
+=Peromyscus banderanus vicinior= Osgood
+
+Tarascan Mouse; Spanish, Rat�n Tarasco
+
+    _Peromyscus banderanus vicinior_ Osgood, Proc. Biol. Soc.
+       Washington, 17:68, March 21, 1904, type from La Salada,
+       Michoac�n.
+
+_Range._--Hot valleys of western part of state.
+
+_Specimens examined_, 53: nos. 100543-100592, 100594, 100596, 100599,
+distributed by localities, from Tac�mbaro, as follows: 2-1/2 mi. S and
+1 mi. E, 4,700 ft., 21; 4 mi. S and 1 mi E, 4,500 ft., 10; 6 mi. S,
+4,000 ft., 6; 6 mi. S and 1 mi. E, 4,000 ft., 16.
+
+_Remarks._--There is much variation in size in our animals. The three
+largest males weigh, in grams, 67.5, 50.3, 48.9 and corresponding
+figures for the two heaviest, nonpregnant, females are 53.5 and 48.3
+grams. Of the 14 adult females, only one was recorded as having
+embryos; it had two embryos each 24 millimeters in crown to rump
+length. Where we trapped among big boulders and among the roots of
+trees of the genus _Ficus_, _Peromyscus banderanus vicinior_ was the
+only species of the genus taken. _Peromyscus boylii evides_ occurred
+in the less tropical vegetation, altitudinally and zonally above _P.
+b. vicinior_.
+
+
+=Peromyscus melanotis= Allen and Chapman
+
+Black-eared Deermouse; Spanish, Rat�n Monta�ero
+
+    _Peromyscus melanotis_ Allen and Chapman, Bull. Amer. Mus.
+       Nat. Hist., 9:203, June 16, 1897, type from Las Vigas,
+       8,000 ft., Veracruz.
+
+_Range._--Higher mountains throughout state.
+
+_Specimens examined_, 33: nos. 51397-51401, 52142-52166, 52172-52174,
+from Tanc�taro.
+
+_Remarks._--The elevation recorded on the label of one specimen is
+9,000 feet and on the labels of other specimens is no lower than
+10,500 feet and on some is as high as 12,000 feet. The elevation of
+capture is not recorded for two specimens. Osgood (1909:112)
+previously recorded the species from 12,000 feet elevation on Mount
+Tanc�taro.
+
+
+=Oryzomys couesi regillus= Goldman
+
+Tropical Rice Rat; Spanish, Rata Arrocera Tropical; Tarascan word for
+rat is Jey�quihuiri (Hayakewire), or Sarisi
+
+    _Oryzomys couesi regillus_ Goldman, Proc. Biol. Soc.
+       Washington, 28:129, June 29, 1915, type from Los Reyes,
+       Michoac�n; Goldman, N. Amer. Fauna, 43:37, September 23, 1918.
+
+_Range._--Plateau region of Northeast Michoac�n.
+
+_Specimens examined_, 22: nos. 100601-100622, distributed by
+localities as follows: 1 mi. N Zamora, 5,450 ft., 2; 4 mi. W Zamora,
+5,450 ft., 1; 4 mi. S P�tzcuaro, 7,800 ft., 1; 1 mi. E and 6 mi. S
+Tac�mbaro, 4,000 ft., 18.
+
+_Remarks._--The tooth-row is longest in the specimens from Zamora,
+shortest in those from Tac�mbaro and intermediate in length in the one
+specimen from P�tzcuaro. The shorter tooth-row at the lower elevation
+(Tac�mbaro), we interpret as intergradation with _Oryzomys couesi
+mexicanus_. In color the specimens from Tac�mbaro are, to us,
+indistinguishable from those from Zamora and P�tzcuaro but the color
+is notably darker than that of specimens from the vicinity of
+Apatzingan which are here referred to the subspecies _Oryzomys couesi
+mexicanus_. The largest male, fully adult from Zamora weighs 82.9
+grams and the largest one from the vicinity of Tac�mbaro weighs 73.6
+grams.
+
+
+=Oryzomys couesi mexicanus= Allen
+
+Tropical Rice Rat; Spanish, Rata Arrocera Tropical
+
+    _Oryzomys mexicanus_ Allen, Bull. Amer. Mus. Nat. Hist., 9:52,
+       March 15, 1897, type from Hacienda San Marcos, 3,500 ft.,
+       Tonila, Jalisco.
+
+    _Oryzomys couesi mexicanus_, Goldman, N. Amer. Fauna, 43:33,
+    September 23, 1918.
+
+_Range._--Semitropical and tropical western part of the state.
+
+_Specimens examined_, 14: nos. 52018-52023, 52063-52070, from 1,040
+ft., 10 kms., W Apatzingan.
+
+_Remarks._--These specimens are notably paler and have shorter
+tooth-rows than those referred to _O. c. regillus_.
+
+
+=Oryzomys fulvescens lenis= Goldman
+
+Fulvous Rice Rat; Spanish, Rata Arrocera Pigmea
+
+    _Oryzomys fulvescens lenis_ Goldman, Proc. Biol. Soc.
+       Washington, 28:130, June 29, 1915, type from Los Reyes,
+       Michoac�n; N. Amer. Fauna, 43:91, September 23, 1918.
+
+_Range._--Semitropical parts of state.
+
+_Remarks._--The type and one topotype so far as we know are the only
+specimens of this species to have been obtained from the state. The
+size is hardly larger than that of a large _Reithrodontomys_.
+
+
+=Sigmodon melanotis= Bailey
+
+Fulvous Cotton Rat; Spanish, Rata Algodonera Leonada
+
+    _Sigmodon melanotis_ Bailey, Proc. Biol. Soc. Washington,
+       15:114, June 2, 1902, type from P�tzcuaro, 7,000 ft.,
+       Michoac�n.
+
+_Range._--Central Michoac�n, as now known.
+
+_Specimens examined_, 8: nos. 100623-100626, 52089-52092, distributed
+by localities as follows: 2 mi. W P�tzcuaro (7,400 and 7,700 ft.), 2;
+3-1/2 mi. S P�tzcuaro, 7,800 ft., 2; Tanc�taro, 6,000 ft., 4.
+
+_Remarks._--This species was taken along with the species _S.
+hispidus_ two miles west of P�tzcuaro, and can be easily distinguished
+from the latter by the dark reddish as opposed to grayish color of the
+upperparts and by the shorter hind foot (less instead of more than
+32.5 mm.).
+
+
+=Sigmodon hispidus mascotensis= Allen
+
+Hispid Cotton Rat; Spanish, Rata Algodonera Setosa
+
+    _Sigmodon mascotensis_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       9:54, March 15, 1897, type from San Sebasti�n, near Mascota,
+       Jalisco.
+
+    _Sigmodon hispidus mascotensis_, Bailey, Proc. Biol. Soc.
+       Washington, 15:108, June 2, 1902.
+
+_Range._--Larger part of state.
+
+_Specimens examined_, 4: nos. 100629, 3 mi. N P�tzcuaro, 6,700 ft.;
+100630, 2 mi. W P�tzcuaro, 7,700 ft.; 100632, 1-3/4 mi. S Tac�mbaro,
+5,700 ft.; 100631, 6 mi. S and 1 mi. E Tac�mbaro, 4,000 ft.
+
+_Remarks._--Bailey (1902:109) records a "very large" specimen from
+Quer�ndaro. Our specimens have shorter molariform tooth-rows than do
+those from nearer the type locality, for example, those from Tuxpan,
+Las Canoas, and Artenkiki, all three places in Jalisco.
+
+
+=Sigmodon hispidus atratus= Hall
+
+Hispid Cotton Rat; Spanish, Rata Algodonera Setosa
+
+    _Sigmodon hispidus atratus_ Hall, Proc. Biol. Soc. Washington,
+       62:149, August 23, 1949, type from 6-1/2 mi. W Zamora,
+       5,950 ft., Michoac�n.
+
+_Range._--Known only from Zamora and the type locality.
+
+_Specimens examined_, 2: nos. 100628 (the holotype), 6-1/2 mi. W
+Zamora, 5,950 ft.; 120268 (U. S. Nat. Mus., Biol. Surveys Coll.),
+Zamora.
+
+_Remarks._--When the present account first was prepared our specimen
+from six and a half miles west of Zamora was tentatively referred to
+_S. h. mascotensis_. Subsequently a second specimen, from Zamora, was
+found. It agreed with the specimen from six and a half miles west of
+Zamora. Inasmuch as the second specimen agrees with the first and
+since each of the two differs from any previously described kind, a
+name and description were published in time to be inserted in the
+present account. From _S. h. mascotensis_, _S. h. atratus_ differs in
+shorter hind foot, darker upper parts, more densely haired tail,
+shorter skull, more convex dorsal longitudinal outline of skull,
+posteriorly constricted anterior palatine foramina instead of
+parallel-sided foramina, and shorter and less decurved anterior
+process of maxillary arm of zygoma.
+
+
+=Neotomodon alstoni alstoni= Merriam
+
+Volcano Mouse; Spanish, Rat�n de Los Volcanes
+
+    _Neotomodon alstoni_ Merriam, Proc. Biol. Soc. Washington,
+       12:128, April 30, 1898, type from Nahuatzin, 8,500 ft.,
+       Michoac�n.
+
+_Range._--Higher mountains of state.
+
+_Specimens examined_, 22: nos. 52179-52184, 52186, 52193-52196, 52199,
+52200, 52204-52212, all from Mount Tanc�taro, distributed by
+localities as follows: 7,800 ft., 5; 7,850 ft., 3; 10,000 ft., 4;
+10,200 ft., 5; 10,500 ft., 1; 10,800 ft., 1; 11,000 ft., 2; 11,400
+ft., 1.
+
+_Remarks._--The taking of specimens on Mount Tanc�taro extends the
+known geographic range of _Neotomodon_ approximately 75 kilometers to
+the southwestward; the westernmost locality previously known was
+Nahuatzin, the type locality.
+
+
+=Nelsonia goldmani= Merriam
+
+Dwarf Wood Rat; Spanish, Rata Montera Min�scula
+
+    _Nelsonia goldmani_ Merriam, Proc. Biol. Soc. Washington,
+       16:80, May 29, 1903, type from Mount Tanc�taro, Michoac�n.
+
+_Range._--Known only from the type locality.
+
+_Remarks._--In the original description three specimens are recorded
+from the type locality.
+
+
+=Neotoma latifrons= Merriam
+
+White-throated Wood Rat; Spanish, Rata Montera Frentuda
+
+    _Neotoma latifrons_ Merriam, Proc. Biol. Soc. Washington,
+       9:121, July 2, 1894, type from Quer�ndaro, Michoac�n.
+
+_Range._--Known only from the type locality.
+
+
+=Neotoma ferruginea tenuicauda= Merriam
+
+Ferruginous Wood Rat; Spanish, Rata Ferruginosa
+
+    _Neotoma tenuicauda_ Merriam, Proc. Biol. Soc. Washington,
+       7:169, September 29, 1892, type from north slope of Sierra
+       Nevada de Colima, 12,000 ft., Colima.
+
+    _Neotoma ferruginea tenuicauda_, Howell, N. Amer. Fauna,
+       31:73, October 19, 1910.
+
+_Range._--Probably all but southern tropical part of state.
+
+_Specimens examined_, 4: nos. 100633 from 9 mi. SE P�tzcuaro,
+8,000 ft., and 52177, 51390, 51391, from Tanc�taro, the
+elevation being given as 7,850 ft. on no. 52177.
+
+_Remarks._--Our one specimen from 9 miles southeast of P�tzcuaro was
+caught in a small steel trap set at a meat bait.
+
+
+=Microtus mexicanus salvus= Hall
+
+Mexican Meadow Mouse; Spanish, Metorito
+
+    _Microtus mexicanus salvus_ Hall, Univ. Kansas Publ., Mus.
+       Nat. Hist., 1:426, December 24, 1948, type from Mount
+       Tanc�taro, 11,400 ft., Michoac�n.
+
+_Range._--Known only from Mount Tanc�taro at elevations of 7,800 to
+11,400 feet.
+
+_Specimens examined_, 14: nos. 51412, 51413, 52093, 52095-52099, 52101,
+52103-52107, all from Mount Tanc�taro, distributed by elevations as
+follows: 11,400 ft., 8; 11,000 ft., 2; 7,800 ft., 1; no elevation
+recorded, 3.
+
+
+=Microtus mexicanus fundatus= Hall
+
+Mexican Meadow Mouse; Spanish, Metorito
+
+    _Microtus mexicanus fundatus_ Hall, Univ. Kansas Publ., Mus.
+       Nat. Hist., 1:425, December 24, 1948, type from 3-1/2 mi. S.
+       P�tzcuaro, 7,900 ft., Michoac�n.
+
+_Range._--Central part of state.
+
+_Specimens examined_, 59: nos. 100636-100694, distributed, with
+reference to the town of P�tzcuaro, as follows: 3-1/2 mi. S, 7,900 ft.,
+9; 4 mi. S, 7,800 ft., 16; 5 mi. S, 7,800 ft., 26; 9 mi. SE, 8,000 ft., 8.
+
+_Remarks._--Of the 23 females, only one was pregnant. It had two
+embryos. Average and extreme weights of ten adults of each sex, are:
+males, 37.8 (31.5-48.2); females, 38.0 (31.0-48.6) grams. Our
+specimens were trapped in well-defined runways beneath a rail fence
+where there was a growth of grass sufficient to make a cover for the
+runways. Bailey (1900:54-55) has recorded under the name _Microtus
+mexicanus phaeus_ specimens from Nahuatzin which may be referable to
+the subspecies _M. m. fundatus_.
+
+
+=Mus musculus= subsp.?
+
+House Mouse; Spanish, Rat�n Casero
+
+    _Mus musculus_ Linnaeus, Systema Naturae, ed. 10, 1:62, 1758,
+       type from Upsala, Sweden.
+
+_Range._--Probably throughout state.
+
+_Specimens examined_, 4: nos. 100696-100699, of which one is from
+Tac�mbaro, 5,700 ft., and 3 are from 4 mi. S and 1 mi. E Tac�mbaro,
+4,500 ft.
+
+_Remarks._--In each of our specimens the belly is dark, approximately
+as dark as the back. The specimens caught by us were living in the
+wild; that is to say, they were not caught in and around buildings.
+Elliot (1903:141) records the species from P�tzcuaro.
+
+
+=Rattus rattus alexandrinus= (Geoffroy)
+
+Black Rat; Spanish, Rata Negra
+
+    _Mus alexandrinus_ Geoffroy, Catal. Mammif. du Mus. Nat.
+       d'Hist., Paris, p. 192, 1803, type from Alexandria, Egypt.
+
+    _R_[_attus_]. _rattus alexandrinus_, Hinton, Jour. Bombay Nat.
+       Hist. Soc., 26:63, December 20, 1918.
+
+_Range._--Probably throughout tropical and subtropical parts of state;
+recorded also from P�tzcuaro.
+
+_Specimens examined_, 3: nos. 52027, 52033 from Tanc�taro and 8909 from
+P�tzcuaro.
+
+_Remarks._--These specimens answer well to the description of _R. r.
+alexandrinus_ except that no. 8909, taken in May, 1901, by F. E. Lutz,
+has yellowish underparts suggestive of _Rattus rattus frugivorous_. In
+the town of Tac�mbaro we saw a freshly killed rat of this species
+which was all black.
+
+
+=Sylvilagus floridanus subcinctus= (Miller)
+
+Florida Cottontail; Spanish, Conejo de Florida
+
+    _Lepus floridanus subcinctus_ Miller, Proc. Acad, Nat. Sci.
+       Philadelphia, p. 386, October 5, 1899, type from Hacienda El
+       Molino, Negrete, Michoac�n.
+
+    _Sylvilagus floridanus subcinctus_, Lyon, Smiths. Misc. Coll.,
+       45:336, June 15, 1904; Nelson, N. Amer. Fauna, 29:180, August
+       31, 1909.
+
+_Range._--Northeastern part of state.
+
+_Remarks._--Nelson (1909:181) records specimens from Ac�mbaro,
+Quer�ndaro and the type locality.
+
+
+=Sylvilagus floridanus restrictus= Nelson
+
+Florida Cottontail; Spanish, Conejo de Florida
+
+    _Sylvilagus floridanus restrictus_ Nelson, Proc. Biol. Soc.
+       Washington, 20:82, July 22,1907, type from Zapotl�n, Jalisco;
+       Nelson, N. Amer. Fauna, 29:181, August 31, 1909.
+
+_Range._--Forested areas of non-tropical part of state except
+northeastern part.
+
+_Remarks._--Nelson (1909:183) records specimens from Los Reyes,
+P�tzcuaro and Mount Tanc�taro. This species and the Mexican cottontail
+are favorite small game for the rural peoples.
+
+
+=Sylvilagus cunicularis cunicularis= (Waterhouse)
+
+Mexican Cottontail; Spanish, Conejo M�xicano
+
+    _Lepus cunicularis_ Waterhouse, Nat. Hist. Mammalia, 2:132,
+       1848, type from Zacualpan (probably in state of M�xico).
+
+    _Sylvilagus cunicularis_, Nelson, N. Amer. Fauna, 29:239,
+       August 31, 1909.
+
+_Range._--Probably all of state except tropical coastal areas where
+another subspecies of the same species probably will be found to occur.
+
+_Specimens examined_, 2: nos. 51965, 51966, from Tanc�taro, one specimen
+labeled as taken at 6,000 feet altitude.
+
+_Remarks._--Nelson (1909:241) has recorded this rabbit also from
+P�tzcuaro.
+
+
+=Lepus callotis= Wagler
+
+White-sided Jack Rabbit; Spanish, Liebre
+
+    _Lepus callotis_ Wagler, Naturliches System der Amphibien, p.
+       23, 1830, type from southern end of Mexican Tableland; Nelson,
+       N. Amer. Fauna, 29:122, August 31, 1909.
+
+_Range._--Approximately northeastern half of state.
+
+_Remarks._--Nelson (1909:124) records specimens from Los Reyes and
+Quer�ndaro; we did not see any animals of this species in our own
+field work.
+
+
+=Tayassu angulatus humeralis= Merriam
+
+Collared Peccary; Spanish, Jabal� del Collar; Tarascan, c�chjer�mba
+(cucheramba) or Ju�teanapu (whatalanapu)
+
+    _Tayassu angulatus humeralis_ Merriam, Proc. Biol. Soc.
+       Washington, 14:122, July 19, 1901, type from Armer�a, Colima.
+
+_Range._--Approximately southwestern half of state.
+
+_Remarks._--Under date of October 11, 1948, Henry W. Setzer (_in
+litt._) states that four specimens of this species, in the Biological
+Surveys Collection in the United States National Museum, were taken at
+La Salada, by Nelson and Goldman, and bear catalogue numbers 126156,
+126157, 126158 and 126159. No. 126158 is a female taken on March 19,
+1903. The other three specimens are males taken on March 17, 1903. We
+did not see any animals of this species in our own field work, and the
+only materials from Michoac�n actually examined by one of us (Hall)
+are the skulls of nos. 126156 and 126158, referred to above, from the
+Biological Surveys Collection.
+
+
+=Odocoileus virginianus sinaloae= Allen
+
+White-tailed Deer; Spanish, Venado Cola Blanca; Tarascan, As�ni (Ashumi)
+
+    _Odocoileus sinaloae_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       19:613, November 14, 1903, type from. Esquinapa, Sinaloa.
+
+_Range._--Probably statewide.
+
+_Remarks._--Through the courtesy of Dr. A. Remington Kellogg we learn
+that in a manuscript on the deer of the _Odocoileus virginianus_
+group, he and the late Major E. A. Goldman had recorded specimens, in
+the Biological Surveys Collection of the United States National
+Museum, as follows: Nahuatzin, 8,500 ft., nos. 35924/48232, and
+35925/48233; Los Reyes, 5,000 ft., no. 165673; P�tzcuaro, 7,000 ft.,
+no. 35535/47819; and Uruapan, 4,500 ft., no. 13060. We have not
+anywhere seen the name combination _Odocoileus virginianus sinaloae_
+but from the original description we judge that _Odocoileus sinaloae_
+is to be arranged as a geographic race of the wide-ranging species
+_Odocoileus virginianus_ as that species is now understood.
+
+
+=Dasypus novemcinctus mexicanus= Peters
+
+Nine-banded Armadillo; Spanish, Armadillo; Tarascan, Is�ngu (Esingo)
+
+    _Dasypus novemcinctus mexicanus_ Peters, Monatsber. k. preuss.
+       Akad. Wissensch. Berlin, p. 180, 1864 (name restricted by
+       Bailey, N. Amer. Fauna, 25:52, October 24, 1905, to the
+       subspecies occurring at Colima).
+
+_Range._--Probably statewide.
+
+_Specimens examined_, 2; nos. 51392 from Tanc�taro and 51964 from
+Apatzingan, 1,040 ft.
+
+_Remarks._--The female from Tanc�taro is immature as indicated by the
+wide-open sutures between the bones of the skull which in over-all
+length is only 72.8 mm. The male from Tanc�taro is older and the
+over-all length of the skull is 98.33 mm. Geographic considerations
+alone are responsible for our use of the subspecific name _mexicanus_;
+we do not know the morphological features which distinguish
+_mexicanus_ from other named subspecies.
+
+
+
+
+LITERATURE CITED
+
+
+ANDERSEN, K.
+
+    1908. A monograph of the Chiropteran genera, _Uroderma_,
+          _Enchisthenes_, and _Artibeus_. Proc. Zo�l. Soc. London,
+          for 1908:204-319, text figs. 40-58.
+
+
+ALLEN, G. M.
+
+    1916. Bats of the genus Corynorhinus. Bull. Mus. Comp. Zo�l.,
+          Harvard College, 60:333-356, 1 pl., April, 1916.
+
+
+BAILEY, V.
+
+    1900. Revision of American voles of the genus Microtus. N. Amer.
+          Fauna, 17:1-88, 5 pls., 17 figs. in text, June 6, 1900.
+
+    1902. Synopsis of the North American Species of _Sigmodon_. Proc.
+          Biol. Soc. Washington, 15:101-116, June 2, 1902.
+
+
+BENSON, S. B.
+
+    1947. Description of a mastiff bat (genus _Eumops_) from Sonora,
+          Mexico. Proc. Biol. Soc. Washington, 60:133-134, December 31,
+          1947.
+
+
+DAVIS, W. B.
+
+    1944. Notes on Mexican mammals. Jour. Mamm., 25:370-403, 1 fig. in
+          text, December 12, 1944.
+
+
+ELLIOT, D. G.
+
+    1903. A list of a collection of Mexican mammals with descriptions
+          of some apparently new forms. Field Columb. Mus. Pub. No. 71,
+          zo�l. ser., 3(no. 8):141-149, February, 1903.
+
+
+GOLDMAN, E. A.
+
+    1911. Revision of the spiny pocket mice (genera Heteromys and
+          Liomys) N. Amer. Fauna, 34:1-70, 3 pls. 6 figs. in text,
+          September 7, 1911.
+
+    1938. List of the gray foxes of Mexico. Jour. Washington Acad.
+          Sci., 28:494-498, November 15, 1938.
+
+    1942. Notes on the coatis of the Mexican mainland. Proc. Biol.
+          Soc. Washington, 55:79-82, June 25, 1942.
+
+
+HALL, E. R.
+
+    1948. Two new meadow mice from Michoac�n, Mexico. Univ. Kansas
+          Publ. Mus. Nat. Hist., 1:423-427, 6 figs. in text, December
+          24, 1948.
+
+    1949. A new subspecies of cotton rat, Sigmodon hispidus, from
+          Michoac�n, Mexico. Proc. Biol. Soc. Washington, 62:149-150,
+          3 figs. in text, August, 23,1949.
+
+
+HALL, E. R., and VILLA-R., B.
+
+    1948. A new pocket gopher (Thomomys) and a new spiny pocket
+          mouse (Liomys) from Michoac�n, M�xico. Univ. Kansas Publ.,
+          Mus. Nat. Hist., 1:249-255, 6 figs. in, text, July 26, 1948.
+
+    1949. A new harvest mouse from Michoac�n, Mexico. Proc. Biol.
+          Soc. Washington, 62:163-164, August 23, 1949.
+
+
+HOOPER, E. T.
+
+    1946. Two genera of pocket gophers should be congeneric. Jour.
+          Mamm., 27:397-399, November 25, 1946.
+
+
+HOWELL, A. H.
+
+    1906. Revision of the skunks of the genus Spilogale. N. Amer.
+          Fauna, 26:1-55, 10 pls., November 24, 1906.
+
+    1914. Revision of the American harvest mice (Genus
+          Reithrodontomys). N. Amer. Fauna, 36:1-97, 7 pls., 6 figs.
+          in text, June 5, 1914.
+
+    1938. Revision of the North American ground squirrels, with a
+          classification of North American Sciuridae. N. Amer. Fauna,
+          56:1-256, 32 pls. (some colored), 20 figs. in text, May 18,
+          1938.
+
+
+JACKSON, H. H. T.
+
+    1928. A taxonomic revision of the American long-tailed shrews....
+          N. Amer. Fauna, 51:vi+238, 13 pls., 24 figs., July 24, 1928.
+
+
+MARTINEZ, L., and VILLA-R., B.
+
+    1940. Segunda contribucion al conocimiento de los murcielagos
+          Mexicanos--II Estado de Guerrero. Anales d. Inst. Biol.,
+         (Univ.) M�xico. 11:291-361, illustrated, 1940.
+
+
+MILLER, G. S., JR.
+
+    1897. Revision of the North American bats of the family
+          Vespertilionidae. N. Amer. Fauna, 13:1-140, 3 pls., 40 figs.
+          in text, October 16, 1897.
+
+
+MILLER, G. S., JR., and ALLEN, G. M.
+
+    1928. The American bats of the genera Myotis and Pizonyx. U. S.
+          Nat. Mus. Bull., 144:viii+218, 1 pl., 1 fig., 13 maps, May 25,
+          1928.
+
+
+NELSON, E. W.
+
+    1899. Revision of the squirrels of Mexico and Central America.
+          Proc. Washington Acad. Sci., 1:15-110, 2 pls., May 9, 1899.
+
+    1909. The rabbits of North America. N. Amer. Fauna, 29:1-314,
+          13 pls., 19 figs. in text, August 31, 1909.
+
+
+OSGOOD, W. H.
+
+    1909. Revision of the mice of the American genus Peromyscus.
+          N. Amer. Fauna, 28:1-285, 8 pls., 12 figs., April 17, 1909.
+
+    1945. Two new rodents from Mexico. Jour. Mamm., 26:299-301,
+          November 14, 1945.
+
+
+TATE, G. H. H.
+
+    1933. A systematic revision of the marsupial genus _Marmosa_, with
+          a discussion of the adaptive radiation of the murine opossums
+          (_Marmosa_). Bull. Amer. Mus. Nat. Hist., 66:1-250, pls. 1-26,
+          29 figs. in text, August 10, 1933.
+
+
+Transmitted August 30, 1948.
+
+
+
+[Illustration: Union Label]
+
+22-6113
+
+
+
+
+Transcriber's Notes:
+
+_Text_ represents Italic and =Text= represents Bold.
+
+On page 458, _Reithrodontomys fulvescens inexspectatus_ Elliot also
+lists _Rhithrodontomys inexspectatus_ Elliot. Apparently the two genera
+names (Reithrodontomys and Rhithrodontomys) are both 'correct' spellings
+for Harvest Mice.
+
+Numbers and fractional parts are displayed as follows: 1-3/4 = one and
+three quarters; 3-1/2 = three and one half.
+
+
+Typographical Corrections
+
+  Page  Correction
+  ====  ================
+  444   Fanua => Fauna
+  447   costal => coastal
+  451   C�nu => C�mu
+
+
+
+
+
+
+
+End of the Project Gutenberg EBook of An Annotated Check List of the Mammals
+of Michoac�n, M�xico, by Bernardo Villa R. and E. Raymond Hall
+
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+    <title>
+      The Project Gutenberg eBook of An Annotated Check List of the
+        Mammals of Michoac�n, M�xico, by E. Raymond Hall and Bernardo Villa R.
+    </title>
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+<pre>
+
+The Project Gutenberg EBook of An Annotated Check List of the Mammals of
+Michoac�n, M�xico, by Bernardo Villa R. and E. Raymond Hall
+
+This eBook is for the use of anyone anywhere at no cost and with
+almost no restrictions whatsoever.  You may copy it, give it away or
+re-use it under the terms of the Project Gutenberg License included
+with this eBook or online at www.gutenberg.org/license
+
+
+Title: An Annotated Check List of the Mammals of Michoac�n, M�xico
+
+Author: Bernardo Villa R.
+        E. Raymond Hall
+
+Release Date: March 22, 2012 [EBook #39222]
+
+Language: English
+
+Character set encoding: ISO-8859-1
+
+*** START OF THIS PROJECT GUTENBERG EBOOK AN ANNOTATED CHECK LIST OF ***
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+</pre>
+
+
+<div class="fig_center">
+<a name="cover" id="cover"></a>
+<img src="images/cover.jpg" width="293" height="480" alt="" />
+</div>
+
+<p><span class="pagenum"><a name="Page_433" id="Page_433">[433]</a></span></p>
+<div class="center">
+
+<h1 class="mrt2 mrb2">An Annotated Check List of the Mammals<br />
+of Michoac�n, M�xico</h1>
+
+<div class="caption3">BY</div>
+
+<div class="caption2">E. RAYMOND HALL and BERNARDO VILLA R.</div>
+
+<p class="center mrt2 mrb2">University of Kansas Publications<br />
+Museum of Natural History<br />
+<br />
+Volume 1, No. 22, pp. 431-472, 2 plates, 1 figure in text<br />
+December 27, 1949<br />
+<br />
+<br />
+University of Kansas<br />
+LAWRENCE<br />
+1949<br />
+</p>
+</div>
+
+<p><span class="pagenum"><a name="Page_434" id="Page_434">[434]</a></span></p>
+
+<div class="center mrt2 mrb2">
+<p class="center"><span class="smcap">University of Kansas Publications, Museum of Natural History</span><br />
+<br />
+Editors: E. Raymond Hall, Chairman, A. Byron Leonard,<br />
+Edward H. Taylor, Robert W. Wilson<br />
+<br />
+Volume 1, No. 22, pp. 431-472, 2 plates, 1 figure in text<br />
+December 27, 1949<br />
+<br />
+<span class="smcap">University of Kansas</span>
+Lawrence, Kansas<br />
+<br />
+PRINTED BY<br />
+FERD VOILAND, JR., STATE PRINTER<br />
+TOPEKA, KANSAS<br />
+1949<br />
+22-6113</p>
+
+</div>
+
+<p><span class="pagenum"><a name="Page_435" id="Page_435">[435]</a></span></p>
+
+<p class="caption2">An Annotated Check List of the Mammals<br />
+of Michoac�n, M�xico</p>
+
+<p class="caption3"><small>By</small></p>
+
+<p class="caption3">E. RAYMOND HALL and BERNARDO VILLA R.</p>
+
+
+<p class="caption2">INTRODUCTION</p>
+
+<p>When General L�zaro Cardenas was President of the Republic of M�xico,
+encouragement was given by his administration to linguistic groups of
+native American peoples to record in printed form, eventually in their
+native languages, accounts of their cultural accomplishments and
+accounts of the natural resources of the regions concerned. For the
+Tarascan "Empire" centering in the state of Michoac�n, a committee of
+Mexicans and citizens of the United States of America was formed to
+forward these aims. Under the leadership of ethnologists on the
+committee, especially Professor Daniel Rubin F. de la Borbolla and
+Professor Ralph L. Beals, invitations to co�perate in the studies were
+extended to biologists. One of us (Hall) was invited to investigate
+the fauna of native wild mammals. In 1943, assisted by a fellowship
+which Hall at that time held from the John Simon Guggenheim Memorial
+Foundation, and with support from Miss Annie M. Alexander, through the
+University of California Museum of Vertebrate Zo�logy, most of
+March&mdash;March 3 to March 29, 1943&mdash;was spent in the state of Michoac�n.</p>
+
+<p>Bernardo Villa R. of the Instituto de Biolog�a de la Universidad
+de M�xico was a member of the party from March 23 to 27. Previously,
+March 4 to 22, Roberto Alc�ntar from the Universidad de
+Michoac�n, in Morelia, participated in the field work. Mr. J. R.
+Alcorn was active in the collecting from the beginning until he
+entrained for the United States on March 24. The remainder of
+the field party was made up of E. Raymond Hall, his wife Mary F.
+Hall, and their three sons, William Joel, Hubert H., and Benjamin
+D. Hall.</p>
+
+<p>From March 4 to 15 we collected at, and in the vicinity of, P�tzcuaro.
+We were housed in two cottages kindly made available by
+Sr. Efrain Buenrostro, in Campo Turista Janitzio, 200 meters northwest
+of the railroad station in Colonia Revoluci�n. The shore of
+Lake P�tzcuaro, the cultivated fields surrounded by stone fences,
+and the oak and pine forests roundabout provided varied habitats.</p>
+
+<p>From March 16 to 23 we collected in the territory 1 to 6 miles
+<span class="pagenum"><a name="Page_436" id="Page_436">[436]</a></span>
+south of Tac�mbaro, making our headquarters in the Europa Hotel,
+in the town. The steep main street of Tac�mbaro with native pines
+at the upper end descends to plantings of bananas and sugar cane
+at the lower end. Our collecting all was done below (south of) the
+town in the semitropical country and none at all was done above
+(north of) the town.</p>
+
+<p>From March 24 to 27 (three night's trapping) we collected in the
+vicinity of Zamora, making our headquarters in rooms diagonally
+across the street intersection from the Hotel Fenix.</p>
+
+<p>The resulting specimens, approximately 650 in number, were deposited
+in the Museum of Vertebrate Zo�logy at the University of
+California at Berkeley.</p>
+
+<p>A noteworthy coincidence is that on the very day, February 26, on
+which we crossed the international border into M�xico at Laredo, the
+beginning of the new volcano, Paricut�n, was announced in the daily
+press. Our collecting of mammals in Michoac�n was nearly all done in
+sight of the towering white plume of this rapidly heightening volcanic
+cone and frequently our traps were thickly dusted with its wind-borne
+ash. Our eagerness at that time to have stations established for
+observing the effects on vertebrates of the deposition of ash, was
+gratified in that Dr. Robert T. Hatt independently had the same idea
+and such observations at appropriate places and times were begun by
+him and staff members of the Museum of Zo�logy of the University of
+Michigan. One of us, Villa, was privileged to share in these
+observations in the spring of 1947.</p>
+
+<p>This continuing interest in the mammals of Michoac�n has made
+it seem, to us, the more desirable to place on record our findings
+as to kinds and occurrence of species. In doing this we have examined
+the collections made previously on Cerro Tanc�taro and
+vicinity by the field party led by Mr. Harry Hoogstraal from the
+University of Illinois and the Chicago Natural History Museum.
+The specimens of mammals collected by this field party are in the
+Chicago Natural History Museum and we are obliged to Mr. Karl
+P. Schmidt, Mr. Colin C. Sanborn and the late Dr. Wilfred H.
+Osgood for the privilege of studying this material.</p>
+
+<p>Drs. William H. Burt and Emmet T. Hooper, of the Museum of
+Zo�logy of the University of Michigan, lent to us for examination
+five specimens of bats, of as many species, which they had taken
+in Michoac�n. Drs. Remington Kellogg and Henry W. Setzer have
+provided us with data on specimens of deer and peccary from
+Michoac�n which are in the United States National Museum.
+<span class="pagenum"><a name="Page_437" id="Page_437">[437]</a></span>
+Specimens in the Institute of Biology of the University of M�xico
+have been used. Financial provision by the Kansas University
+Endowment Association has enabled us to obtain specimens needed
+for comparison from other parts of M�xico.</p>
+
+<p>In addition to the materials mentioned above we have used published
+references to mammals of Michoac�n and have prepared the
+following lists of kinds of mammals positively known to us to
+occur in the Mexican state of Michoac�n. It is noteworthy that
+specimens recorded in the literature from Ac�mbaro, Michoac�n,
+no longer are to be ascribed to Michoac�n, since a relocation of the
+boundary between the states of Michoac�n and Guanajuato, places
+Ac�mbaro in the latter state.</p>
+
+<p>Our aims were: (1) To record kinds of mammals positively
+known from the state, under the correct scientific name, and vernacular
+names in English, Spanish, and Tarascan. The first Tarascan
+name is given in the spelling used by Tarascans followed by the
+phonetic equivalent in English in parentheses. (2) To indicate the
+geographic range of each kind in the state, and, (3) To record
+miscellaneous information which it is thought probably will be
+useful in one way or another to other students whose work certainly
+will lengthen the list of kinds of mammals known from Michoac�n
+and otherwise add to our knowledge of them.</p>
+
+<p>Several kinds of bats, of which we lack records, certainly occur
+in Michoac�n. Four or five kinds of cats (genus <i>Felis</i>), species of
+the genera <i>Potos</i>, <i>Lutra</i>, <i>Tayra</i>, <i>Grison</i>, and several other kinds of
+mammals of which we now lack positive record, also probably occur
+there; the list of kinds, we expect, will number more than one
+hundred species and subspecies when more intensive collecting has
+been done in the state. In all, we have positive record of 85 kinds
+of native, wild mammals of which specimens have been examined
+or recorded from Michoac�n. Distances and elevations here are
+recorded either in the metric system or in the English system, according
+to the system used on the labels of the specimens concerned.
+Unless otherwise indicated, catalogue numbers of more than 100,000
+are of specimens in the University of California Museum of Vertebrate
+Zo�logy and numbers of less than 100,000 are of the Chicago
+Natural History Museum.</p>
+
+<p><span class="pagenum"><a name="Page_438" id="Page_438">[438]</a></span></p>
+
+<div class="fig_center" style="width: 586px;">
+<img src="images/fig_1.png" width="586" height="507" alt="" title="" />
+<div class="fig_caption"><span class="smcap">Fig. 1.</span> Map of the state of Michoac�n showing place names mentioned in the
+text.</div>
+</div>
+
+
+
+<p class="caption2">ACCOUNTS OF SPECIES AND SUBSPECIES</p>
+
+<div class="species_name">
+<b>Didelphis mesamericana mesamericana</b> Oken<br />
+<br />
+Opossum; Spanish, Tlacuache; Tarascan, Ujk�ri (Ukuri)<br />
+</div>
+
+<div class="species_ref"><i>Did</i>[<i>elphys</i>]. <i>mes-americana</i> Oken, Lehrbuch d. Naturgesch., pt. 3,
+2:1152, 1816, type from northern M�xico.</div>
+
+<div class="species_ref"><i>Didelphis mes-americana</i>, Allen, Bull. Amer. Mus. Nat. Hist., 16:256,
+August 18, 1902.</div>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Statewide.</p>
+
+<p><i>Specimens examined</i>, 7: nos. 100063-100067, 100074, 51396, distributed by localities
+as follows: P�tzcuaro (3 mi. N, 6,700 ft., 1; 2 mi. W, 6,700 ft., 2; 5 mi.
+S, 7,800 ft., 1), 4; Tanc�taro, 1; 1-&#190; mi. S Tac�mbaro, 5,700 ft., 1; 1 mi. E and
+6 mi. S Tac�mbaro, 1.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The coarse overhair is white all the way to the base
+in three specimens but is black in its distal two thirds (white in basal
+third) in four specimens. The overhair, six centimeters anterior to
+the base of the tail, is 83 (80-85) mm. long in the three gray specimens
+(those with white overhair) and 68 (64-72) mm. long in the
+black specimens. The ears and all four feet are black. The tail
+is black in its proximal half and white in its distal half except in<span class="pagenum"><a name="Page_439" id="Page_439">[439]</a></span>
+one specimen in which the distal half is almost as dark as the
+proximal half. Of the two largest specimens, one is a female from
+1&#190; mi. S Tac�mbaro and the other, a male is from 6 mi. S of the
+same place. Measurements are: Total length, &#9794; 810, &#9792; 786;
+length of tail, &#9794; 360, &#9792; 348; length of hind foot, &mdash;, 58; condylobasal
+length, 110.0; 99.6; zygomatic breadth, 68.5; 59.6; length of
+nasals, 59.7, 45.0. The tail amounts to 48, 48 and 47 per cent of the
+total length in specimens from P�tzcuaro; 50 per cent in one from
+Tanc�taro; 45 and 44 per cent in two from Tac�mbaro. The subspecies
+<i>mesamericana</i> probably intergrades with <i>Didelphis virginiana
+virginiana</i> by way of <i>D. m. texensis</i> and <i>D. v. pigra</i>, as Davis
+(1944:375) and other writers suggest, in which case the proper name
+of the subspecies <i>mesamericana</i> would be <i>Didelphis virginiana mesamericana</i>.
+Until intergradation is actually demonstrated, it seems
+best to use the name <i>D. m. mesamericana</i>.</p>
+
+<p>Most of our specimens were caught in steel traps, at meat baits,
+set for small carnivores.</p>
+
+
+<p class="species_name">
+<b>Marmosa canescens canescens</b> (Allen)<br />
+<br />
+Murine Opossum; Spanish, Rat�n Tlacuache<br />
+</p>
+
+<p class="species_ref"><i>Didelphis (Micoureus) canescens</i> Allen, Bull. Amer. Mus. Nat. Hist.,
+5:235, September 22, 1893, type from Santo Domingo de Guzman, Isthmus
+of Tehuantepec, M�xico.</p>
+
+<p class="species_ref"><i>Marmosa canescens</i> Allen, Bull. Amer. Mus. Nat. Hist., 9:58, March
+15, 1897.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Below <i>Quercus</i> belt, probably throughout western half of state.</p>
+
+<p><i>Specimen examined</i>, 1: no. 100062, 1 mi. E and 6 mi. S Tac�mbaro, 4,000 ft.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The one unsexed subadult measures 5.5 mm. from Ml
+to M3 inclusive, which measurement is near the minimum that
+Tate (1933: table 1, Sec. 5) records for this subspecies but larger
+than the maximum that he (<i>loc. cit.</i>) records for the subspecies
+<i>sinaloae</i> which occurs to the northward of Michoac�n. Tate (<i>op.
+cit.</i>:141) lists two other specimens from Los Reyes. Our specimen
+was caught in a mouse trap set in dry grass between a sugar cane field
+and a patch of banana trees.</p>
+
+
+<p class="species_name">
+<b>Sorex saussurei saussurei</b> Merriam<br />
+<br />
+Saussure Shrew; Spanish, Musara�a<br />
+</p>
+
+<p class="species_ref"><i>Sorex saussurei</i> Merriam, Proc. Biol. Soc. Washington, 7:173, September
+29, 1892, type from north slope Sierra Nevada de Colima, approximately
+8,000 feet, Jalisco.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;In and above <i>Quercus</i> belt, probably throughout northeastern half
+of state.</p>
+
+<p><i>Specimens examined</i>, 14: nos. 8688, 52131-52141, 100076, 100077, distributed
+by localities as follows: P�tzcuaro, 1; 4 mi. S P�tzcuaro, 7,800 ft., 2; Mount
+Tanc�taro (7,800 ft., 8; 9,500 ft., 1; 9,600 ft., 1; 10,000 ft., 1), 11.</p>
+</div>
+
+<p><span class="pagenum"><a name="Page_440" id="Page_440">[440]</a></span></p>
+
+<p><i>Remarks.</i>&mdash;Two males from Mount Tanc�taro, with much worn
+teeth, catalogue nos. 52132 and 52138, measure, respectively, as follows:
+Total length, 122, 114; length of tail, 46, 43; length of hind
+foot, 15, 14; condylobasal length, 18.4, 18.3; palatal length, 8.0, 7.3;
+cranial breadth, 9.4, 9.2; least interorbital breadth, 3.7, 3.8; maxillary
+breadth, 5.5, 5.5; maxillary tooth-row, 6.8, 6.7. The long palate
+in no. 52132 and the broad brain case in both specimens appear to be
+only individual variations or possibly variations correlated with the
+advanced age of the two animals since in other features they do not
+differ from specimens which are smaller in these two dimensions.
+Jackson (1928:156) records specimens of this shrew from Mount
+Patamb�n and Nahuatzin.</p>
+
+
+<p class="species_name">
+<b>Cryptotis pergracilis pergracilis</b> (Elliot)<br />
+<br />
+Short-tailed Shrew; Spanish, Musara�a Colicorta<br />
+</p>
+
+<p class="species_ref"><i>Blarina pergracilis</i> Elliot, Field Columb. Mus., publ. 71, zo�l. ser.,
+3:149, February, 1903, type from Ocotlan, Jalisco, M�xico.</p>
+
+<p class="species_ref"><i>Cryptotis pergracilis pergracilis</i>, Miller, Proc. Biol. Soc. Washington,
+24:223, October 31, 1911.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably statewide.</p>
+
+<p><i>Specimen examined</i>, 1: no. 1721 B. Villa R. from Colonia Ibarra, P�tzcuaro.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Our one specimen, originally a mount, proves to have
+a crushed brain case. The specimen was saved on March 10, 1944,
+by P. Luna, who in March, 1943, told one of us (Hall) that many
+of these shrews fell into the cement fish-rearing tanks at the biological
+station situated at Colonia Ibarra, a suburb of P�tzcuaro, on the
+shore of Lake P�tzcuaro. We are indebted to Dr. H. H. T. Jackson
+for examining our specimen and assigning a name to it.</p>
+
+
+<p class="species_name">
+<b>Balantiopteryx plicata</b> Peters<br />
+<br />
+Sac-winged Bat; Spanish, Murci�lago Sacoptero;
+Tarascan word for bat is Huas�s (Wasis)<br />
+</p>
+
+<p class="species_ref"><i>Balantiopteryx plicata</i> Peters, Monatsber. k. preuss. Akad. Wiss.
+Berlin, p. 476, 1867, type from Puntaarenas, Costa Rica.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Statewide.</p>
+
+<p><i>Specimens examined</i>, 2: nos. 52224, 52225, from Apatzingan, 1,040 ft.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;This bat is a cave dweller, not infrequently found
+roosting with other species.</p>
+
+
+<p class="species_name">
+<b>Glossophaga soricina leachii</b> (Gray)<br />
+<br />
+Long-tongued Bat; Spanish, Murci�lago Siricot�ro<br />
+</p>
+
+<p class="species_ref"><i>Monophyllus leachii</i> Gray, Voyage of the Sulphur, Zo�l., 1:18, 1844,
+type from Realejo, Nicaragua.</p>
+
+<p class="species_ref"><i>Glossophaga soricina leachii</i>, Miller, Proc. U. S. Nat. Mus., 46:419,
+December 31, 1913.</p>
+
+<p><span class="pagenum"><a name="Page_441" id="Page_441">[441]</a></span></p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Statewide.</p>
+
+<p><i>Specimens examined</i>, 4: nos. 11377, Univ. Kan., and alcoholic specimens
+nos. 950-952 B. Villa R. field numbers, I. B. (specimens in Instituto de Biolog�a,
+Univ. de M�xico), distributed by localities as follows: Hacienda El Sabino,
+Michoac�n, approximately 25 mi. S Uruapan, 1; El Guayabo, 34 kms. S Uruapan, 3.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Specimens from El Guayabo were taken in a natural
+cave which they shared with <i>Desmodus rotundus murinus</i> and <i>Artibeus
+planirostris planirostris</i>.</p>
+
+<p>The length of the thumb averages 7.4 mm. (7.0 to 7.7). As compared
+with <i>G. s. alticola</i> from northeast Tlaxcala according to the
+description given by Davis (1944:377), our specimens agree with
+<i>alticola</i> in length of thumb. In all other characters they correspond
+to <i>leachii</i>.</p>
+
+
+<p class="species_name">
+<b>Choeronycteris mexicana</b> Tschudi<br />
+<br />
+ongued Bat; Spanish, Murci�lago Carilargo<br />
+</p>
+
+<p class="species_ref"><i>Choeronycteris mexicana</i> Tschudi, Fauna Peruana,
+p. 72, 1844, type from M�xico.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Statewide.</p>
+
+<p><i>Specimens examined</i>, 4: nos. 100078-100081, from 2 mi. W P�tzcuaro, 7,700 ft.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;A colony of 20 or more bats of this species was found
+in a natural cave. Four were caught by hand as they flew about
+after we disturbed them. We returned on the following day, but
+found that all the bats had left.</p>
+
+
+<p class="species_name">
+<b>Leptonycteris nivalis nivalis</b> (Saussure)<br />
+<br />
+Leaf-nosed Bat; Spanish, Murci�lago Leng�ilarga<br />
+</p>
+
+<p class="species_ref"><i>M</i>[=<i>Ischnoglossa</i>]. <i>nivalis</i> Saussure, Revue et Magasin de Zo�logie,
+12(ser. 2):492, November, 1860, type from near snow line on Mount Orizaba.</p>
+
+<p class="species_ref"><i>Leptonycteris nivalis</i>, Miller, Proc. Biol. Soc. Washington, 13:126, April
+6, 1900.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably middle and higher altitudes through state.</p>
+
+<p><i>Specimen examined</i>, 1: no. 91911, Univ. Michigan Mus. Zo�l., from 1050 m.,
+12 miles (on Huetamo Road) south of Tzitzio.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The subspecific name <i>L. n. nivalis</i> is tentatively applied
+to this specimen in the absence of an opportunity to compare
+it directly with the holotype or topotypes of <i>Leptonycteris nivalis
+yerbabuenae</i> Martinez and Villa (1940:291). Unfortunately, the
+materials on which this name, <i>L. n. yerbabuenae</i>, was based all
+were destroyed in 1945 or 1946 while Villa was absent from the
+Institute of Biology of the University of M�xico.</p>
+
+
+<p class="species_name">
+<b>Artibeus planirostris planirostris</b> (Spix)<br />
+<span class="pagenum"><a name="Page_442" id="Page_442">[442]</a></span>
+<br />
+Big Leaf-nosed Bat; Spanish, Murci�lago Zapotero<br />
+</p>
+
+<p class="species_ref"><i>Phyllostoma planirostre</i> Spix, Simiarum et vespertilionum Brasiliensium,
+p. 66, 1823, type from suburbs of Bahia, Brazil.</p>
+
+<p class="species_ref"><i>Artibeus planirostris</i>, Dobson, Catal. Chiroptera, British Mus., p. 515
+(part), 1878.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably southwestern part of state.</p>
+
+<p><i>Specimen examined</i>, 1: no. 945b B. Villa R., field no., I.B., El Guayabo,
+34 kms. S Uruapan.</p>
+
+<p><i>Measurements.</i>&mdash;Head and body, 89.0 mm.; total length of skull to front of
+upper canines, 28.0; mastoid breadth, 15.5; zygomatic breadth, 17.8; maxillary
+width across first upper molars, 13.2; breadth across cingula of upper canines, 7.9;
+greatest length of one ramus of lower jaw including anteriormost incisor tooth,
+19.4; length of upper tooth-row, anterior border of canine to posterior border
+of M2, 10.4; length of lancet (nose-leaf), 9.0; width of lancet, 6.5; width of
+horseshoe, 9.0; forearm, 57.3; 3rd metacarpal, 52.6; 1st (basal) phalanx, 16.0;
+2nd (middle) phalanx, 26.7; 3rd (distal) phalanx, 18.5; 4th metacarpal, 50.7;
+1st (basal) phalanx, 14; 2nd phalanx, 18.8; 5th metacarpal, 54; 1st (basal)
+phalanx, 11.2; 2nd phalanx, 13.2; lower leg, 22.9; foot with claws, 15.2; calcar,
+6.5.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Our single specimen, a female, was caught on July
+28, 1945, by my (B. Villa's) father, Andres Villa, in a natural cave,
+roosting with the individuals of <i>Glossophaga s. leachii</i>. The northernmost
+locality in M�xico from which <i>A. p. planirostris</i> previously
+has been recorded is El Papayo, in the state of Guerrero (Andersen,
+1908:238), approximately 225 kilometers to the southward. <i>A. p.
+planirostris</i> and <i>Artibeus jamaicensis</i> closely resemble each other
+but <i>A. planirostris</i> may be recognized by the presence of a minute
+M3 which is absent in <i>A. jamaicensis</i>. Specimen no. 945b has M3
+present on both sides of the upper jaw. From <i>Artibeus hirsutus</i>,
+known from La Salada, Michoac�n, approximately 40 miles north
+and slightly to the east of El Guayabo, our specimen differs in the
+apparently hairless tibia and interfemoral membrane. The measurements,
+of no. 945b, recorded above, if compared with those given
+by Andersen (1908:246) are seen mostly to fall within the range
+recorded for <i>A. hirsutus</i>. Where measurements are outside this
+range, they fall within the range of those of the larger <i>A. p. planirostris</i>.
+We recognize that the Mexican species of <i>Artibeus</i> are not
+well understood, at least by us.</p>
+
+<p class="species_name">
+<b>Artibeus hirsutus</b> K. Andersen<br />
+<br />
+Leaf-nosed Bat; Spanish, Murci�lago Zapotero<br />
+</p>
+
+<p class="species_ref"><i>Artibeus hirsutus</i> K. Andersen, Ann. and Mag. Nat. Hist., 18(ser. 7):420,
+December, 1906, type from La Salada, Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known from western part of state.</p>
+</div>
+
+<p><span class="pagenum"><a name="Page_443" id="Page_443">[443]</a></span></p>
+
+<p><i>Remarks.</i>&mdash;From Michoac�n, Andersen (1908:247) examined
+three specimens, all from the type locality.</p>
+
+
+<p class="species_name">
+<b>Desmodus rotundus murinus</b> Wagner<br />
+<br />
+Vampire Bat; Spanish, Vampiro<br />
+</p>
+
+<p class="species_ref"><i>D</i>[<i>esmodus</i>]. <i>murinus</i> Wagner, Schreber's S�ugethiere, Suppl., 1:377, 1840,
+type from M�xico.</p>
+
+<p class="species_ref"><i>Desmodus rotundus murinus</i>, Osgood, Field Mus. Nat. Hist., publ. 155,
+zo�l. ser., 10:63, January 10, 1912.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Statewide, except rare or absent at higher altitudes.</p>
+
+<p><i>Specimens examined</i>, 6: nos. 944-949 B. Villa R. field numbers, I.B., El
+Guayabo, 34 kms. S Uruapan.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;This species is colonial; usually it is found in large
+numbers in favorite roosting sites, mainly in natural caves. Four
+of our specimens, caught in July, are females and two are young
+males. One, female, no. 944, has one embryo of 40 mm. in length.</p>
+
+
+<p class="species_name">
+<b>Myotis yumanensis lutosus</b> Miller and Allen<br />
+<br />
+Yuma Myotis; Spanish, Murci�lago de Yuma<br />
+</p>
+
+<p class="species_ref"><i>Myotis yumanensis lutosus</i> Miller and Allen, U. S. Nat. Mus., Bull.,
+144:72, May 25, 1928, type from P�tzcuaro, Michoac�n.</p>
+
+<p class="species_ref"><i>Myotis yumanensis</i>, Miller, N. Amer. Fauna,
+ 13:67, October 16, 1897.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known only from P�tzcuaro and El Molino.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Originally recorded by Miller (1897:67) from P�tzcuaro,
+the animals from central M�xico were named as a new subspecies
+by Miller and Allen (1928:72) who record one specimen
+from El Molino.</p>
+
+
+<p class="species_name">
+<b>Myotis velifer velifer</b> (Allen)<br />
+<br />
+Cave Bat; Spanish, Murci�lago Vespertino<br />
+</p>
+
+<p class="species_ref"><i>Vespertilio velifer</i> J. A. Allen, Bull. Amer. Mus. Nat. Hist., 3:177,
+December 10, 1890, type from Santa Cruz del Valle, Guadalajara, Jalisco.</p>
+
+<p class="species_ref"><i>Myotis velifer velifer</i>, Allen and Miller,
+ U. S. Nat. Mus. Bull., 144:89, May 25, 1928.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Statewide.</p>
+
+<p><i>Specimens examined</i>, 17: nos. 100083-100099, from 3 mi. NW P�tzcuaro,
+6,700 ft.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Our specimens were taken on March 12, 1943, from
+a crevice in the wall of an abandoned chapel where 35 or more
+individuals of both sexes were living. Miller (1897:59) records
+the species from P�tzcuaro and Miller and Allen (1928:91) record
+it from there and also from Lake Chapala, La Palma, Ac�mbaro
+(now in Guanajuato) and Negrete.</p>
+
+<p><span class="pagenum"><a name="Page_444" id="Page_444">[444]</a></span></p>
+
+<p class="species_name">
+<b>Myotis thysanodes thysanodes</b> Miller<br />
+<br />
+Fringed-tailed Myotis; Spanish, Murci�lago Colirugosa<br />
+</p>
+
+<p class="species_ref"><i>Myotis thysanodes</i> Miller, N. Amer. Fauna, 13:80, October 16, 1897,
+type from Old Fort Tejon, Kern County, California.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known only from P�tzcuaro.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;In the original description five specimens are recorded
+from P�tzcuaro and Miller and Allen (1928:127) mention the same
+locality of occurence.</p>
+
+
+<p class="species_name">
+<b>Myotis californicus mexicanus</b> (Saussure)<br />
+<br />
+California Myotis; Spanish, Murci�lago de California<br />
+</p>
+
+<p class="species_ref"><i>V</i>[<i>espertilio</i>]. <i>mexicanus</i> Saussure, Rev. et Mag. de Zo�l., 12 (ser. 2):282,
+1860, type from somewhere in the warmer part of the state of M�xico.</p>
+
+<p class="species_ref"><i>Myotis californicus mexicanus</i>, Miller, N. Amer.
+Fauna, 13:73, October 16, 1897.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known in Michoac�n only from P�tzcuaro.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Specimens from P�tzcuaro are recorded by Miller
+and Allen (1928:160).</p>
+
+
+<p class="species_name">
+<b>Eptesicus fuscus miradorensis</b> (H. Allen)<br />
+<br />
+Big Brown Bat; Spanish, Murci�lago Fusco<br />
+</p>
+
+<p class="species_ref"><i>S</i>[<i>cotophilus</i>]. <i>miradorensis</i> H. Allen, Proc. Acad. Nat. Sci. Philadelphia,
+p. 287, 1866, type from Mirador, Veracruz.</p>
+
+<p class="species_ref"><i>Eptesicus fuscus miradorensis</i>, Miller, N. Amer. Land Mamm., 1911,
+p. 62, December 31, 1912.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably statewide.</p>
+
+<p><i>Specimen examined</i>, 1: no. 91909, Univ. Michigan, Mus. Zo�l., from Rancho
+Escondido, one mile north of Apo, 6,000 feet elevation, June 29, 1947, female
+adult, taken by W. H. Burt.</p>
+</div>
+
+
+<p class="species_name">
+<b>Lasiurus borealis mexicanus</b> (Saussure)<br />
+<br />
+Red Bat; Spanish, Murci�lago Rojizo<br />
+</p>
+
+<p class="species_ref"><i>A</i>[<i>talapha</i>]. <i>mexicana</i> Saussure, Rev. et Mag. de Zo�l., 13(2):97,
+March, 1861, type probably from Veracruz, Puebla or Oaxaca.</p>
+
+<p class="species_ref"><i>Lasiurus borealis mexicanus</i>, Miller, N. Amer. Fauna, 13:111, October
+16, 1897.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably larger part of state.</p>
+
+<p><i>Specimen examined</i>, 1: no. 89446, Univ. Michigan, Mus. Zo�l., from Nuevo
+San Juan (Los Conejos), 5 mi. SW Uruapan, May 23, 1945, by W. H. Burt.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;This specimen, a male with much worn teeth, answers
+well to the description of <i>L. b. mexicanus</i> except that the minute
+premolar between the canine and fourth premolar is missing on
+each side of the upper jaw. This, however, seems the less remarkable
+after examination of 18 skulls of <i>L. b. borealis</i> from the United
+States in two of which these minute premolars are likewise absent;
+one of the two specimens from the United States has unworn teeth
+and the other much worn teeth.<span class="pagenum"><a name="Page_445" id="Page_445">[445]</a></span></p>
+
+
+<p class="species_name">
+<b>Lasiurus cinereus cinereus</b> (Beauvois)<br />
+<br />
+Hoary Bat; Spanish, Murci�lago Pardo<br />
+</p>
+
+<p class="species_ref"><i>Vespertilio cinereus</i> (misspelled <i>linereus</i>) Beauvois, Catal. Raisonn�
+Mus. Peale, Philadelphia, p. 18, 1796, type locality, Philadelphia, Pennsylvania.</p>
+
+<p class="species_ref"><i>Lasiurus cinereus</i>, H. Allen, Monogr. N. Amer. Bats, Smithsonian
+Misc. Colls., 7(1): 12, June, 1864.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Higher elevations throughout state.</p>
+
+<p><i>Specimen examined</i>, 1: no. 89456, Univ. Michigan Mus. Zo�l., from Barranca
+Seca, May 6, 1945, adult male with much worn teeth, obtained by W. H. Burt.</p>
+</div>
+
+
+<p class="species_name">
+<b>Corynorhinus rafinesquii mexicanus</b> G. M. Allen<br />
+<br />
+Long-eared Bat; Spanish, Murci�lago Narigudo<br />
+</p>
+
+<p class="species_ref"><i>Corynorhinus megalotis mexicanus</i> Allen, G. M., Bull. Mus. Comp.
+Zo�l., 60:347, April, 1916, type from "near Pacheco," Chihuahua.</p>
+
+<p class="species_ref"><i>Corynorhinus rafinesquii mexicanus</i>, Miller, U. S. Nat. Mus., Bull.,
+128:83, April 29, 1924.</p>
+
+<p class="species_ref"><i>Corynorhinus macrotis pallescens</i>, Miller, N. Amer. Fauna, 13:52,
+October 16, 1897.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known from only P�tzcuaro.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Miller (1897:53) recorded one specimen from P�tzcuaro
+and Allen (1916:349) merely alludes to Miller's record.</p>
+
+
+<p class="species_name">
+<b>Tadarida mexicana</b> (Saussure)<br />
+<br />
+Mexican Free-tailed Bat; Spanish, Murci�lago Coludo<br />
+</p>
+
+<p class="species_ref"><i>Molossus mexicanus</i> Saussure, Rev. et Mag. de Zo�l., 12:283, July,
+1860, type from Cofre de Perote, 13,000 feet, Veracruz.</p>
+
+<p class="species_ref"><i>Tadarida mexicana</i>, Miller, Bull. U. S.
+ Nat. Mus., 128:86, April 29, 1924.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Statewide.</p>
+
+<p><i>Specimens examined</i>, 12: nos. 100100-100111, distributed by localities as follows:
+1 mi. N Zamora, 5,450 ft., 1; 3 mi. N P�tzcuaro, 6,800 ft., 3; 3 mi. NW
+P�tzcuaro, 6,700 ft., 3; Isla Janitzio, Lago de P�tzcuaro, 6,600 ft., 5.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;This species is widespread in M�xico, ranging from
+sea level to high elevations as at the type locality. In Michoac�n
+most of our specimens were shot as they flew about at early dusk.
+The five from Isla Janitzio were shot as they clung to the roof of a
+cave along with scores of other individuals of the same species.</p>
+
+
+<p class="species_name">
+<b>Eumops underwoodi underwoodi</b> Goodwin<br />
+<br />
+Mastiff Bat; Spanish, Murci�lago Mastin<br />
+</p>
+
+<p class="species_ref"><i>Eumops underwoodi</i> Goodwin, Amer. Mus. Novitates, 1075:2, June
+27, 1940, type from El Pedrero, 6 km. N Chinaela, approximately 3,000
+ft. elevation, Dept. La Paz, Honduras.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known only from Tanc�taro Mtn.</p>
+
+<p><i>Specimen examined</i>, 1: no. 89461, Univ. Michigan Mus. Zo�l., from Rancho
+Escondido, 2 mi. N Apo, Tanc�taro Mtn., &#9792; ad. with much worn teeth, taken
+June 11, 1945, by W. H. Burt.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Selected measurements of this specimen are: Total
+length, 158; ear from notch, 32; mastoid breadth, 16.1; width across<span class="pagenum"><a name="Page_446" id="Page_446">[446]</a></span>
+crowns of M3, 12.6; maxillary tooth-row (from anterior face of
+canine above cingulum to posterior face of M3), 11.8. The total
+length is less than in <i>E. underwoodi</i> or than in <i>Eumops sonoriensis</i>
+Benson (1947:133); the other measurements given above exceed
+those of <i>E. sonoriensis</i> and equal or approach those of <i>E. underwoodi</i>.
+The ears seem not to be connected across the forehead; the
+color is near (<i>l</i>) Bister above and slightly lighter on the underparts.</p>
+
+<p>The specimen is clearly intermediate in size, as it also is geographically,
+between <i>Eumops underwoodi underwoodi</i> Goodwin and
+<i>Eumops underwoodi sonoriensis</i> Benson and gives basis for arranging
+these two named kinds as subspecies of a single species as Benson
+(1947:134) suggested might prove to be necessary. We are not
+certain whether this specimen should be referred to the subspecies
+<i>underwoodi</i> or <i>sonoriensis</i> and probably this uncertainty will remain
+until the range of individual variation in <i>underwoodi</i> is known.</p>
+
+
+<p class="species_name">
+<b>Procyon lotor hernandezii</b> Wagler<br />
+<br />
+Raccoon; Spanish, Mapache; Tarascan, Ap�tze (Apatz)<br />
+</p>
+
+<p class="species_ref"><i>Pr</i>[<i>ocyon</i>] <i>hernandezii</i> Wagler, Isis, 24:514,
+ 1831, type from Valley of M�xico, according to Nelson and Goldman
+ (Proc. Biol. Soc. Washington, 44:17, February 21, 1931).</p>
+
+<p class="species_ref"><i>Procyon lotor hernandezii</i>, Allen, Bull.
+ Amer. Mus. Nat. Hist., 3:176, December 10, 1890.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Statewide.</p>
+
+<p><i>Specimens examined</i>, 2: no. 100113 from 10 mi. ESE Zamora, 5,500 ft., 1;
+no. 52220 from 15 kms. W Apatzingan, 1,040 ft., 1.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;In allusion to its habit of washing its food, in captivity
+at least, before eating it, the Spanish speaking people often
+refer to this species as <i>ositos labadores</i>. The specimen from 10 mi.
+ESE Zamora is a skull without lower jaws or indication of sex.
+Because the racoons damage corn in the roasting ear stage the
+animals are disliked by the farmers, a score of whom sometimes
+band together in an organized hunt to kill the animals. Dogs are
+especially trained to hunt them. In Michoac�n no use is made of
+the pelts.</p>
+
+
+<p class="species_name">
+<b>Nasua narica molaris</b> Merriam<br />
+<br />
+Coati; Spanish, Pizote; Tarascan, Am�tze (Amatz)<br />
+</p>
+
+<p class="species_ref"><i>Nasua narica molaris</i> Merriam, Proc. Biol.
+ Soc. Washington, 15:68, March 22, 1902, type from Manzanillo, Colima;
+ Goldman, Proc. Biol. Soc. Washington, 55:79, June 25, 1942.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably all but higher parts of state.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;We have no positive record of this animal which
+Goldman (1942:79) writes "is widely distributed from Jalisco south
+through Colima, Michoac�n, ... to southwestern Oaxaca."
+<span class="pagenum"><a name="Page_447" id="Page_447">[447]</a></span>
+In the parts of Michoac�n visited by us the Spanish name tej�n
+instead of pizote was used for this animal although in parts of
+M�xico where the badger (<i>Taxidea</i>) occurs, tej�n is, we understand,
+the name used for the badger.</p>
+
+
+<p class="species_name">
+<b>Bassariscus astutus consitus</b> Nelson and Goldman<br />
+<br />
+Ring-tailed Cat; Spanish, Cacomixtle<br />
+</p>
+
+<p class="species_ref"><i>Bassariscus astutus consitus</i> Nelson and
+ Goldman, Jour. Washington Acad. Sci., 22:487, October 19, 1932,
+ type from La Salada, 40 mi. S Uruapan, Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably greater part, or all, of state.</p>
+
+<p><i>Specimen examined</i>, 1: no. 100112 from 3 mi. NW P�tzcuaro, 6,700 ft.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;La Salada and three miles northwest of P�tzcuaro
+are the two localities represented by actual specimens. A live animal,
+at night, was seen one mile east and four miles south of
+Tac�mbaro at 4,500 feet elevation. The young female from three
+miles northwest of P�tzcuaro was trapped at a break in a stone
+fence.</p>
+
+<p>Ring-tailed cats live in the stone walls, crevices and rocky ledges,
+around corn fields and pasture lands.</p>
+
+
+<p class="species_name">
+<b>Mustela frenata leucoparia</b> (Merriam)<br />
+<br />
+Weasel; Spanish, Comadreja; Tarascan, Ap�sr or Apatzee (Apatz)<br />
+</p>
+
+<p class="species_ref"><i>Putorius frenatus leucoparia</i> Merriam,
+ N. Amer. Fauna, 11:29, June 30, 1896, type from P�tzcuaro, Michoac�n.</p>
+
+<p class="species_ref"><i>Mustela frenata leucoparia</i>, Miller, Bull.
+ U. S. Nat. Mus., 79:100, December 31, 1912.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably statewide.</p>
+
+<p><i>Specimens examined</i>, 6: in Biological Surveys Collection of U. S. Nat. Mus.,
+nos. 120304, 125972, 34914/47179, 36855/49239, and 34915/47180; 2014 B. Villa R.,
+I.B., distributed as follows: Zamora, 1; Los Reyes, 1; P�tzcuaro, 4.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;This subspecies of weasel is notable for having, among
+American weasels of any kind, the maximum amount of white on
+the head. When collecting at P�tzcuaro we saw no live specimens
+but were shown several from there that had been recently mounted
+by P. Luna. He regarded the animal as not especially rare.</p>
+
+
+<p class="species_name">
+<b>Spilogale angustifrons angustifrons</b> Howell<br />
+<br />
+Spotted Skunk; Spanish, Zorrillo Manchado<br />
+</p>
+
+<p class="species_ref"><i>Spilogale angustifrons</i> Howell, Proc. Biol. Soc. Washington, 15:242,
+December 16, 1902, type from Tlalpam, D. F.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably all of state except low coastal area.</p>
+
+<p><i>Specimen examined</i>, 1: no. 100126, 3 mi. NW P�tzcuaro, 6,700 ft.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The short tail of our specimen, an adult male, is noteworthy
+as perhaps also is the breadth between the orbits. External<span class="pagenum"><a name="Page_448" id="Page_448">[448]</a></span>
+measurements are 338, 101, 39. It weighed 308 grams. Selected
+cranial measurements are: Basilar length, 44.1; zygomatic breadth,
+32.4; postpalatal length, 26.6; least interorbital breadth, 13.8; height
+of cranium, 16.0. The specimen was trapped in a hole in a stone
+fence. Howell (1906:23), under the name <i>Spilogale gracilis</i>, recorded
+another male from P�tzcuaro.</p>
+
+
+<p class="species_name">
+<b>Mephitis macroura macroura</b> Lichtenstein<br />
+<br />
+Hooded Skunk; Spanish, Zorrillo or Mofeta Rayada; Tarascan,
+Cuitziqui (Kweetzeke)<br />
+</p>
+
+<p class="species_ref"><i>Mephitis macroura</i> Lichtenstein, Darstellung Neuer oder wenig bekannter
+S�ugethiere pl. 46, 1832, type from mountains northwest of
+M�xico City.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Statewide.</p>
+
+<p><i>Specimens examined</i>, 12: nos. 100114-100125, distributed with reference to
+P�tzcuaro, as follows: 3 mi. NW, 6,700 ft., 1; 2 mi. W, 7,600 and 7,000 ft., 2;
+3&#189; mi. S, 7,900 ft., 1; 4 mi. S, 7,800 ft., 2; 5 mi. S, 7,800 ft., 5; 9 mi. SE, 8,000
+ft., 1.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Skunk tracks were abundant in all localities around
+P�tzcuaro. Most of our specimens were caught in steel traps, some
+along the edges of cornfields, others along the highway and along
+the pole fences. Tarascan friends at Colonia Revoluci�n were eager
+to have the bodies of the skunks which we caught. They regarded
+the skunks as a delicacy and told us that this food was reputed to
+be good for a person's blood and complexion.</p>
+
+
+<p class="species_name">
+<b>Conepatus mesoleucus nelsoni</b> Goldman<br />
+<br />
+Hog-nosed Skunk; Spanish, Zorillo Real<br />
+</p>
+
+<p class="species_ref"><i>Conepatus mesoleucus nelsoni</i> Goldman, Jour. Mamm.,
+ 3:41, February 8, 1922, type from Armer�a (near Manzanillo), Colima,
+ 200 ft. altitude.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably greater part, or all, of state.</p>
+
+<p><i>Specimen examined</i>, 1: no. 52217, Tanc�taro, 6,000 ft.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The name <i>C. m. nelsoni</i> is tentatively used for the
+single skin, which is without skull or indication of sex.</p>
+
+
+<p class="species_name">
+<b>Urocyon cinereoargenteus colimensis</b> Goldman<br />
+<br />
+Gray Fox; Spanish, Zorra Gris; Tarascan, C�mihu�tz (Cumewatz)<br />
+</p>
+
+<p class="species_ref"><i>Urocyon cinereoargenteus colimensis</i> Goldman, Jour. Washington Acad.
+Sci., 28:495, November 15, 1938, type from 3 mi. W city of Colima, 1,700
+ft. elevation.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Statewide.</p>
+
+<p><i>Specimens examined</i>, 2: no. 100127, from 1 mi. E and 6 mi. S Tac�mbaro,
+4,000 ft., and no. 51393 from Apatzingan.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The female from southeast of Tac�mbaro, caught on
+March 20, 1943, had two embryos, 28 mm. in length. This female
+was trapped near a small stream. Goldman (1938:497) reported
+7 specimens of <i>U. c. colimensis</i> from the following localities in the
+state: La Huacana, 1; La Salada, 2; Los Reyes, 1; Mount Tanc�taro,
+1; P�tzcuaro, 2.</p>
+
+<div class="caption1">PLATE 4</div>
+
+<div class="fig_center" style="width: 649px; margin-bottom: 1em;">
+<img src="images/pl_4_fig_1.png" width="649" height="364" alt="" title="" />
+<p class="fig_caption"><span class="smcap">Fig. 1.</span> Panoramic view of Lake P�tzcuaro.</p>
+</div>
+
+<div class="fig_center" style="width: 653px; margin-bottom: 1em;">
+<img src="images/pl_4_fig_2.png" width="647" height="522" alt="" title="" />
+<p class="fig_caption"><span class="smcap">Fig. 2.</span> Stuffed skins, in dorsal view, of 6 males of Mephitis macroura
+macroura, all trapped within a radius of 5 miles of P�tzcuaro, to show the
+amount of individual variation in color-pattern. &#215; <sup>1</sup>&frasl;<sub>10</sub>.<br />
+Photo by W. C. Matthews.</p>
+</div>
+
+<div class="caption1">PLATE 5</div>
+
+<div class="fig_center" style="width: 641px; margin-bottom: 1em;">
+<img src="images/pl_5_fig_1.png" width="641" height="360" alt="" title="" />
+<p class="fig_caption"><span class="smcap">Fig. 1.</span> Ungrazed pasture with oaks on slope of El Estribo, 7,700 feet elevation,
+two miles west of the town of P�tzcuaro, Michoac�n. Several species of
+rodents, Liomys, Sigmodon, and Peromyscus were taken abundantly in the
+grass in the immediate foreground. Photo March 16, 1943, by Mary F. Hall.</p>
+</div>
+
+<p><span class="pagenum"><a name="Page_449" id="Page_449">[449]</a></span></p>
+<div class="fig_center" style="width: 641px; margin-bottom: 1em;">
+<img src="images/pl_5_fig_2.png" width="641" height="425" alt="" title="" />
+<p class="fig_caption"><span class="smcap">Fig. 2.</span> Xerophitic vegetation, eleven miles west of Zamora, Michoac�n.
+5,750 feet elevation, where rodents were trapped. Photo March 26, 1943, by
+Mary F. Hall.</p>
+</div>
+
+<p class="species_name">
+<b>Canis latrans cagottis</b> (Hamilton Smith)<br />
+<br />
+Coyote; Spanish, Coyote; Tarascan, Jihu�tz (Hewatz)<br />
+</p>
+
+<p class="species_ref"><i>Lyciscus cagottis</i> Hamilton Smith, Jardine's Naturalist's Library,
+Mamm., 9:164, 1839, type from R�o Fr�o between city of M�xico and
+Puebla.</p>
+
+<p class="species_ref"><i>Canis latrans cagottis</i>, Nelson, Proc. Biol. Soc. Washington, 45:224,
+November 26, 1932.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably most of state.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;On March 27 or 28, 1943, in Morelia, at a gasoline
+filling station, one of us (Hall) saw a freshly killed coyote tied on
+the bumper of the automobile of a Medical Doctor. In response to
+inquiry about the animal the Doctor said that he killed it some 15
+miles northeast of town.</p>
+
+
+<p class="species_name">
+<b>Lynx rufus escuinapae</b> Allen<br />
+<br />
+Bobcat; Spanish, Gato del Monte; Tarascan, Mis�cp�pu (misicpapu)<br />
+</p>
+
+<p class="species_ref"><i>Lynx ruffus escuinapae</i> Allen, Bull. Amer. Mus. Nat. Hist., 19:614, November
+14, 1903, type from Escuinapa, Sinaloa.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably all of state above the Tropical Life-zone.</p>
+
+<p><i>Specimen examined</i>, 1: no. 47818 (U. S. Nat. Mus., Biol. Surv. Coll.), P�tzcuaro.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The skull of the male from P�tzcuaro agrees well with
+those of topotypes of <i>L. r. escuinapae</i> even to the elongate tympanic
+bullae. Because of their elongation the bullae resemble, in some
+degree, those of the ocelot. Natives told us that the gato del monte
+was resident around P�tzcuaro. Four miles south of P�tzcuaro in
+a cornfield at the edge of an area grown up to oak trees and brush,
+tracks were seen that our Indian companion identified as those of
+the gato del monte.</p>
+
+
+<p class="species_name">
+<b>Citellus variegatus variegatus</b> (Erxleben)<br />
+<br />
+Rock Squirrel; Spanish, Ardilla de Pedregal; Tarascan,
+Kuar�ki (Kuaraki)<br />
+</p>
+
+<p class="species_ref">[<i>Sciurus</i>] <i>variegatus</i> Erxleben, Syst. Regni, Anim., 1:421, 1777; type
+locality fixed as Valley of M�xico near the city of M�xico, by Nelson,
+Science, N. S., 8:898, December 23, 1898.</p>
+
+<p class="species_ref">[<i>Citellus</i>] <i>variegatus</i>, Elliot, Field Columb. Mus. Pub., zo�l. ser. 4:148,
+1904.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably in all semi-arid, rocky habitats of the state.</p>
+
+<p><i>Specimens examined</i>, 11: nos. 100128-100135; 51385-51387, distributed by lo<span class="pagenum"><a name="Page_450" id="Page_450">[450]</a></span>calities
+as follows: 1 mi. N Zamora, 5,450 ft., 1; 3 mi. NW P�tzcuaro, 6,700
+ft., 5; 4 mi. S P�tzcuaro, 7,800 ft., 1; 1-&#189; mi. S Tac�mbaro, 5,700 ft., 1; Mount
+Tanc�taro, 1; Pedregal, Tanc�taro, 1; Tanc�taro, 1.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Rock squirrels were seen along rock fences, around
+P�tzcuaro, where they are fairly common. On July 17 and 18,
+1947, at San Juan Parangaricutiro, one of us (Villa) saw these
+squirrels running over the newly formed lava bed which was still
+emitting vapors and which in places (between boulders) was
+emitting heat detectable by the collectors. This is only additional
+evidence of the animal's strong predilection for rocks, boulders and
+cliffs, which has earned for it, in parts of the western United States,
+the vernacular name "rock squirrel" and in M�xico "<i>Ardilla de
+Pedregal</i>."</p>
+
+<p>Howell (1938:138) reported specimens from the following localities:
+Ac�mbaro, 1; Los Reyes, 1; Mount Tanc�taro, 2; P�tzcuaro,
+12; Quer�ndaro, 1; Zamora, 2.</p>
+
+
+<p class="species_name">
+<b>Citellus adocetus adocetus</b> Merriam<br />
+<br />
+Lesser Tropical Ground Squirrel; Spanish, Cuiniqui; Tarascan,
+Kuar�ki (Kuaraki)<br />
+</p>
+
+<p class="species_ref"><i>Citellus adocetus</i> Merriam, Proc. Biol. Soc. Washington, 16:79, May
+29, 1903, type from La Salada, 40 miles south of Uruapan, Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Southern part of state in arid tropical land.</p>
+
+<p><i>Specimens examined</i>, 4: nos. 52000, 52001, 51388, 51389, distributed by localities
+as follows: "Near Tanc�taro," 2; Acahuato, 1; Apatzingan, 1,040 ft., 1.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Ground squirrels of this species are fairly abundant
+in the arid tropical parts of the state. Their burrows are usually
+found on stony areas along small ravines or under mesquite (<i>Prosopis
+juliflora</i>) thickets. The name cuiniqui in use by the Spanish
+speaking population is merely a corruption of the Tarascan name.
+Cuiniqui, therefore, is a particular kind of <i>ardilla terr�cola</i> (ground
+squirrel).</p>
+
+
+<p class="species_name">
+<b>Sciurus poliopus nemoralis</b> Nelson<br />
+<br />
+Michoac�n Squirrel; Spanish, Ardilla arbor�cola; Tarascan,
+Uaku� (Wakqe)<br />
+</p>
+
+<p class="species_ref"><i>Sciurus albipes nemoralis</i> Nelson, Proc. Biol. Soc, Washington, 12:151,
+June 3, 1898, type from P�tzcuaro, Michoac�n.</p>
+
+<p class="species_ref"><i>Sciurus poliopus nemoralis</i> Nelson, Proc. Washington Acad. Sci., 1:50,
+May 9, 1899.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Pine and oak forests of most of state.</p>
+
+<p><i>Specimens examined</i>, 3: nos. 2102 and 2103 Louisiana State University from
+20 mi. E Morelia, 7,300 ft., and no. 1369 B. Villa R. from 1&#189; km. N San Juan
+2,250 meters.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Tree squirrels of this kind have been reported by
+Nelson (1899:51) from P�tzcuaro and Nahuatzin.<span class="pagenum"><a name="Page_451" id="Page_451">[451]</a></span></p>
+
+<p>The young specimen, no. 2102, &#9794;, has the tail slender, resembling
+somewhat that of the <i>S. p. senex</i> from the southward. The underparts
+of the female are Warm Buff, more clearly so on the underside
+of the legs.</p>
+
+
+<p class="species_name">
+<b>Sciurus poliopus senex</b> Nelson<br />
+<br />
+Michoac�n Squirrel; Spanish, Ardilla Arbor�cola; Tarascan,
+Uaku� (Wakqe)<br />
+</p>
+
+<p class="species_ref"><i>Sciurus poliopus senex</i> Nelson, Proc. Biol. Soc. Washington, 17:148,
+October 6, 1904, type from La Salada, 40 mi. S Uruapan.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Lowlands in southern part of state.</p>
+
+<p><i>Specimens examined</i>, 3: nos. 52004, 52014, 52015, distributed by localities as
+follows: Tanc�taro, 6,000 ft., 1; Apatzingan, 1,040 ft., 2.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Specimen number 52014, &#9794;, represents the melanistic
+phase of this subspecies.</p>
+
+<p>The upper parts of the hind legs in this specimen are slightly
+grizzled. The upper side of the tail is vermiculated with whitish
+and the underside of the tail is black.</p>
+
+
+<p class="species_name">
+<b>Thomomys umbrinus pullus</b> Hall and Villa<br />
+<br />
+Southern Pocket Gopher; Spanish, Tuza Serrana; Tarascan, C�mu (C&#335;m&#335;)<br />
+</p>
+
+<p class="species_ref"><i>Thomomys umbrinus pullus</i> Hall and Villa, Univ. Kansas Publ., Mus.
+Nat. Hist., 1:251, July 26, 1948, type from 5 miles south P�tzcuaro, 7,800
+ft., Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known only from pine-covered rolling land three to five miles south
+of P�tzcuaro.</p>
+
+<p><i>Specimens examined</i>, 17: nos. 100136-100152, distributed by localities as follows:
+3 mi. S P�tzcuaro, 7,800 ft., 1; 4 mi. S P�tzcuaro, 7,800 ft., 10; 5 mi. S
+P�tzcuaro, 7,800 ft., 6.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Most of these pocket gophers were caught in areas
+supporting a good growth of pine trees in the same places where
+the much larger pocket gopher, <i>Cratogeomys gymnurus</i>, lived. Concerning
+the individual designated as the type specimen, H. H. Hall
+(field notes) writes that when he was making an excavation to reveal
+the gopher's burrow (5 inches below the surface), he dug deeper
+than was necessary and broke into the burrow of a <i>Cratogeomys</i>
+directly below. Another of us (E. R. Hall) had the same experience
+where the burrow of a <i>Thomomys</i> was approximately six inches
+below ground and that of a <i>Cratogeomys</i> approximately 16 inches
+below the surface of the ground. At the time this arrangement
+led us to wonder if <i>Thomomys</i> was in some sense a "parasite" on
+the larger <i>Cratogeomys</i> by levying on food stores, if <i>Cratogeomys</i>
+has any, but we found no evidence that such was the case and from
+<span class="pagenum"><a name="Page_452" id="Page_452">[452]</a></span>
+our subsequent trapping concluded that the two-story arrangement
+was accidental and not the rule. The habit of burrowing at different
+levels probably was one factor which permitted the two kinds of
+pocket gophers to live in the same area. The average weight of
+these gophers was 86 grams in males and 74 grams in females, or
+only an eighth as much as in <i>Cratogeomys</i>.</p>
+
+
+<p class="species_name">
+<b>Cratogeomys gymnurus imparilis</b> (Goldman)<br />
+<br />
+Plains Pocket Gopher; Spanish, Tuza Llanera; Tarascan,
+C�mu (C&#335;m&#335;)<br />
+</p>
+
+<p class="species_ref"><i>Platygeomys gymnurus imparilis</i>, Goldman, Jour. Mamm., 20:89, February
+14, 1939, type from P�tzcuaro, 7,000 ft., Michoac�n.</p>
+
+<p class="species_ref"><i>Platygeomys tylorhinus</i> Merriam, N. Amer. Fauna, 8:167, pl. 13, fig.
+1, January 31, 1895.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;P�tzcuaro and Tac�mbaro, as now known.</p>
+
+<p><i>Specimens examined</i>, 14: nos. 100153-100166, distributed by localities as follows:
+2 mi. W P�tzcuaro, 7,700 ft., 2; 3 mi. S P�tzcuaro, 7,800 ft., 1; 4 mi. S
+P�tzcuaro, 7,800 ft., 1; 5 mi. S. P�tzcuaro, 7,800 ft., 6; 9 mi. SE P�tzcuaro, 8,000
+ft., 1; 1&#190; mi. S Tac�mbaro, 5,700 ft., 1; 1&#189; mi. S Tac�mbaro, 5,700 ft., 2.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Burrows were common in cultivated fields and along
+the roads and trails on the southern and southeastern side of Lake
+P�tzcuaro. In the vicinity of Tac�mbaro we noted burrows only
+in the area between one and a half and two miles south of town
+where two specimens were taken. As mentioned in the immediately
+preceding account, the small <i>Thomomys umbrinus pullus</i> and the
+large <i>Cratogeomys</i> were found in the same area. The color of our
+specimens varies from Cinnamon-Brown through Prouts Brown
+and in some specimens is Fuscous Black.</p>
+
+<p>Hooper (1946:397) has shown that the genus <i>Platygeomys</i> is not
+generically distinct from the earlier named <i>Cratogeomys</i>. From
+independent study of specimens not examined by Hooper we have
+satisfied ourselves that he is correct in synonymizing <i>Platygeomys</i>
+under <i>Cratogeomys</i>. Average and extreme weights of 4 of each sex
+from 2 to 5 miles south of P�tzcuaro are: &#9794;, 683 (562-819); &#9792;, 558
+(438-707) grams.</p>
+
+
+<p class="species_name">
+<b>Cratogeomys angustirostris</b> (Merriam)<br />
+<br />
+Plains Pocket Gopher; Spanish, Tuza Llanera; Tarascan,
+C�mu (C&#335;m&#335;)<br />
+</p>
+
+<p class="species_ref"><i>Platygeomys tylorhinus angustirostris</i> Merriam, Proc. Biol. Soc. Washington,
+16:81, May 29, 1903, type from Patamb�n, 10,000 ft., Michoac�n.</p>
+
+<p class="species_ref"><i>Platygeomys angustirostris</i>, Goldman, Jour. Mamm., 20:90, February
+14, 1939.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known only from the type locality.</p>
+</div><p><span class="pagenum"><a name="Page_453" id="Page_453">[453]</a></span></p>
+
+
+<p class="species_name">
+<b>Cratogeomys varius</b> (Goldman)<br />
+<br />
+Plains Pocket Gopher; Spanish, Tuza Llanera; Tarascan,
+C�mu (C&#335;m&#335;)<br />
+</p>
+
+<p class="species_ref"><i>Platygeomys varius</i> Goldman, Jour. Mamm., 20:90, February 14, 1939,
+type from Uruapan, about 6,000 ft., Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known only from the type locality.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Specimens from localities intermediate between Uruapan,
+the type locality of <i>C. varius</i>, and the known localities of occurence
+of <i>Cratogeomys gynmurus imparilis</i> are much needed to
+ascertain if <i>C. varius</i> is specifically different from <i>C. g. imparilis</i>,
+or merely subspecifically different.</p>
+
+
+<p class="species_name">
+<b>Zygogeomys trichopus tarascensis</b> Goldman<br />
+<br />
+Michoac�n Pocket Gopher; Spanish, Tuza de Michoac�n; Tarascan,
+C�mu (C&#335;m&#335;)<br />
+</p>
+
+<p class="species_ref"><i>Zygogeomys trichopus tarascensis</i> Goldman, Proc. Biol. Soc. Washington,
+51:211, December 23, 1938, type from six miles southeast of P�tzcuaro,
+8,000 ft., Michoac�n.</p>
+
+<p class="species_ref"><i>Zygogeomys trichopus</i> Merriam, N. Amer. Fauna, 8:196, January 31,
+1895.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;"Known only from the upper slopes of the mountains in the vicinity
+of the type locality" (Goldman, 1938:211).</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;As we drove an automobile from P�tzcuaro to Tac�mbaro
+we noted mounds made by pocket gophers along the road in the
+highest part of the pass and supposed that these mounds were made
+by <i>Zygogeomys</i> although we took no specimens of any kind of
+pocket gopher in the pass.</p>
+
+
+<p class="species_name">
+<b>Zygogeomys trichopus trichopus</b> Merriam<br />
+<br />
+Michoac�n Pocket Gopher; Spanish, Tuza de Michoac�n; Tarascan,
+C�mu (C&#335;m&#335;)<br />
+</p>
+
+<p class="species_ref"><i>Zygogeomys trichopus</i> Merriam, N. Amer. Fauna, 8:196, pl. 6, 14-18,
+January 31, 1895, type from Nahuatzin, Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Altitudinally from 6,000 feet to 11,800 feet on Mountains Tanc�taro,
+Patamb�n, and at Nahuatzin.</p>
+
+<p><i>Specimens examined</i>, 9: nos. 51970-51978, all from Mount Tanc�taro, distributed
+by altitude as follows: 6,000 ft., 5; 7,800 ft., 3; 10,500 ft., 1.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The upper parts of specimens available to us are rich
+Seal-Brown and glossy. The chin, and in most specimens, the upper
+side of the hind feet are white; the irregular white patch of the
+throat is present only in two young females, numbers 51974 and
+51978.<span class="pagenum"><a name="Page_454" id="Page_454">[454]</a></span></p>
+
+
+<p class="species_name">
+<b>Liomys pictus plantinarensis</b> Merriam<br />
+<br />
+Western Spiny Pocket Mouse; Spanish, Rat�n Espinoso Occidental;
+Tarascan word for mouse is Jey�qui (Hayake)<br />
+</p>
+
+<p class="species_ref"><i>Liomys plantinarensis</i> Merriam, Proc. Biol. Soc. Washington, 15:46,
+March 5, 1902, type from Plantinar, Jalisco.</p>
+
+<p class="species_ref"><i>Liomys pictus plantinarensis</i>, Goldman, N. Amer. Fauna, 34:37, September
+7, 1911.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Northwestern part of state in semitropical areas.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Goldman (1911:38) records specimens from Los
+Reyes, noting that in some cranial features they suggest intergradation
+between <i>L. p. plantinarensis</i> and <i>L. p. parviceps</i>.</p>
+
+
+<p class="species_name">
+<b>Liomys pictus parviceps</b> Goldman<br />
+<br />
+Western Spiny Pocket Mouse; Spanish, Rat�n Espinoso Occidental<br />
+</p>
+
+<p class="species_ref"><i>Liomys parviceps</i> Goldman, Proc. Biol. Soc. Washington, 17:82, March
+21, 1904, type from La Salada, "40 miles south of Uruapan, Michoac�n."</p>
+
+<p class="species_ref"><i>Liomys pictus parviceps</i> Goldman, N. Amer. Fauna, 34:38-39, September
+7, 1911.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Southern part of state in semitropical and tropical areas.</p>
+
+<p><i>Specimens examined</i>, 28: nos. 100185-100199, 52072-52084, distributed by localities
+as follows: Apatzingan, 1,040 ft., 13; 1 mi. E and 2&#189; mi. S Tac�mbaro,
+4,700 ft., 4; 4 mi. S and 1 mi. E Tac�mbaro, 4,500 ft., 5; 1 mi. E and 6 mi. S
+Tac�mbaro, 4,000 ft., 6.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Most measurements show a sexual dimorphism in
+this subspecies. Adult males are 15 per cent larger in external
+measurements except that the foot is approximately the same.
+Cranial measurements average approximately 5 per cent larger in
+males except that the breadth of the rostrum and length of the
+maxillary tooth-row are slightly less. South and east of Tac�mbaro
+our specimens all were taken in dry semitropical country, where
+bananas and sugar cane were the principal crops grown. This subspecies
+has been recorded also from La Huacana, Michoac�n, as
+well as from La Salada, the type locality, by Goldman (1911:39).</p>
+
+
+<p class="species_name">
+<b>Liomys irroratus jaliscensis</b> (Allen)<br />
+<br />
+Northern Spiny Pocket Mouse; Spanish, Rat�n Norte�o<br />
+</p>
+
+<p class="species_ref"><i>Heteromys jaliscensis</i> Allen, Bull. Amer. Mus. Nat. Hist., 22:251, July
+25, 1906, type from Las Canoas, approximately 20 mi. W Zapotl�n, 7,000
+ft., Jalisco.</p>
+
+<p class="species_ref"><i>Liomys irroratus jalicensis</i>, Goldman, N. Amer. Fauna, 34:60, September
+7, 1911.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Northwestern part of state.</p>
+
+<p><i>Specimens examined</i>, 3: nos. 120273-120275 (U. S. Nat. Mus.) from Zamora.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;As explained in detail by Hall and Villa (1948:254)
+these specimens from Zamora are intergrades between <i>L. i. jaliscensis</i><span class="pagenum"><a name="Page_455" id="Page_455">[455]</a></span></p>
+
+<p>and <i>L. i. acutus</i> and with almost equal propriety could be referred
+to either subspecies.</p>
+
+
+<p class="species_name">
+<b>Liomys irroratus acutus</b> Hall and Villa<br />
+<br />
+Northern Spiny Pocket Mouse; Spanish, Rat�n Norte�o<br />
+</p>
+
+<p class="species_ref"><i>Liomys irroratus acutus</i> Hall and Villa, Univ. Kansas Publ., Mus. Nat.
+Hist., 1:253, figs. 4-6, July 26, 1948, type from 2 mi. W P�tzcuaro, 7,700
+ft., Michoac�n.</p>
+
+<p class="species_ref"><i>Liomys irroratus alleni</i>, Goldman, N. Amer. Fauna, 34:57, September
+7, 1911, part.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;P�tzcuaro and vicinity.</p>
+
+<p><i>Specimens examined</i>, 16: nos. 100170-100184 and 50356 (U. S. N. M.), distributed,
+with reference to P�tzcuaro, as follows: 3 mi. NW, 6,700 ft., 1; 2 mi.
+W, 7,700 ft., 5; 2 mi. W, 6,700 ft., 2; P�tzcuaro itself, 1; 5 mi. S, 7,800 ft., 7.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;None of the eight females contained embryos. Two
+adult males weigh, in grams, 71.5 and 65.1; the average and extreme
+weights for five adult females are 50.8 (44.8-61.8).</p>
+
+
+<p class="species_name">
+<b>Liomys irroratus alleni</b> (Coues)<br />
+<br />
+Northern Spiny Pocket Mouse; Spanish, Rat�n Norte�o<br />
+</p>
+
+<p class="species_ref"><i>Heteromys alleni</i> Coues, Bull. Mus. Comp. Zo�l., 8:187, March, 1881,
+type from R�o Verde, San Luis Potos�, M�xico.</p>
+
+<p class="species_ref"><i>Liomys irroratus alleni</i> Goldman, N. Amer. Fauna, 34:56, September
+7, 1911.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Northeastern part of state.</p>
+
+<p><i>Specimens examined</i>, 5: nos. 50325-50329 (U. S. Nat. Mus.) from Quer�ndaro.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The specimens from Quer�ndaro are not typical of the
+subspecies <i>L. i. alleni</i> in that the shape of the interparietal bone and
+width of the basisphenoid bone are almost exactly intermediate
+between the conditions obtaining in typical <i>L. i. alleni</i> and topotypes
+of <i>L. i. acutus</i>.</p>
+
+
+<p class="species_name">
+<b>Reithrodontomys megalotis saturatus</b> Allen and Chapman<br />
+<br />
+Western Harvest Mouse; Spanish, Rat�n Orejudo<br />
+</p>
+
+<p class="species_ref"><i>Reithrodontomys saturatus</i> Allen and Chapman, Bull. Amer. Mus. Nat.
+Hist., 9:201, June 16, 1897, type from Las Vigas, Veracruz.</p>
+
+<p class="species_ref"><i>Reithrodontomys megalotis saturatus</i>, Howell, N. Amer. Fauna, 36:36,
+June 5, 1914.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Northeastern part of state.</p>
+
+<p><i>Specimens examined</i>, 12: nos. 100202-100212, 100273, from 1 mi. N Zamora,
+5,450 ft.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Howell (1914:37) referred nine specimens from Nahuatzin
+to this race and two from the same place to the subspecies
+<i>R. m. zacatecae</i>. Our specimens from Zamora agree with topotypes<span class="pagenum"><a name="Page_456" id="Page_456">[456]</a></span>
+of <i>R. m. saturatus</i> and with specimens of that subspecies from the
+Valley of M�xico in dark color and large size.</p>
+
+<p>If our specimens of <i>Reithrodontomys megalotis</i> are correctly identified,
+subspecifically, <i>R. m. zacatecae</i> ranges southward around the
+western end of the geographic range of <i>R. m. saturatus</i>.</p>
+
+<p>Where <i>R. megalotis</i> and <i>R. fulvescens</i> occur together, we find the
+skull of the latter to be distinguishable by: a median spine on the
+posterior border of the hard palate (truncate in <i>R. megalotis</i>); an
+S-shaped instead of a C-shaped pattern on the worn occlusal face
+of the last lower molar; and two re-entrant angles, on the lateral
+side on the worn occlusal surface of the third upper molar, reaching
+halfway across the tooth whereas in <i>R. megalotis</i> the anterior re-*entrant
+angle is wanting or extends less than a third of the way
+across the crown surface of the tooth.</p>
+
+
+<p class="species_name">
+<b>Reithrodontomys megalotis zacatecae</b> Merriam<br />
+<br />
+Western Harvest Mouse; Spanish, Rat�n Orejudo<br />
+</p>
+
+<p class="species_ref"><i>Reithrodontomys megalotis zacatecae</i> Merriam, Proc. Washington
+Acad. Sci., 3:557, November 29, 1901, type from Valparaiso Mountains,
+Zacatecas.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;From northwestern part of state south through its central part.</p>
+
+<p><i>Specimens examined</i>, 53: nos. 100217-100269; distributed by localities, with
+reference to P�tzcuaro, as follows: 3 mi. N, 6,700 ft., 3; 3 mi. N, 6,800 ft., 1;
+3&#189; mi. S, 7,900 ft., 3; 4 mi. S, 7,800 ft., 31; 5 mi. S, 7,800 ft., 9; 9 mi. SE, 8,000
+ft., 6.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Howell (1914:40) has referred four specimens from
+Patamb�n to this subspecies, and our large series from the vicinity
+of P�tzcuaro is also referred to <i>R. m. zacatecae</i> because of small
+size and reddish (less blackish) color. We lack typical specimens
+of <i>R. m. zacatecae</i> from the type locality for comparison and our
+knowledge of <i>zacatecae</i> is derived from Howell's (1914:39) description
+of it.</p>
+
+<p>Average measurements of 5 adult males of <i>R. m. zacatecae</i> from
+the P�tzcuaro area showing much wear on the teeth compared with
+those of five specimens from the Zamora area, of corresponding sex
+and age of <i>R. m. saturatus</i> reveal the smaller size of <i>R. m. zacatecae</i>.
+Total length, 157, 166; length of tail, 84, 84; length of hind foot,
+19.6, 20.1; length of ear from notch in flesh, 14.8, 14.0; basilar
+length, 16.2, 16.6; length of nasals, 8.3, 8.5; zygomatic breadth,
+11.1, 11.5; mastoid breadth, 9.9, 10.2; breadth of rostrum, 3.8, 4.0;
+interorbital construction, 3.2, 3.1; alveolar length of maxillary tooth-row,
+3.5, 3.5; length of rostrum, 7.7, 8.0.<span class="pagenum"><a name="Page_457" id="Page_457">[457]</a></span></p>
+
+
+<p class="species_name">
+<b>Reithrodontomys fulvescens tenuis</b> Allen<br />
+<br />
+Fulvous Harvest Mouse; Spanish, Rat�n Moreno<br />
+</p>
+
+<p class="species_ref"><i>Reithrodontomys tenuis</i> Allen, Bull. Amer. Mus. Nat. Hist., 12:15,
+March 4, 1899, type from Rosario, Sinaloa.</p>
+
+<p class="species_ref"><i>Reithrodontomys fulvescens tenuis</i>, Howell, N. Amer. Fauna, 36:45,
+June 5, 1914.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Western part of state.</p>
+
+<p><i>Specimens examined</i>, 27: nos. 100213-100216, 100274-100277, 100293-100311,
+distributed by localities as follows: 11 mi. W Zamora, 5,750 ft., 2; 6&#189; mi. W
+Zamora, 5,950 ft., 2; 6 mi. W Zamora, 5,950 ft., 4; 1&#189; mi. SSE Tac�mbaro,
+5,700 ft., 2; 1&#190; mi. S Tac�mbaro, 5,700 ft., 1; 1 mi. E and 2&#189; mi. S Tac�mbaro,
+7; 4 mi. S and 1 mi. E Tac�mbaro, 4,700 ft., 5; 1 mi. E and 5 mi. S
+Tac�mbaro, 4,000 ft., 1; 1 mi. E and 6 mi. S Tac�mbaro, 4,000 ft., 3.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Of the 19 specimens from the vicinity of Tac�mbaro,
+only two have the underparts reddish as does <i>R. f. inexspectatus</i>.
+The upper parts are less reddish than in <i>R. f. inexspectatus</i> but
+more reddish and less blackish than in <i>R. f. toltecus</i> from the valley
+of M�xico or than in <i>R. f. toltecus</i> from Zamora. The external
+measurements and cranial measurements are less than in <i>R. f.
+toltecus</i> or <i>R. f. inexspectatus</i> and are as small as, or even smaller
+than, those of <i>R. f. tenuis</i> to the northward or than those of <i>R. f.
+nelsoni</i> to the westward. Relying only on printed descriptions of
+<i>R. f. tenuis</i> and <i>R. f. nelsoni</i>, we are inclined to refer our specimens
+to <i>R. f. tenuis</i> although the reddish color, we suppose, is evidence of
+intergradation with <i>R. f. nelsoni</i> and <i>R. f. inexspectatus</i>.</p>
+
+<p>The four skins from Zamora are gray, as opposed to reddish, both
+above and below and in this respect they agree with the description
+of <i>R. f. tenuis</i>. They are lighter-colored (grayer) than either <i>R. f.
+toltecus</i> or <i>R. f. inexspectatus</i>. The four specimens from Zamora
+are larger than animals from the vicinity of Tac�mbaro and average
+slightly smaller than topotypes of <i>R. f. inexspectatus</i>.</p>
+
+<p>By identifying our specimens as <i>R. f. inexspectatus</i> and <i>R. f.
+tenuis</i>, we are left without any specimens that we, ourselves, have
+examined, which are referable to the subspecies <i>R. f. toltecus</i>. The
+specimens from Los Reyes which Howell (1914:47) referred to <i>R. f.
+toltecus</i> have not been seen by us, and we guess, on the criteria
+used by us, that the animals would be referable to <i>R. f. tenuis</i>.
+Because Dr. Emmet T. Hooper has a revisionary study of the
+Mexican <i>Reithrodontomys</i> underway, we have not attempted to
+bring together all of the pertinent material from different collections
+as would be required for an ideally thorough analysis of the geographic
+variation in <i>Reithrodontomys megalotis</i> and <i>Reithrodontomys
+fulvescens</i>.<span class="pagenum"><a name="Page_458" id="Page_458">[458]</a></span></p>
+
+<p>As illustrative of statements made concerning the average size of
+<i>Reithrodontomys fulvescens</i>, the following measurements, all of
+specimens with much wear on each of the molar teeth, are recorded.</p>
+
+<div class="center">
+<table summary="Avg Size Data">
+<tr>
+  <td class="brdtp2 brdbt smcap">Locality</td>
+  <td class="brdtp2 brdbt">Number averaged<br />or catalogue No.</td>
+  <td class="brdtp2 brdbt">Sex</td>
+  <td class="brdtp2 brdbt">Total length</td>
+  <td class="brdtp2 brdbt">Length of tail</td>
+  <td class="brdtp2 brdbt">Length of hind foot</td>
+  <td class="brdtp2 brdbt">Basilar length</td>
+  <td class="brdtp2 brdbt">Length of nasals</td>
+  <td class="brdtp2 brdbt">Zygomatic breadth</td>
+  <td class="brdtp2 brdbt">Mastoid breadth</td>
+  <td class="brdtp2 brdbt">Alveolar length of<br />maxillary tooth-row</td>
+</tr>
+<tr>
+  <td align="left">Vall. Mex.</td>
+  <td align="center">3</td>
+  <td class="text_rt">&#9794;&#9794;</td>
+  <td class="text_rt1">200</td>
+  <td class="text_rt1">114</td>
+  <td class="text_rt1">22.0</td>
+  <td class="text_rt1">17.6</td>
+  <td class="text_rt1">9.3</td>
+  <td class="text_rt1">12.0</td>
+  <td class="text_rt1">10.7</td>
+  <td class="center">3.7</td>
+</tr>
+<tr>
+  <td class="text_lf">P�tzcuaro</td>
+  <td class="center">5</td>
+  <td class="text_rt">&#9794;&#9794;</td>
+  <td class="text_rt1">170</td>
+  <td class="text_rt1">101</td>
+  <td class="text_rt1">20.6</td>
+  <td class="text_rt1">16.7</td>
+  <td class="text_rt1">8.7</td>
+  <td class="text_rt1">11.6</td>
+  <td class="text_rt1">10.6</td>
+  <td class="center">3.7</td>
+</tr>
+<tr>
+  <td class="text_lf">Zamora</td>
+  <td class="center">100215</td>
+  <td class="text_rt">&#9794;</td>
+  <td class="text_rt1">153</td>
+  <td class="text_rt1">82</td>
+  <td class="text_rt1">19.0</td>
+  <td class="text_rt1">15.9</td>
+  <td class="text_rt1">7.8</td>
+  <td class="text_rt1">10.9</td>
+  <td class="text_rt1">10.3</td>
+  <td class="center">3.5</td>
+</tr>
+<tr>
+  <td class="text_lf">Zamora</td>
+  <td class="center">100275</td>
+  <td class="text_rt">&#9794;</td>
+  <td class="text_rt1">184</td>
+  <td class="text_rt1">101</td>
+  <td class="text_rt1">21.0</td>
+  <td class="text_rt1">16.5</td>
+  <td class="text_rt1">8.0</td>
+  <td class="text_rt1">11.1</td>
+  <td class="text_rt1">10.4</td>
+  <td class="center">3.6</td>
+</tr>
+<tr>
+  <td class="text_lf">Tac�mbaro</td>
+  <td class="center">5</td>
+  <td class="text_rt">&#9794;&#9794;</td>
+  <td class="text_rt1">159</td>
+  <td class="text_rt1">91</td>
+  <td class="text_rt1">19.4</td>
+  <td class="text_rt1">15.5</td>
+  <td class="text_rt1">8.0</td>
+  <td class="text_rt1">10.5</td>
+  <td class="text_rt1">9.6</td>
+  <td class="center">3.3</td>
+</tr>
+<tr>
+  <td class="text_lf">Vall. Mex.</td>
+  <td class="center">3</td>
+  <td class="text_rt">&#9792;&#9792;</td>
+  <td class="text_rt1">184</td>
+  <td class="text_rt1">103</td>
+  <td class="text_rt1">21.0</td>
+  <td class="text_rt1">16.6</td>
+  <td class="text_rt1">8.7</td>
+  <td class="text_rt1">11.4</td>
+  <td class="text_rt1">10.6</td>
+  <td class="center">3.6</td>
+</tr>
+<tr>
+  <td class="text_lf">P�tzcuaro</td>
+  <td class="center">5</td>
+  <td class="text_rt">&#9792;&#9792;</td>
+  <td class="text_rt1">182</td>
+  <td class="text_rt1">104</td>
+  <td class="text_rt1">21.6</td>
+  <td class="text_rt1">16.8</td>
+  <td class="text_rt1">8.6</td>
+  <td class="text_rt1">11.6</td>
+  <td class="text_rt1">10.5</td>
+  <td class="center">3.6</td>
+</tr>
+<tr>
+  <td class="text_lf">Zamora</td>
+  <td class="center">5</td>
+  <td class="text_rt">&#9792;&#9792;</td>
+  <td class="text_rt1">159</td>
+  <td class="text_rt1">91</td>
+  <td class="text_rt1">19.0</td>
+  <td class="text_rt1">16.0</td>
+  <td class="text_rt1">8.4</td>
+  <td class="text_rt1">11.4</td>
+  <td class="text_rt1">10.0</td>
+  <td class="center">3.5</td>
+</tr>
+<tr>
+  <td class="text_lf">Tac�mbaro</td>
+  <td class="center">5</td>
+  <td class="text_rt">&#9792;&#9792;</td>
+  <td class="text_rt1">149</td>
+  <td class="text_rt1">87</td>
+  <td class="text_rt1">18.6</td>
+  <td class="text_rt1">14.9</td>
+  <td class="text_rt1">7.7</td>
+  <td class="text_rt1">10.4</td>
+  <td class="text_rt1">9.5</td>
+  <td class="center">3.4</td>
+</tr>
+<tr>
+  <td class="brdbt"></td>
+  <td class="brdbt"></td>
+  <td class="brdbt"></td>
+  <td class="brdbt"></td>
+  <td class="brdbt"></td>
+  <td class="brdbt"></td>
+  <td class="brdbt"></td>
+  <td class="brdbt"></td>
+  <td class="brdbt"></td>
+  <td class="brdbt"></td>
+  <td class="brdbt"></td>
+</tr>
+</table>
+</div>
+
+
+<p class="species_name">
+<b>Reithrodontomys fulvescens inexspectatus</b> Elliot<br />
+<br />
+Fulvous Harvest Mouse; Spanish, Rat�n Moreno<br />
+</p>
+
+<p class="species_ref"><i>Rhithrodontomys inexspectatus</i> Elliot, Field Columb. Mus. zo�l. ser.,
+3:145, February, 1903, type from P�tzcuaro, Michoac�n.</p>
+
+<p class="species_ref"><i>Reithrodontomys fulvescens toltecus</i>, Howell, N. Amer. Fauna, 36:51,
+June 5, 1914, part.</p>
+
+<div class="smaller">
+<p><i>Range</i>.&mdash;Central Michoac�n; limits of range  unknown.</p>
+
+<p><i>Specimens examined</i>, 15: nos. 100278-100292, distributed by localities as follows:
+3 mi. N P�tzcuaro, 6,800 ft., 6; 3 mi. NW P�tzcuaro, 6,700 ft., 3; 2 mi.
+W P�tzcuaro, 7,600 ft., 2; 2 mi. W P�tzcuaro, 7,700 ft., 4.</p>
+</div>
+
+<p><i>Remarks</i>.&mdash;Howell (1914:51) made <i>R. inexspectatus</i> Elliot a synonym
+of <i>R. f. toltecus</i> and perhaps we should follow him in this.
+The facts are that in our large series from the vicinity of P�tzcuaro,
+the upper parts are more reddish than in <i>R. f. toltecus</i> from the
+valley of M�xico, and more reddish than in <i>R. f. tenuis</i> if we correctly
+interpret Howell's (<i>op. cit.</i>,:45) description of <i>R. f. tenuis</i>. In the
+color of the underparts the series is, to us, indistinguishable from
+topotypical <i>toltecus</i> and therefore has more reddish underparts than<span class="pagenum"><a name="Page_459" id="Page_459">[459]</a></span>
+<i>R. f. tenuis</i>, as we know <i>R. f. tenuis</i>, from Howell's (<i>loc. cit.</i>) description.
+In size, the series from P�tzcuaro is intermediate between
+<i>R. f. tenuis</i> and <i>R. f. toltecus</i> but nearer the latter.</p>
+
+
+<p class="species_name">
+<b>Reithrodontomys chrysopsis chrysopsis</b> Merriam<br />
+<br />
+Volcano Harvest Mouse; Spanish, Rat�n Dorado<br />
+</p>
+
+<p class="species_ref"><i>Reithrodontomys chrysopsis</i> Merriam, Proc. Biol. Soc. Washington,
+13:152, June 13, 1900, type from Mount Popocatepetl, M�xico.</p>
+
+<p class="species_ref"><i>Reithrodontomys chrysopsis chrysopsis</i>, Howell, N. Amer. Fauna, 36:66,
+June 5, 1914.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Patamb�n, 1,200 feet elevation as now known.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Howell (1914:68) lists nine specimens from Patamb�n.
+We have not examined these specimens. He listed at the same
+time seven of the specimens from Tanc�taro, but we have found
+specimens from Tanc�taro to be of another subspecies, <i>R. c. seclusus</i>.
+Accordingly, we are in doubt as to whether the mice from Patamb�n
+are subspecies <i>chrysopsis</i>, <i>seclusus</i>, or an unnamed subspecies and
+our use here of the name <i>Reithrodontomys chrysopsis chrysopsis</i>
+for them is, of course, provisional.</p>
+
+
+<p class="species_name">
+<b>Reithrodontomys chrysopsis seclusus</b> Hall and Villa<br />
+<br />
+Volcano Harvest Mouse; Spanish, Rat�n Dorado<br />
+</p>
+
+<p class="species_ref"><i>Reithrodontomys chrysopsis seclusus</i> Hall and Villa, Proc. Biol. Soc.
+Washington, 62: 163, August 23, 1949, type from Mount Tanc�taro, 7,800 ft.,
+Michoac�n.</p>
+
+<p class="species_ref"><i>Reithrodontomys chrysopsis chrysopsis</i>, Howell, N. Amer. Fauna, 36:66,
+June 5, 1914, part.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known only from Mount Tanc�taro, from 6,000 feet elevation up
+to at least 11,000 feet.</p>
+
+<p><i>Specimens examined</i>, 22: nos. 51407-51411, 52110-52126, all from Mount
+Tanc�taro, distributed by altitude as follows: 6,000 ft., 5; 7,800 ft., 10; 10,500
+ft., 1; 11,000 ft., 1; no altitude recorded, 5.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The 22 specimens in the Chicago Natural History
+Museum are remarkably uniform in color in spite of differences in
+age; 17 are so young as to have the first upper molar only slightly
+worn and 5 are adults. In preparing the original description of
+<i>R. c. seclusus</i>, known only from specimens in the summer pelage,
+comparison of color was made with only the winter pelage of <i>R. c.
+chrysopsis</i> and it was pointed out that the differences noted in color
+between the two subspecies might be seasonal rather than subspecific.
+A summer specimen of <i>R. c. chrysopsis</i> (K. U. 17980,
+taken on June 15, 12 km. ESE Amecameca, 11,500 ft.), is available
+as the present account is being written. In direct comparison with
+the original material of <i>R. c. seclusus</i>, all in summer pelage, and<span class="pagenum"><a name="Page_460" id="Page_460">[460]</a></span>
+in comparison with a specimen of <i>R. c. chrysopsis</i> in winter pelage
+(January 18), from 30 km. E Amecameca, the summer pelage of no.
+17980 is more blackish than the winter pelage and therein more
+closely resembles that of <i>R. c. seclusus</i>. The same is true of the
+more sparsely haired tail. The ears, however, are blackish as in
+winter-taken <i>R. c. chrysopsis</i>. This feature and also the large size
+and different cranial proportions of specimen no. 17980 are in accordance
+with the differences between <i>R. c. chrysopsis</i> and <i>R. c.
+seclusus</i> as recorded in the original description of the latter.</p>
+
+
+<p class="species_name">
+<b>Baiomys taylori analogus</b> (Osgood)<br />
+<br />
+Northern Pygmy Mouse; Spanish, Rat�n Pigmeo Norte�o<br />
+</p>
+
+<p class="species_ref"><i>Peromyscus taylori analogus</i> Osgood, N. Amer. Fauna, 28:256, April
+17, 1909, type from Zamora, Michoac�n.</p>
+
+<p class="species_ref"><i>Baiomys taylori analogus</i>, Miller, N. Amer. Land. Mamm., 1911, p.
+137, December 31, 1912.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Northwestern part of state.</p>
+
+<p><i>Specimens examined</i>, 35: nos. 100331-100365, distributed by localities as follows:
+8 mi. N Zamora, 5,500 ft., 2; 11 mi. W Zamora, 5,750 ft., 1; 6&#189; mi. W
+Zamora, 5,950 ft., 2; 4 mi. W Zamora, 5,450 ft., 1; 3 mi. NW P�tzcuaro, 6,700
+ft., 21; 3 mi. N P�tzcuaro, 6,800 ft., 5; 2 mi. W P�tzcuaro, 6,700 ft., 3.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Osgood (1909:257) has recorded this subspecies also
+from Ac�mbaro and Los Reyes. We found that these animals got
+caught in our traps almost as often in the daytime as at night and
+concluded that they were less nocturnal, or at any rate more diurnal,
+than any of the other cricetine mice at the places in Michoac�n
+where we trapped.</p>
+
+
+<p class="species_name">
+<b>Baiomys musculus musculus</b> (Merriam)<br />
+<br />
+Tropical Pygmy Mouse; Spanish, Rat�n Pigmeo Tropical<br />
+</p>
+
+<p class="species_ref"><i>Sitomys musculus</i> Merriam, Proc. Biol. Soc. Washington, 7:170, September
+29, 1892, type from Colima, Colima.</p>
+
+<p class="species_ref"><i>Peromyscus musculus</i>, Allen and Chapman, Bull. Amer. Mus. Nat.
+Hist., 9:203, June 16, 1897.</p>
+
+<p class="species_ref"><i>Baiomys musculus</i>, Mearns, U. S. Nat. Mus. Bull., 56:381, April 13,
+1907.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Dry, tropical, southwestern parts of state.</p>
+
+<p><i>Specimens examined</i>, 41: nos. 100366-100406; distributed by localities as follows:
+1&#190; mi. S Tac�mbaro, 5,700 ft., 1; 1 mi. E and 2&#189; mi. S Tac�mbaro,
+4,700 ft., 11; 4 mi. S and 1 mi. E Tac�mbaro, 10; 1 mi. E and 5 mi. S Tac�mbaro,
+4,000 ft., 1; 6 mi. S Tac�mbaro, 4,000 ft., 4; 1 mi. E and 6 mi. S Tac�mbaro,
+4,000 ft., 14.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Osgood (1909:258) has recorded this subspecies also
+from La Huacana and La Salada. Three adult males with much
+worn teeth weigh, in grams, 8.3, 9.3, and 10.8. Weights of three
+adult, nonpregnant, females are 8.1, 9.4, and 9.7. None of our 13
+females was pregnant.<span class="pagenum"><a name="Page_461" id="Page_461">[461]</a></span></p>
+
+
+<p class="species_name">
+<b>Peromyscus maniculatus labecula</b> Elliot<br />
+<br />
+Deermouse; Spanish, Rat�n Cuatralvo<br />
+</p>
+
+<p class="species_ref"><i>Peromyscus labecula</i> Elliot, Field Columb. Mus., zo�l. ser., 3:143,
+February (March?), 1903, type from Ocotlan, Jalisco.</p>
+
+<p class="species_ref"><i>P</i>[<i>eromyscus</i>]. <i>s</i>[<i>onoriensis</i>]. <i>labecula</i>, Osgood, Proc. Biol. Soc. Washington,
+17:57, March 21, 1904.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Northwestern part of state.</p>
+
+<p><i>Specimens examined</i>, 59: nos. 51402-51406, 52175, 52176, 100407-100447,
+100484; and 1366-1368, 1370-1372, 1374-1377, of Bernardo Villa R., distributed
+by localities as follows: Tanc�taro, 7; 11 mi. W Zamora, 5,750 ft., 3; 2 mi. W
+P�tzcuaro, 7,700 ft., 4; 3&#189; mi. S P�tzcuaro, 7,800 ft., 2; 4 mi. S P�tzcuaro,
+7,800 ft., 3; 5 mi. S P�tzcuaro, 7,800 ft., 24; 9 mi. SE P�tzcuaro, 8,000 ft., 6;
+1&#189; km. N San Juan, 2,250 M., 3; 1 km. NNE San Juan, 2,250 M., 7.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The zygomatic arches are less widely flaring in specimens
+from Tanc�taro than in those from P�tzcuaro.</p>
+
+
+<p class="species_name">
+<b>Peromyscus perfulvus</b> Osgood<br />
+<br />
+Marsh Mouse; Spanish, Rat�n Bre�ero<br />
+</p>
+
+<p class="species_ref"><i>Peromyscus perfulvus</i> Osgood, Jour. Mamm., 26:299, November 14,
+1945, type from 10 kilometers west of Apatzingan, 1,040 ft., Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known only from the semitropical Life-zone in western Michoac�n.</p>
+
+<p><i>Specimens examined</i>, 5: nos. 100593, 100595, 100597, 100598, and 100600, all
+from 1 mi. E and 6 mi. S Tac�mbaro, 4,000 ft.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;J. R. Alcorn took these specimens between fields of
+sugar cane in tall (5 ft. high) grass growing in a belt 10 feet or so
+wide along side a stream, which a person could step across. The
+one adult, no. 100597, was recognized at the time of capture as
+different from any other species known to us, by reason of the long,
+unicolored, sparsely-haired tail and nearly clear Cinnamon Rufous
+color above, white underparts, white feet, and dark brown ears. The
+four other specimens in darker immature pelage are plumbeous and
+cinnamon whereas immature individuals of comparable age of
+<i>Peromyscus banderanus</i> caught in the same place are plumbeous
+above and lack the cinnamon color. The immature animals of the
+two species differ in color more than do the adults. Osgood (1945:300)
+has recorded eleven specimens from the type locality. Our
+one adult weighs 52.4 grams.</p>
+
+
+<p class="species_name">
+<b>Peromyscus boylii evides</b> Osgood<br />
+<br />
+Brush Mouse; Spanish, Rat�n de Chaparral<br />
+</p>
+
+<p class="species_ref"><i>Peromyscus spicilegus evides</i> Osgood, Proc. Biol. Soc. Washington,
+17:64, March 21, 1904, type from Juquila, Oaxaca.</p>
+
+<p class="species_ref"><i>Peromyscus boylei evides</i> Osgood, N. Amer. Fauna, 28:152, April 17,
+1909.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Northern part of state.</p>
+
+<p><i>Specimens examined</i>, 22: nos. 100450-100471, distributed by localities as fol<span class="pagenum"><a name="Page_462" id="Page_462">[462]</a></span>lows:
+1&#189; mi. SSE Tac�mbaro, 5,700 ft., 16; 1&#190; mi S Tac�mbaro, 5,700 ft.,
+1; 1 mi. E and 2&#189; mi. S Tac�mbaro, 4,700 ft., 5.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Osgood (1909:153) recorded 31 specimens from Los
+Reyes. Weights recorded by the collectors of our specimens for
+13 males from the vicinity of Tac�mbaro, are 24.8 (17.2-37.1) and
+for 9 females 25.0 (20.0-31.5) grams. These weights include those
+of subadults as well as those of adults.</p>
+
+
+<p class="species_name">
+<b>Peromyscus boylii levipes</b> Merriam<br />
+<br />
+Brash Mouse; Spanish, Rat�n de Chaparral<br />
+</p>
+
+<p class="species_ref"><i>Peromyscus levipes</i> Merriam, Proc. Biol. Soc. Washington, 12:123,
+April 30, 1898, type from Mount Malinche, Tlaxcala.</p>
+
+<p class="species_ref"><i>Peromyscus boylei levipes</i>, Osgood, N. Amer. Fauna, 28:153, April 17,
+1909.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably central-eastern part of state.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Osgood (1909:155) records one specimen of this subspecies
+from P�tzcuaro.</p>
+
+
+<p class="species_name">
+<b>Peromyscus hylocetes</b> Merriam<br />
+<br />
+Woods Mouse; Spanish, Rat�n Ocotero<br />
+</p>
+
+<p class="species_ref"><i>Peromyscus hylocetes</i> Merriam, Proc. Biol. Soc. Washington, 12:124,
+April 30, 1898, type from P�tzcuaro, 7,000 feet, Michoac�n; Osgood, N.
+Amer. Fauna, 28:159, pl. 3, fig. 8, April 17, 1909.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Mountainous parts of state.</p>
+
+<p><i>Specimens examined</i>, 24: nos. 100472, 100542, both from 9 mi. SE P�tzcuaro
+at 8,000 feet altitude; 1358-1365 of Bernardo Villa R., from Cerro Curitzar�n,
+3.5 km. NNW San Juan, 2,200 M.; 52178, 52185, 52187-52192, 52197, 52198,
+52203, 52213-52215, from Tanc�taro at elevations of 6,000 to 10,000 ft.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;All of the specimens were taken in pine forest. The
+old male from nine miles southeast of P�tzcuaro weighs 43.7 grams
+and the younger male from there 35 grams. The adults from
+Tanc�taro have longer diastemae and some have the braincase more
+prolonged posteriorly, than in specimens from the vicinities of San
+Juan and P�tzcuaro but individual variation is considerable and we
+are unable to differentiate some of the adults from Tanc�taro from
+those from elsewhere.</p>
+
+
+<p class="species_name">
+<b>Peromyscus truei gratus</b> Merriam<br />
+<br />
+Pi�on Mouse; Spanish, Rat�n Pi�onero<br />
+</p>
+
+<p class="species_ref"><i>Peromyscus gratus</i> Merriam, Proc. Biol. Soc. Washington, 12:123, April
+30, 1898, type from "Tlalpam," D. F.</p>
+
+<p class="species_ref"><i>Peromyscus sagax</i> Elliot, Field Columb. Mus., Chicago, zo�l. ser., 3:142,
+February, 1903, type from La Palma, Michoac�n.</p>
+
+<p class="species_ref"><i>Peromyscus pavidus</i> Elliot, Field Columb. Mus., Chicago, zo�l. ser.,
+3:142, February, 1903, type from P�tzcuaro, Michoac�n.</p>
+
+<p class="species_ref"><i>Peromyscus zelotes</i> Osgood, Proc. Biol. Soc. Washington, 17:67, March
+21, 1904, type from Quer�ndaro, Michoac�n.</p>
+
+<p><span class="pagenum"><a name="Page_463" id="Page_463">[463]</a></span></p>
+
+<p class="species_ref"><i>Peromyscus truei gratus</i>, Osgood, N. Amer. Fauna, 28:173, April 17,
+1909.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Northern part of state.</p>
+
+<p><i>Specimens examined</i>, 42: nos. 100448, 100473-100483, 100485-100509, 8700,
+8702, 8703, 8896, 8897, distributed by localities as follows: 8 mi. N Zamora,
+5,500 ft., 2; 11 mi. W Zamora, 5,750 ft., 11; 6&#189; mi. W Zamora, 5,950 ft., 4;
+6 mi. W Zamora, 5,950 ft., 4; Rio Duaro, 9 mi. E Zamora, 5,500 ft., 1; 3 mi. N
+P�tzcuaro, 6,800 ft., 1; 3 mi. NW P�tzcuaro, 6,700 ft., 10; 1&#189; mi. NW
+P�tzcuaro, 6,700 ft., 1; 2 mi. W P�tzcuaro, 6,700 ft., 3; P�tzcuaro (Chicago Nat.
+Hist. Mus.), 5.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The ear measured from the notch is shortest, 19 (18-21),
+at Zamora, intermediate, 21 (19-23), at P�tzcuaro, and longest,
+21.8 (20-23), at the type locality of <i>gratus</i> in the Valley of M�xico.</p>
+
+
+<p class="species_name">
+<b>Peromyscus melanophrys zamorae</b> Osgood<br />
+<br />
+Blackish Mouse; Spanish, Rat�n Obscuro<br />
+</p>
+
+<p class="species_ref"><i>Peromyscus melanophrys zamorae</i> Osgood, Proc. Biol. Soc. Washington,
+17:65, March 21, 1904, type from Zamora, Michoac�n; N. Amer.
+Fauna, 28:187, April 17, 1909.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Northern part of state.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Insofar as we know, this mouse has been taken in
+Michoac�n only at the type locality.</p>
+
+
+<p class="species_name">
+<b>Peromyscus banderanus banderanus</b> Allen<br />
+<br />
+Tarascan Mouse; Spanish, Rat�n Tarasco<br />
+</p>
+
+<p class="species_ref"><i>Peromyscus banderanus</i> Allen, Bull. Amer. Mus. Nat. Hist., 9:51,
+March 15, 1897, type from Valle de Banderas, Nayarit; Osgood, Jour.
+Mamm., 26:300, November 14, 1945.</p>
+
+<p class="species_ref"><i>Peromyscus banderanus vicinior</i> Osgood, N. Amer. Fauna, 28:209, 210,
+April 17, 1909, part.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Northern and eastern parts of state.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Specimens from Los Reyes referred to the subspecies
+<i>P. b. vicinior</i> by Osgood (1909:209-210) were later characterized
+by Osgood (1945:300) as agreeing with specimens from Zit�cuaro,
+and Osgood (<i>loc. cit.</i>) thought that those from both Los Reyes and
+Zit�cuaro were not <i>P. b. vicinior</i> but possibly <i>P. b. banderanus</i>. He
+had this material set aside for further study when he showed it to
+one of us (Hall) in 1945. It was his intention to revise the entire
+species (<i>P. banderanus</i>) but so far we know never did this before
+his death.</p>
+
+
+<p class="species_name">
+<b>Peromyscus banderanus vicinior</b> Osgood<br />
+<br />
+Tarascan Mouse; Spanish, Rat�n Tarasco<br />
+</p>
+
+<p class="species_ref"><i>Peromyscus banderanus vicinior</i> Osgood, Proc. Biol. Soc. Washington,
+17:68, March 21, 1904, type from La Salada, Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Hot valleys of western part of state.</p>
+
+<p><i>Specimens examined</i>, 53: nos. 100543-100592, 100594, 100596, 100599, distributed
+by localities, from Tac�mbaro, as follows: 2&#189; mi. S and 1 mi. E,
+<span class="pagenum"><a name="Page_464" id="Page_464">[464]</a></span>
+4,700 ft., 21; 4 mi. S and 1 mi E, 4,500 ft., 10; 6 mi. S, 4,000 ft., 6; 6 mi. S and
+1 mi. E, 4,000 ft., 16.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;There is much variation in size in our animals. The
+three largest males weigh, in grams, 67.5, 50.3, 48.9 and corresponding
+figures for the two heaviest, nonpregnant, females are 53.5 and
+48.3 grams. Of the 14 adult females, only one was recorded as
+having embryos; it had two embryos each 24 millimeters in crown
+to rump length. Where we trapped among big boulders and among
+the roots of trees of the genus <i>Ficus</i>, <i>Peromyscus banderanus vicinior</i>
+was the only species of the genus taken. <i>Peromyscus boylii
+evides</i> occurred in the less tropical vegetation, altitudinally and
+zonally above <i>P. b. vicinior</i>.</p>
+
+
+<p class="species_name">
+<b>Peromyscus melanotis</b> Allen and Chapman<br />
+<br />
+Black-eared Deermouse; Spanish, Rat�n Monta�ero<br />
+</p>
+
+<p class="species_ref"><i>Peromyscus melanotis</i> Allen and Chapman, Bull. Amer. Mus. Nat.
+Hist., 9:203, June 16, 1897, type from Las Vigas, 8,000 ft., Veracruz.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Higher mountains throughout state.</p>
+
+<p><i>Specimens examined</i>, 33: nos. 51397-51401, 52142-52166, 52172-52174, from
+Tanc�taro.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The elevation recorded on the label of one specimen
+is 9,000 feet and on the labels of other specimens is no lower than
+10,500 feet and on some is as high as 12,000 feet. The elevation of
+capture is not recorded for two specimens. Osgood (1909:112)
+previously recorded the species from 12,000 feet elevation on Mount
+Tanc�taro.</p>
+
+
+<p class="species_name">
+<b>Oryzomys couesi regillus</b> Goldman<br />
+<br />
+Tropical Rice Rat; Spanish, Rata Arrocera Tropical; Tarascan word
+for rat is Jey�quihuiri (Hayakewire), or Sarisi<br />
+</p>
+
+<p class="species_ref"><i>Oryzomys couesi regillus</i> Goldman, Proc. Biol. Soc. Washington, 28:129,
+June 29, 1915, type from Los Reyes, Michoac�n; Goldman, N. Amer.
+Fauna, 43:37, September 23, 1918.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Plateau region of Northeast Michoac�n.</p>
+
+<p><i>Specimens examined</i>, 22: nos. 100601-100622, distributed by localities as follows:
+1 mi. N Zamora, 5,450 ft., 2; 4 mi. W Zamora, 5,450 ft., 1; 4 mi. S
+P�tzcuaro, 7,800 ft., 1; 1 mi. E and 6 mi. S Tac�mbaro, 4,000 ft., 18.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The tooth-row is longest in the specimens from Zamora,
+shortest in those from Tac�mbaro and intermediate in length
+in the one specimen from P�tzcuaro. The shorter tooth-row at the
+lower elevation (Tac�mbaro), we interpret as intergradation with
+<i>Oryzomys couesi mexicanus</i>. In color the specimens from Tac�mbaro
+are, to us, indistinguishable from those from Zamora and
+P�tzcuaro but the color is notably darker than that of specimens
+from the vicinity of Apatzingan which are here referred to the subspecies
+<span class="pagenum"><a name="Page_465" id="Page_465">[465]</a></span>
+<i>Oryzomys couesi mexicanus</i>. The largest male, fully adult
+from Zamora weighs 82.9 grams and the largest one from the
+vicinity of Tac�mbaro weighs 73.6 grams.</p>
+
+
+<p class="species_name">
+<b>Oryzomys couesi mexicanus</b> Allen<br />
+<br />
+Tropical Rice Rat; Spanish, Rata Arrocera Tropical<br />
+</p>
+
+<p class="species_ref"><i>Oryzomys mexicanus</i> Allen, Bull. Amer. Mus. Nat. Hist., 9:52, March
+15, 1897, type from Hacienda San Marcos, 3,500 ft., Tonila, Jalisco.</p>
+
+<p class="species_ref"><i>Oryzomys couesi mexicanus</i>, Goldman, N. Amer. Fauna, 43:33, September
+23, 1918.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Semitropical and tropical western part of the state.</p>
+
+<p><i>Specimens examined</i>, 14: nos. 52018-52023, 52063-52070, from 1,040 ft., 10
+kms., W Apatzingan.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;These specimens are notably paler and have shorter
+tooth-rows than those referred to <i>O. c. regillus</i>.</p>
+
+
+<p class="species_name">
+<b>Oryzomys fulvescens lenis</b> Goldman<br />
+<br />
+Fulvous Rice Rat; Spanish, Rata Arrocera Pigmea<br />
+</p>
+
+<p class="species_ref"><i>Oryzomys fulvescens lenis</i> Goldman, Proc. Biol. Soc. Washington,
+28:130, June 29, 1915, type from Los Reyes, Michoac�n; N. Amer. Fauna,
+43:91, September 23, 1918.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Semitropical parts of state.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The type and one topotype so far as we know are the
+only specimens of this species to have been obtained from the state.
+The size is hardly larger than that of a large <i>Reithrodontomys</i>.</p>
+
+
+<p class="species_name">
+<b>Sigmodon melanotis</b> Bailey<br />
+<br />
+Fulvous Cotton Rat; Spanish, Rata Algodonera Leonada<br />
+</p>
+
+<p class="species_ref"><i>Sigmodon melanotis</i> Bailey, Proc. Biol. Soc. Washington, 15:114, June
+2, 1902, type from P�tzcuaro, 7,000 ft., Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Central Michoac�n, as now known.</p>
+
+<p><i>Specimens examined</i>, 8: nos. 100623-100626, 52089-52092, distributed by localities
+as follows: 2 mi. W P�tzcuaro (7,400 and 7,700 ft.), 2; 3&#189; mi. S
+P�tzcuaro, 7,800 ft., 2; Tanc�taro, 6,000 ft., 4.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;This species was taken along with the species <i>S.
+hispidus</i> two miles west of P�tzcuaro, and can be easily distinguished
+from the latter by the dark reddish as opposed to grayish color of
+the upperparts and by the shorter hind foot (less instead of more
+than 32.5 mm.).</p>
+
+
+<p class="species_name">
+<b>Sigmodon hispidus mascotensis</b> Allen<br />
+<br />
+Hispid Cotton Rat; Spanish, Rata Algodonera Setosa<br />
+</p>
+
+<p class="species_ref"><i>Sigmodon mascotensis</i> Allen, Bull. Amer. Mus. Nat. Hist., 9:54, March
+15, 1897, type from San Sebasti�n, near Mascota, Jalisco.</p>
+
+<p class="species_ref"><i>Sigmodon hispidus mascotensis</i>, Bailey, Proc. Biol. Soc. Washington,
+15:108, June 2, 1902.</p>
+
+<p><span class="pagenum"><a name="Page_466" id="Page_466">[466]</a></span></p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Larger part of state.</p>
+
+<p><i>Specimens examined</i>, 4: nos. 100629, 3 mi. N P�tzcuaro, 6,700 ft.; 100630, 2
+mi. W P�tzcuaro, 7,700 ft.; 100632, 1&#190; mi. S Tac�mbaro, 5,700 ft.; 100631, 6 mi.
+S and 1 mi. E Tac�mbaro, 4,000 ft.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Bailey (1902:109) records a "very large" specimen
+from Quer�ndaro. Our specimens have shorter molariform tooth-rows
+than do those from nearer the type locality, for example, those
+from Tuxpan, Las Canoas, and Artenkiki, all three places in Jalisco.</p>
+
+
+<p class="species_name">
+<b>Sigmodon hispidus atratus</b> Hall<br />
+<br />
+Hispid Cotton Rat; Spanish, Rata Algodonera Setosa<br />
+</p>
+
+<p class="species_ref"><i>Sigmodon hispidus atratus</i> Hall, Proc. Biol. Soc. Washington, 62:149,
+August 23, 1949, type from 6&#189; mi. W Zamora, 5,950 ft., Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known only from Zamora and the type locality.</p>
+
+<p><i>Specimens examined</i>, 2: nos. 100628 (the holotype), 6&#189; mi. W Zamora, 5,950
+ft.; 120268 (U. S. Nat. Mus., Biol. Surveys Coll.), Zamora.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;When the present account first was prepared our specimen
+from six and a half miles west of Zamora was tentatively referred
+to <i>S. h. mascotensis</i>. Subsequently a second specimen, from
+Zamora, was found. It agreed with the specimen from six and a
+half miles west of Zamora. Inasmuch as the second specimen agrees
+with the first and since each of the two differs from any previously
+described kind, a name and description were published in time to be
+inserted in the present account. From <i>S. h. mascotensis</i>, <i>S. h. atratus</i>
+differs in shorter hind foot, darker upper parts, more densely haired
+tail, shorter skull, more convex dorsal longitudinal outline of skull,
+posteriorly constricted anterior palatine foramina instead of parallel-sided
+foramina, and shorter and less decurved anterior process of
+maxillary arm of zygoma.</p>
+
+
+<p class="species_name">
+<b>Neotomodon alstoni alstoni</b> Merriam<br />
+<br />
+Volcano Mouse; Spanish, Rat�n de Los Volcanes<br />
+</p>
+
+<p class="species_ref"><i>Neotomodon alstoni</i> Merriam, Proc. Biol. Soc. Washington, 12:128,
+April 30, 1898, type from Nahuatzin, 8,500 ft., Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Higher mountains of state.</p>
+
+<p><i>Specimens examined</i>, 22: nos. 52179-52184, 52186, 52193-52196, 52199, 52200,
+52204-52212, all from Mount Tanc�taro, distributed by localities as follows:
+7,800 ft., 5; 7,850 ft., 3; 10,000 ft., 4; 10,200 ft., 5; 10,500 ft., 1; 10,800 ft., 1;
+11,000 ft., 2; 11,400 ft., 1.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;The taking of specimens on Mount Tanc�taro extends
+the known geographic range of <i>Neotomodon</i> approximately 75 kilometers
+to the southwestward; the westernmost locality previously
+known was Nahuatzin, the type locality.</p>
+
+
+<p><span class="pagenum"><a name="Page_467" id="Page_467">[467]</a></span></p>
+
+<p class="species_name">
+<b>Nelsonia goldmani</b> Merriam<br />
+<br />
+Dwarf Wood Rat; Spanish, Rata Montera Min�scula<br />
+</p>
+
+<p class="species_ref"><i>Nelsonia goldmani</i> Merriam, Proc. Biol. Soc. Washington, 16:80,
+May 29, 1903, type from Mount Tanc�taro, Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known only from the type locality.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;In the original description three specimens are recorded
+from the type locality.</p>
+
+
+<p class="species_name">
+<b>Neotoma latifrons</b> Merriam<br />
+<br />
+White-throated Wood Rat; Spanish, Rata Montera Frentuda<br />
+</p>
+
+<p class="species_ref"><i>Neotoma latifrons</i> Merriam, Proc. Biol. Soc. Washington, 9:121, July
+2, 1894, type from Quer�ndaro, Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known only from the type locality.</p>
+</div>
+
+
+<p class="species_name">
+<b>Neotoma ferruginea tenuicauda</b> Merriam<br />
+<br />
+Ferruginous Wood Rat; Spanish, Rata Ferruginosa<br />
+</p>
+
+<p class="species_ref"><i>Neotoma tenuicauda</i> Merriam, Proc. Biol. Soc. Washington, 7:169,
+September 29, 1892, type from north slope of Sierra Nevada de Colima,
+12,000 ft., Colima.</p>
+
+<p class="species_ref"><i>Neotoma ferruginea tenuicauda</i>, Howell, N. Amer. Fauna, 31:73, October
+19, 1910.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably all but southern tropical part of state.</p>
+
+<p><i>Specimens examined</i>, 4: nos. 100633 from 9 mi. SE P�tzcuaro, 8,000 ft., and
+52177, 51390, 51391, from Tanc�taro, the elevation being given as 7,850 ft. on no.
+52177.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Our one specimen from 9 miles southeast of P�tzcuaro
+was caught in a small steel trap set at a meat bait.</p>
+
+
+<p class="species_name">
+<b>Microtus mexicanus salvus</b> Hall<br />
+<br />
+Mexican Meadow Mouse; Spanish, Metorito<br />
+</p>
+
+<p class="species_ref"><i>Microtus mexicanus salvus</i> Hall, Univ. Kansas Publ., Mus. Nat. Hist.,
+1:426, December 24, 1948, type from Mount Tanc�taro, 11,400 ft., Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Known only from Mount Tanc�taro at elevations of 7,800 to 11,400
+feet.</p>
+
+<p><i>Specimens examined</i>, 14: nos. 51412, 51413, 52093, 52095-52099, 52101, 52103-52107,
+all from Mount Tanc�taro, distributed by elevations as follows: 11,400
+ft., 8; 11,000 ft., 2; 7,800 ft., 1; no elevation recorded, 3.</p>
+</div>
+
+
+<p class="species_name">
+<b>Microtus mexicanus fundatus</b> Hall<br />
+<br />
+Mexican Meadow Mouse; Spanish, Metorito<br />
+</p>
+
+<p class="species_ref"><i>Microtus mexicanus fundatus</i> Hall, Univ. Kansas Publ., Mus. Nat.
+Hist., 1:425, December 24, 1948, type from 3&#189; mi. S. P�tzcuaro, 7,900 ft.,
+Michoac�n.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Central part of state.</p>
+
+<p><i>Specimens examined</i>, 59: nos. 100636-100694, distributed, with reference to
+the town of P�tzcuaro, as follows: 3&#189; mi. S, 7,900 ft., 9; 4 mi. S, 7,800 ft., 16;
+5 mi. S, 7,800 ft., 26; 9 mi. SE, 8,000 ft., 8.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Of the 23 females, only one was pregnant. It had two
+<span class="pagenum"><a name="Page_468" id="Page_468">[468]</a></span>
+embryos. Average and extreme weights of ten adults of each sex,
+are: males, 37.8 (31.5-48.2); females, 38.0 (31.0-48.6) grams. Our
+specimens were trapped in well-defined runways beneath a rail
+fence where there was a growth of grass sufficient to make a cover
+for the runways. Bailey (1900:54-55) has recorded under the name
+<i>Microtus mexicanus phaeus</i> specimens from Nahuatzin which may
+be referable to the subspecies <i>M. m. fundatus</i>.</p>
+
+
+<p class="species_name">
+<b>Mus musculus</b> subsp.?<br />
+<br />
+House Mouse; Spanish, Rat�n Casero<br />
+</p>
+
+<p class="species_ref"><i>Mus musculus</i> Linnaeus, Systema Naturae, ed. 10, 1:62, 1758, type from
+Upsala, Sweden.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably throughout state.</p>
+
+<p><i>Specimens examined</i>, 4: nos. 100696-100699, of which one is from Tac�mbaro,
+5,700 ft., and 3 are from 4 mi. S and 1 mi. E Tac�mbaro, 4,500 ft.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;In each of our specimens the belly is dark, approximately
+as dark as the back. The specimens caught by us were
+living in the wild; that is to say, they were not caught in and around
+buildings. Elliot (1903:141) records the species from P�tzcuaro.</p>
+
+
+<p class="species_name">
+<b>Rattus rattus alexandrinus</b> (Geoffroy)<br />
+<br />
+Black Rat; Spanish, Rata Negra<br />
+</p>
+
+<p class="species_ref"><i>Mus alexandrinus</i> Geoffroy, Catal. Mammif. du Mus. Nat. d'Hist.,
+Paris, p. 192, 1803, type from Alexandria, Egypt.</p>
+
+<p class="species_ref"><i>R</i>[<i>attus</i>]. <i>rattus alexandrinus</i>, Hinton, Jour. Bombay Nat. Hist. Soc.,
+26:63, December 20, 1918.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably throughout tropical and subtropical parts of state; recorded
+also from P�tzcuaro.</p>
+
+<p><i>Specimens examined</i>, 3: nos. 52027, 52033 from Tanc�taro and 8909 from
+P�tzcuaro.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;These specimens answer well to the description of
+<i>R. r. alexandrinus</i> except that no. 8909, taken in May, 1901, by F. E.
+Lutz, has yellowish underparts suggestive of <i>Rattus rattus frugivorous</i>.
+In the town of Tac�mbaro we saw a freshly killed rat of this
+species which was all black.</p>
+
+
+<p class="species_name">
+<b>Sylvilagus floridanus subcinctus</b> (Miller)<br />
+<br />
+Florida Cottontail; Spanish, Conejo de Florida<br />
+</p>
+
+<p class="species_ref"><i>Lepus floridanus subcinctus</i> Miller, Proc. Acad, Nat. Sci. Philadelphia,
+p. 386, October 5, 1899, type from Hacienda El Molino, Negrete, Michoac�n.</p>
+
+<p class="species_ref"><i>Sylvilagus floridanus subcinctus</i>, Lyon, Smiths. Misc. Coll., 45:336,
+June 15, 1904; Nelson, N. Amer. Fauna, 29:180, August 31, 1909.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Northeastern part of state.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Nelson (1909:181) records specimens from Ac�mbaro,
+Quer�ndaro and the type locality.</p>
+
+
+<p><span class="pagenum"><a name="Page_469" id="Page_469">[469]</a></span></p>
+
+<p class="species_name">
+<b>Sylvilagus floridanus restrictus</b> Nelson<br />
+<br />
+Florida Cottontail; Spanish, Conejo de Florida<br />
+</p>
+
+<p class="species_ref"><i>Sylvilagus floridanus restrictus</i> Nelson, Proc. Biol. Soc. Washington,
+20:82, July 22,1907, type from Zapotl�n, Jalisco; Nelson, N. Amer. Fauna,
+29:181, August 31, 1909.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Forested areas of non-tropical part of state except northeastern
+part.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Nelson (1909:183) records specimens from Los Reyes,
+P�tzcuaro and Mount Tanc�taro. This species and the Mexican
+cottontail are favorite small game for the rural peoples.</p>
+
+
+<p class="species_name">
+<b>Sylvilagus cunicularis cunicularis</b> (Waterhouse)<br />
+<br />
+Mexican Cottontail; Spanish, Conejo M�xicano<br />
+</p>
+
+<p class="species_ref"><i>Lepus cunicularis</i> Waterhouse, Nat. Hist. Mammalia, 2:132, 1848, type
+from Zacualpan (probably in state of M�xico).</p>
+
+<p class="species_ref"><i>Sylvilagus cunicularis</i>, Nelson, N. Amer. Fauna, 29:239, August 31,
+1909.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably all of state except tropical coastal areas where another
+subspecies of the same species probably will be found to occur.</p>
+
+<p><i>Specimens examined</i>, 2: nos. 51965, 51966, from Tanc�taro, one specimen
+labeled as taken at 6,000 feet altitude.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Nelson (1909:241) has recorded this rabbit also from
+P�tzcuaro.</p>
+
+
+<p class="species_name">
+<b>Lepus callotis</b> Wagler<br />
+<br />
+White-sided Jack Rabbit; Spanish, Liebre<br />
+</p>
+
+<p class="species_ref"><i>Lepus callotis</i> Wagler, Naturliches System der Amphibien, p. 23, 1830,
+type from southern end of Mexican Tableland; Nelson, N. Amer. Fauna,
+29:122, August 31, 1909.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Approximately northeastern half of state.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Nelson (1909:124) records specimens from Los Reyes
+and Quer�ndaro; we did not see any animals of this species in our
+own field work.</p>
+
+
+<p class="species_name">
+<b>Tayassu angulatus humeralis</b> Merriam<br />
+<br />
+Collared Peccary; Spanish, Jabal� del Collar; Tarascan, c�chjer�mba
+(cucheramba) or Ju�teanapu (whatalanapu)<br />
+</p>
+
+<p class="species_ref"><i>Tayassu angulatus humeralis</i> Merriam, Proc. Biol. Soc. Washington,
+14:122, July 19, 1901, type from Armer�a, Colima.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Approximately southwestern half of state.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Under date of October 11, 1948, Henry W. Setzer
+(<i>in litt.</i>) states that four specimens of this species, in the Biological
+Surveys Collection in the United States National Museum, were
+taken at La Salada, by Nelson and Goldman, and bear catalogue
+numbers 126156, 126157, 126158 and 126159. No. 126158 is a female
+taken on March 19, 1903. The other three specimens are
+<span class="pagenum"><a name="Page_470" id="Page_470">[470]</a></span>
+males taken on March 17, 1903. We did not see any animals of
+this species in our own field work, and the only materials from
+Michoac�n actually examined by one of us (Hall) are the skulls
+of nos. 126156 and 126158, referred to above, from the Biological
+Surveys Collection.</p>
+
+
+<p class="species_name">
+<b>Odocoileus virginianus sinaloae</b> Allen<br />
+<br />
+White-tailed Deer; Spanish, Venado Cola Blanca; Tarascan,
+As�ni (Ashumi)<br />
+</p>
+
+<p class="species_ref"><i>Odocoileus sinaloae</i> Allen, Bull. Amer. Mus. Nat. Hist., 19:613, November
+14, 1903, type from. Esquinapa, Sinaloa.</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably statewide.</p>
+</div>
+
+<p><i>Remarks.</i>&mdash;Through the courtesy of Dr. A. Remington Kellogg
+we learn that in a manuscript on the deer of the <i>Odocoileus virginianus</i>
+group, he and the late Major E. A. Goldman had recorded
+specimens, in the Biological Surveys Collection of the United States
+National Museum, as follows: Nahuatzin, 8,500 ft., nos. 35924/48232,
+and 35925/48233; Los Reyes, 5,000 ft., no. 165673; P�tzcuaro,
+7,000 ft., no. 35535/47819; and Uruapan, 4,500 ft., no. 13060. We
+have not anywhere seen the name combination <i>Odocoileus virginianus
+sinaloae</i> but from the original description we judge that
+<i>Odocoileus sinaloae</i> is to be arranged as a geographic race of the
+wide-ranging species <i>Odocoileus virginianus</i> as that species is now
+understood.</p>
+
+
+<p class="species_name">
+<b>Dasypus novemcinctus mexicanus</b> Peters<br />
+<br />
+Nine-banded Armadillo; Spanish, Armadillo; Tarascan, Is�ngu (Esing&#335;)<br />
+</p>
+
+<p class="species_ref"><i>Dasypus novemcinctus mexicanus</i> Peters, Monatsber. k. preuss. Akad.
+Wissensch. Berlin, p. 180, 1864 (name restricted by Bailey, N. Amer.
+Fauna, 25:52, October 24, 1905, to the subspecies occurring at Colima).</p>
+
+<div class="smaller">
+<p><i>Range.</i>&mdash;Probably statewide.</p>
+
+<p><i>Specimens examined</i>, 2; nos. 51392 from Tanc�taro and 51964 from Apatzingan,
+1,040 ft.</p>
+</div>
+
+<p class="mrb2"><i>Remarks.</i>&mdash;The female from Tanc�taro is immature as indicated
+by the wide-open sutures between the bones of the skull which in
+over-all length is only 72.8 mm. The male from Tanc�taro is older
+and the over-all length of the skull is 98.33 mm. Geographic considerations
+alone are responsible for our use of the subspecific name
+<i>mexicanus</i>; we do not know the morphological features which distinguish
+<i>mexicanus</i> from other named subspecies.</p>
+
+<p><span class="pagenum"><a name="Page_471" id="Page_471">[471]</a></span></p>
+<p class="caption2">LITERATURE CITED</p>
+
+<p class="author">Andersen, K.</p>
+<p class="reference">1908. A monograph of the Chiropteran genera, <i>Uroderma, Enchisthenes</i>,
+and <i>Artibeus</i>. Proc. Zo�l. Soc. London, for 1908:204-319, text figs.
+40-58.</p>
+
+<p class="author">Allen, G. M.</p>
+<p class="reference">1916. Bats of the genus Corynorhinus. Bull. Mus. Comp. Zo�l., Harvard
+College, 60:333-356, 1 pl., April, 1916.</p>
+
+<p class="author">Bailey, V.</p>
+<p class="reference">1900. Revision of American voles of the genus Microtus. N. Amer. Fauna,
+17:1-88, 5 pls., 17 figs. in text, June 6, 1900.</p>
+<p class="reference">1902. Synopsis of the North American Species of <i>Sigmodon</i>. Proc. Biol.
+Soc. Washington, 15:101-116, June 2, 1902.</p>
+
+<p class="author">Benson, S. B.</p>
+<p class="reference">1947. Description of a mastiff bat (genus <i>Eumops</i>) from Sonora, Mexico.
+Proc. Biol. Soc. Washington, 60:133-134, December 31, 1947.</p>
+
+<p class="author">Davis, W. B.</p>
+<p class="reference">1944. Notes on Mexican mammals. Jour. Mamm., 25:370-403, 1 fig. in
+text, December 12, 1944.</p>
+
+<p class="author">Elliot, D. G.</p>
+<p class="reference">1903. A list of a collection of Mexican mammals with descriptions of
+some apparently new forms. Field Columb. Mus. Pub. No. 71, zo�l.
+ser., 3(no. 8):141-149, February, 1903.</p>
+
+<p class="author">Goldman, E. A.</p>
+<p class="reference">1911. Revision of the spiny pocket mice (genera Heteromys and Liomys)
+N. Amer. Fauna, 34:1-70, 3 pls. 6 figs. in text, September 7, 1911.</p>
+<p class="reference">1938. List of the gray foxes of Mexico. Jour. Washington Acad. Sci.,
+28:494-498, November 15, 1938.</p>
+<p class="reference">1942. Notes on the coatis of the Mexican mainland. Proc. Biol. Soc.
+Washington, 55:79-82, June 25, 1942.</p>
+
+<p class="author">Hall, E. R.</p>
+<p class="reference">1948. Two new meadow mice from Michoac�n, Mexico. Univ. Kansas
+Publ. Mus. Nat. Hist., 1:423-427, 6 figs. in text, December 24, 1948.</p>
+<p class="reference">1949. A new subspecies of cotton rat, Sigmodon hispidus, from Michoac�n,
+Mexico. Proc. Biol. Soc. Washington, 62:149-150, 3 figs. in text, August,
+23,1949.</p>
+
+<p style="text-indent: 0"><span class="author">Hall, E. R.</span>, and <span class="author">Villa-R., B.</span></p>
+<p class="reference">1948. A new pocket gopher (Thomomys) and a new spiny pocket mouse
+(Liomys) from Michoac�n, M�xico. Univ. Kansas Publ., Mus. Nat.
+Hist., 1:249-255, 6 figs. in, text, July 26, 1948.</p>
+<p class="reference">1949. A new harvest mouse from Michoac�n, Mexico. Proc. Biol. Soc.
+Washington, 62:163-164, August 23, 1949.</p>
+
+<p><span class="pagenum"><a name="Page_472" id="Page_472">[472]</a></span></p>
+
+<p class="author">Hooper, E. T.</p>
+<p class="reference">1946. Two genera of pocket gophers should be congeneric. Jour. Mamm.,
+27:397-399, November 25, 1946.</p>
+
+<p class="author">Howell, A. H.</p>
+<p class="reference">1906. Revision of the skunks of the genus Spilogale. N. Amer. Fauna,
+26:1-55, 10 pls., November 24, 1906.</p>
+<p class="reference">1914. Revision of the American harvest mice (Genus Reithrodontomys).
+N. Amer. Fauna, 36:1-97, 7 pls., 6 figs. in text, June 5, 1914.</p>
+<p class="reference">1938. Revision of the North American ground squirrels, with a classification
+of North American Sciuridae. N. Amer. Fauna, 56:1-256, 32
+pls. (some colored), 20 figs. in text, May 18, 1938.</p>
+
+<p class="author">Jackson, H. H. T.</p>
+<p class="reference">1928. A taxonomic revision of the American long-tailed shrews.... N.
+Amer. Fauna, 51:vi+238, 13 pls., 24 figs., July 24, 1928.</p>
+
+<p class="txtind0"><span class="smcap">Martinez, L.</span>, and <span class="smcap">Villa-R., B.</span></p>
+<p class="reference">1940. Segunda contribucion al conocimiento de los murcielagos Mexicanos&mdash;II
+Estado de Guerrero. Anales d. Inst. Biol., (Univ.) M�xico.
+11:291-361, illustrated, 1940.</p>
+
+<p class="author">Miller, G. S., Jr.</p>
+<p class="reference">1897.  Revision of the North American bats of the family Vespertilionidae.
+N. Amer. Fauna, 13:1-140, 3 pls., 40 figs. in text, October 16, 1897.</p>
+
+<p class="txtind0"><span class="author">Miller, G. S., Jr.</span>, and <span class="author">Allen, G. M.</span></p>
+<p class="reference">1928.  The American bats of the genera Myotis and Pizonyx. U. S. Nat.
+Mus. Bull., 144:viii+218, 1 pl., 1 fig., 13 maps, May 25, 1928.</p>
+
+<p class="author">Nelson, E. W.</p>
+<p class="reference">1899. Revision of the squirrels of Mexico and Central America. Proc.
+Washington Acad. Sci., 1:15-110, 2 pls., May 9, 1899.</p>
+<p class="reference">1909. The rabbits of North America. N. Amer. Fauna, 29:1-314, 13 pls.,
+19 figs. in text, August 31, 1909.</p>
+
+<p class="author">Osgood, W. H.</p>
+<p class="reference">1909. Revision of the mice of the American genus Peromyscus. N. Amer.
+Fauna, 28:1-285, 8 pls., 12 figs., April 17, 1909.</p>
+<p class="reference">1945. Two new rodents from Mexico. Jour. Mamm., 26:299-301, November
+14, 1945.</p>
+
+<p class="author">Tate, G. H. H.</p>
+<p class="reference">1933. A systematic revision of the marsupial genus <i>Marmosa</i>, with a discussion
+of the adaptive radiation of the murine opossums (<i>Marmosa</i>).
+Bull. Amer. Mus. Nat. Hist., 66:1-250, pls. 1-26, 29 figs. in
+text, August 10, 1933.</p>
+
+<p class="mrt2 mrb2">Transmitted August 30, 1948.</p>
+
+
+<p class="center mrb2" style="text-indent: 0;">
+<img src="images/union_label.png" width="71" height="26" alt="Look for the Union Label"/>
+<br />
+22-6113
+</p>
+
+<div class="trans_notes">
+<div class="caption2">Transcriber's Notes</div>
+
+<p>On <a href="#Page_458">page 458</a>, the
+<i>Reithrodontomys fulvescens inexspectatus</i> Elliot also lists
+<i>Rhithrodontomys inexspectatus</i> Elliot. Apparently the two genera
+names (Reithrodontomys and Rhithrodontomys) are both 'correct' spellings
+for Harvest Mice.</p>
+
+<div class="caption2">Typographical Corrections</div>
+
+
+<div class="center">
+<table border="0" cellpadding="4" cellspacing="0" summary="typo list">
+<tr>
+  <td align="left"> Page</td>
+  <td>&nbsp;&nbsp;&nbsp;&nbsp;</td>
+  <td class="text_lf">Correction</td>
+</tr>
+<tr>
+  <td class="text_lf"><a href="#Page_444">444</a></td>
+  <td>&nbsp;</td>
+  <td class="text_lf">Fanua &#8594; Fauna</td>
+</tr>
+<tr>
+  <td class="text_lf"><a href="#Page_447">447</a></td>
+  <td class="text_lf"></td>
+  <td class="text_lf">costal &#8594; coastal</td>
+</tr>
+<tr>
+  <td class="text_lf"><a href="#Page_451">451</a></td>
+  <td class="text_lf"></td>
+  <td class="text_lf">C�nu &#8594; C�mu</td>
+</tr>
+</table>
+</div>
+<br />
+</div>
+
+
+
+
+
+
+
+
+<pre>
+
+
+
+
+
+End of the Project Gutenberg EBook of An Annotated Check List of the Mammals
+of Michoac�n, M�xico, by Bernardo Villa R. and E. Raymond Hall
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+The Project Gutenberg EBook of An Annotated Check List of the Mammals of
+Michoacan, Mexico, by Bernardo Villa R. and E. Raymond Hall
+
+This eBook is for the use of anyone anywhere at no cost and with
+almost no restrictions whatsoever.  You may copy it, give it away or
+re-use it under the terms of the Project Gutenberg License included
+with this eBook or online at www.gutenberg.org/license
+
+
+Title: An Annotated Check List of the Mammals of Michoacan, Mexico
+
+Author: Bernardo Villa R.
+        E. Raymond Hall
+
+Release Date: March 22, 2012 [EBook #39222]
+
+Language: English
+
+Character set encoding: ASCII
+
+*** START OF THIS PROJECT GUTENBERG EBOOK AN ANNOTATED CHECK LIST OF ***
+
+
+
+
+Produced by Chris Curnow, Tom Cosmas, Joseph Cooper and
+the Online Distributed Proofreading Team at
+http://www.pgdp.net
+
+
+
+
+
+
+
+
+
+An Annotated Check List of the Mammals of MichoacAin, MA(C)xico
+
+BY
+
+E. RAYMOND HALL and BERNARDO VILLA R.
+
+
+University of Kansas Publications
+
+Museum of Natural History
+
+
+Volume 1, No. 22, pp. 431-472, 2 plates, 1 figure in text
+
+December 27, 1949
+
+
+University of Kansas
+
+LAWRENCE
+
+1949
+
+
+
+
+UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY
+
+
+Editors: E. Raymond Hall, Chairman, A. Byron Leonard, Edward H. Taylor,
+Robert W. Wilson
+
+
+Volume 1, No. 22, pp. 431-472, 2 plates, 1 figure in text
+
+December 27, 1949
+
+
+UNIVERSITY OF KANSAS
+
+Lawrence, Kansas
+
+
+PRINTED BY
+
+FERD VOILAND, JR., STATE PRINTER
+
+TOPEKA, KANSAS
+
+1949
+
+22-6113
+
+
+
+
+An Annotated Check List of the Mammals of MichoacAin, MA(C)xico
+
+By
+
+E. RAYMOND HALL and BERNARDO VILLA R.
+
+
+
+
+INTRODUCTION
+
+
+When General LAizaro Cardenas was President of the Republic of MA(C)xico,
+encouragement was given by his administration to linguistic groups of
+native American peoples to record in printed form, eventually in their
+native languages, accounts of their cultural accomplishments and
+accounts of the natural resources of the regions concerned. For the
+Tarascan "Empire" centering in the state of MichoacAin, a committee of
+Mexicans and citizens of the United States of America was formed to
+forward these aims. Under the leadership of ethnologists on the
+committee, especially Professor Daniel Rubin F. de la Borbolla and
+Professor Ralph L. Beals, invitations to coA�perate in the studies were
+extended to biologists. One of us (Hall) was invited to investigate
+the fauna of native wild mammals. In 1943, assisted by a fellowship
+which Hall at that time held from the John Simon Guggenheim Memorial
+Foundation, and with support from Miss Annie M. Alexander, through the
+University of California Museum of Vertebrate ZoA�logy, most of
+March--March 3 to March 29, 1943--was spent in the state of MichoacAin.
+
+Bernardo Villa R. of the Instituto de BiologA-a de la Universidad de
+MA(C)xico was a member of the party from March 23 to 27. Previously,
+March 4 to 22, Roberto AlcAintar from the Universidad de MichoacAin, in
+Morelia, participated in the field work. Mr. J. R. Alcorn was active
+in the collecting from the beginning until he entrained for the United
+States on March 24. The remainder of the field party was made up of E.
+Raymond Hall, his wife Mary F. Hall, and their three sons, William
+Joel, Hubert H., and Benjamin D. Hall.
+
+From March 4 to 15 we collected at, and in the vicinity of, PAitzcuaro.
+We were housed in two cottages kindly made available by Sr. Efrain
+Buenrostro, in Campo Turista Janitzio, 200 meters northwest of the
+railroad station in Colonia RevoluciA cubedn. The shore of Lake PAitzcuaro,
+the cultivated fields surrounded by stone fences, and the oak and pine
+forests roundabout provided varied habitats.
+
+From March 16 to 23 we collected in the territory 1 to 6 miles south
+of TacAimbaro, making our headquarters in the Europa Hotel, in the
+town. The steep main street of TacAimbaro with native pines at the
+upper end descends to plantings of bananas and sugar cane at the lower
+end. Our collecting all was done below (south of) the town in the
+semitropical country and none at all was done above (north of) the
+town.
+
+From March 24 to 27 (three night's trapping) we collected in the
+vicinity of Zamora, making our headquarters in rooms diagonally across
+the street intersection from the Hotel Fenix.
+
+The resulting specimens, approximately 650 in number, were deposited
+in the Museum of Vertebrate ZoA�logy at the University of California at
+Berkeley.
+
+A noteworthy coincidence is that on the very day, February 26, on
+which we crossed the international border into MA(C)xico at Laredo, the
+beginning of the new volcano, ParicutA-n, was announced in the daily
+press. Our collecting of mammals in MichoacAin was nearly all done in
+sight of the towering white plume of this rapidly heightening volcanic
+cone and frequently our traps were thickly dusted with its wind-borne
+ash. Our eagerness at that time to have stations established for
+observing the effects on vertebrates of the deposition of ash, was
+gratified in that Dr. Robert T. Hatt independently had the same idea
+and such observations at appropriate places and times were begun by
+him and staff members of the Museum of ZoA�logy of the University of
+Michigan. One of us, Villa, was privileged to share in these
+observations in the spring of 1947.
+
+This continuing interest in the mammals of MichoacAin has made it seem,
+to us, the more desirable to place on record our findings as to kinds
+and occurrence of species. In doing this we have examined the
+collections made previously on Cerro TancA-taro and vicinity by the
+field party led by Mr. Harry Hoogstraal from the University of
+Illinois and the Chicago Natural History Museum. The specimens of
+mammals collected by this field party are in the Chicago Natural
+History Museum and we are obliged to Mr. Karl P. Schmidt, Mr. Colin C.
+Sanborn and the late Dr. Wilfred H. Osgood for the privilege of
+studying this material.
+
+Drs. William H. Burt and Emmet T. Hooper, of the Museum of ZoA�logy of
+the University of Michigan, lent to us for examination five specimens
+of bats, of as many species, which they had taken in MichoacAin. Drs.
+Remington Kellogg and Henry W. Setzer have provided us with data on
+specimens of deer and peccary from MichoacAin which are in the United
+States National Museum. Specimens in the Institute of Biology of the
+University of MA(C)xico have been used. Financial provision by the Kansas
+University Endowment Association has enabled us to obtain specimens
+needed for comparison from other parts of MA(C)xico.
+
+In addition to the materials mentioned above we have used published
+references to mammals of MichoacAin and have prepared the following
+lists of kinds of mammals positively known to us to occur in the
+Mexican state of MichoacAin. It is noteworthy that specimens recorded
+in the literature from AcAimbaro, MichoacAin, no longer are to be
+ascribed to MichoacAin, since a relocation of the boundary between the
+states of MichoacAin and Guanajuato, places AcAimbaro in the latter
+state.
+
+Our aims were: (1) To record kinds of mammals positively known from
+the state, under the correct scientific name, and vernacular names in
+English, Spanish, and Tarascan. The first Tarascan name is given in
+the spelling used by Tarascans followed by the phonetic equivalent in
+English in parentheses. (2) To indicate the geographic range of each
+kind in the state, and, (3) To record miscellaneous information which
+it is thought probably will be useful in one way or another to other
+students whose work certainly will lengthen the list of kinds of
+mammals known from MichoacAin and otherwise add to our knowledge of
+them.
+
+Several kinds of bats, of which we lack records, certainly occur in
+MichoacAin. Four or five kinds of cats (genus _Felis_), species of the
+genera _Potos_, _Lutra_, _Tayra_, _Grison_, and several other kinds of
+mammals of which we now lack positive record, also probably occur
+there; the list of kinds, we expect, will number more than one hundred
+species and subspecies when more intensive collecting has been done in
+the state. In all, we have positive record of 85 kinds of native, wild
+mammals of which specimens have been examined or recorded from
+MichoacAin. Distances and elevations here are recorded either in the
+metric system or in the English system, according to the system used
+on the labels of the specimens concerned. Unless otherwise indicated,
+catalogue numbers of more than 100,000 are of specimens in the
+University of California Museum of Vertebrate ZoA�logy and numbers of
+less than 100,000 are of the Chicago Natural History Museum.
+
+   [Illustration: FIG. 1. Map of the state of MichoacAin showing
+      place names mentioned in the text.]
+
+
+
+
+ACCOUNTS OF SPECIES AND SUBSPECIES
+
+
+=Didelphis mesamericana mesamericana= Oken
+
+Opossum; Spanish, Tlacuache; Tarascan, Ujkuri (Ukuri)
+
+    _Did[elphys]. mesamericana_ Oken, Lehrbuch d. Naturgesch.,
+       pt. 3, 2:1152, 1816, type from northern MA(C)xico.
+
+    _Didelphis mesamericana_, Allen, Bull. Amer. Mus. Nat. Hist.,
+       16:256, August 18, 1902.
+
+_Range._--Statewide.
+
+_Specimens examined_, 7: nos. 100063-100067, 100074, 51396,
+distributed by localities as follows: PAitzcuaro (3 mi. N, 6,700 ft.,
+1; 2 mi. W, 6,700 ft., 2; 5 mi. S, 7,800 ft., 1), 4; TancA-taro, 1;
+1-3/4 mi. S TacAimbaro, 5,700 ft., 1; 1 mi. E and 6 mi. S TacAimbaro, 1.
+
+_Remarks._--The coarse overhair is white all the way to the base in
+three specimens but is black in its distal two thirds (white in basal
+third) in four specimens. The overhair, six centimeters anterior to
+the base of the tail, is 83 (80-85) mm. long in the three gray
+specimens (those with white overhair) and 68 (64-72) mm. long in the
+black specimens. The ears and all four feet are black. The tail is
+black in its proximal half and white in its distal half except in one
+specimen in which the distal half is almost as dark as the proximal
+half. Of the two largest specimens, one is a female from 1-3/4 mi. S
+TacAimbaro and the other, a male is from 6 mi. S of the same place.
+Measurements are: Total length, [M] 810, [F] 786; length of tail, [M]
+360, [F] 348; length of hind foot, --, 58; condylobasal length, 110.0;
+99.6; zygomatic breadth, 68.5; 59.6; length of nasals, 59.7, 45.0. The
+tail amounts to 48, 48 and 47 per cent of the total length in
+specimens from PAitzcuaro; 50 per cent in one from TancA-taro; 45 and 44
+per cent in two from TacAimbaro. The subspecies _mesamericana_ probably
+intergrades with _Didelphis virginiana virginiana_ by way of _D. m.
+texensis_ and _D. v. pigra_, as Davis (1944:375) and other writers
+suggest, in which case the proper name of the subspecies
+_mesamericana_ would be _Didelphis virginiana mesamericana_. Until
+intergradation is actually demonstrated, it seems best to use the name
+_D. m. mesamericana_.
+
+Most of our specimens were caught in steel traps, at meat baits, set
+for small carnivores.
+
+
+=Marmosa canescens canescens= (Allen)
+
+Murine Opossum; Spanish, RatA cubedn Tlacuache
+
+    _Didelphis (Micoureus) canescens_ Allen, Bull. Amer. Mus. Nat.
+       Hist., 5:235, September 22, 1893, type from Santo Domingo
+       de Guzman, Isthmus of Tehuantepec, MA(C)xico.
+
+    _Marmosa canescens_ Allen, Bull. Amer. Mus. Nat. Hist., 9:58,
+       March 15, 1897.
+
+_Range._--Below _Quercus_ belt, probably throughout western half of
+state.
+
+_Specimen examined_, 1: no. 100062, 1 mi. E and 6 mi. S TacAimbaro,
+4,000 ft.
+
+_Remarks._--The one unsexed subadult measures 5.5 mm. from Ml to M3
+inclusive, which measurement is near the minimum that Tate (1933:
+table 1, Sec. 5) records for this subspecies but larger than the
+maximum that he (_loc. cit._) records for the subspecies _sinaloae_
+which occurs to the northward of MichoacAin. Tate (_op. cit._:141)
+lists two other specimens from Los Reyes. Our specimen was caught in a
+mouse trap set in dry grass between a sugar cane field and a patch of
+banana trees.
+
+
+=Sorex saussurei saussurei= Merriam
+
+Saussure Shrew; Spanish, MusaraA+-a
+
+    _Sorex saussurei_ Merriam, Proc. Biol. Soc. Washington, 7:173,
+       September 29, 1892, type from north slope Sierra Nevada de
+       Colima, approximately 8,000 feet, Jalisco.
+
+_Range._--In and above _Quercus_ belt, probably throughout
+northeastern half of state.
+
+_Specimens examined_, 14: nos. 8688, 52131-52141, 100076, 100077,
+distributed by localities as follows: PAitzcuaro, 1; 4 mi. S PAitzcuaro,
+7,800 ft., 2; Mount TancA-taro (7,800 ft., 8; 9,500 ft., 1; 9,600 ft.,
+1; 10,000 ft., 1), 11.
+
+_Remarks._--Two males from Mount TancA-taro, with much worn teeth,
+catalogue nos. 52132 and 52138, measure, respectively, as follows:
+Total length, 122, 114; length of tail, 46, 43; length of hind foot,
+15, 14; condylobasal length, 18.4, 18.3; palatal length, 8.0, 7.3;
+cranial breadth, 9.4, 9.2; least interorbital breadth, 3.7, 3.8;
+maxillary breadth, 5.5, 5.5; maxillary tooth-row, 6.8, 6.7. The long
+palate in no. 52132 and the broad brain case in both specimens appear
+to be only individual variations or possibly variations correlated
+with the advanced age of the two animals since in other features they
+do not differ from specimens which are smaller in these two
+dimensions. Jackson (1928:156) records specimens of this shrew from
+Mount PatambAin and Nahuatzin.
+
+
+=Cryptotis pergracilis pergracilis= (Elliot)
+
+Short-tailed Shrew; Spanish, MusaraA+-a Colicorta
+
+    _Blarina pergracilis_ Elliot, Field Columb. Mus., publ. 71,
+       zoA�l. ser., 3:149, February, 1903, type from Ocotlan, Jalisco,
+       MA(C)xico.
+
+    _Cryptotis pergracilis pergracilis_, Miller, Proc. Biol. Soc.
+       Washington, 24:223, October 31, 1911.
+
+_Range._--Probably statewide.
+
+_Specimen examined_, 1: no. 1721 B. Villa R. from Colonia Ibarra,
+PAitzcuaro.
+
+_Remarks._--Our one specimen, originally a mount, proves to have a
+crushed brain case. The specimen was saved on March 10, 1944, by P.
+Luna, who in March, 1943, told one of us (Hall) that many of these
+shrews fell into the cement fish-rearing tanks at the biological
+station situated at Colonia Ibarra, a suburb of PAitzcuaro, on the
+shore of Lake PAitzcuaro. We are indebted to Dr. H. H. T. Jackson for
+examining our specimen and assigning a name to it.
+
+
+=Balantiopteryx plicata= Peters
+
+Sac-winged Bat; Spanish, MurciA(C)lago Sacoptero; Tarascan word for bat
+is HuasA-s (Wasis)
+
+    _Balantiopteryx plicata_ Peters, Monatsber. k. preuss. Akad.
+       Wiss. Berlin, p. 476, 1867, type from Puntaarenas, Costa Rica.
+
+_Range._--Statewide.
+
+_Specimens examined_, 2: nos. 52224, 52225, from Apatzingan, 1,040 ft.
+
+_Remarks._--This bat is a cave dweller, not infrequently found
+roosting with other species.
+
+
+=Glossophaga soricina leachii= (Gray)
+
+Long-tongued Bat; Spanish, MurciA(C)lago SiricotA(C)ro
+
+    _Monophyllus leachii_ Gray, Voyage of the Sulphur, ZoA�l.,
+       1:18, 1844, type from Realejo, Nicaragua.
+
+    _Glossophaga soricina leachii_, Miller, Proc. U. S. Nat. Mus.,
+       46:419, December 31, 1913.
+
+_Range._--Statewide.
+
+_Specimens examined_, 4: nos. 11377, Univ. Kan., and alcoholic
+specimens nos. 950-952 B. Villa R. field numbers, I. B. (specimens in
+Instituto de BiologA-a, Univ. de MA(C)xico), distributed by localities as
+follows: Hacienda El Sabino, MichoacAin, approximately 25 mi. S
+Uruapan, 1; El Guayabo, 34 kms. S Uruapan, 3.
+
+_Remarks._--Specimens from El Guayabo were taken in a natural cave
+which they shared with _Desmodus rotundus murinus_ and _Artibeus
+planirostris planirostris_.
+
+       *       *       *       *       *
+
+The length of the thumb averages 7.4 mm. (7.0 to 7.7). As compared
+with _G. s. alticola_ from northeast Tlaxcala according to the
+description given by Davis (1944:377), our specimens agree with
+_alticola_ in length of thumb. In all other characters they correspond
+to _leachii_.
+
+
+=Choeronycteris mexicana= Tschudi
+
+Long-tongued Bat; Spanish, MurciA(C)lago Carilargo
+
+    _Choeronycteris mexicana_ Tschudi, Fauna Peruana, p. 72, 1844,
+       type from MA(C)xico.
+
+_Range._--Statewide.
+
+_Specimens examined_, 4: nos. 100078-100081, from 2 mi. W PAitzcuaro,
+7,700 ft.
+
+_Remarks._--A colony of 20 or more bats of this species was found in a
+natural cave. Four were caught by hand as they flew about after we
+disturbed them. We returned on the following day, but found that all
+the bats had left.
+
+
+=Leptonycteris nivalis nivalis= (Saussure)
+
+Leaf-nosed Bat; Spanish, MurciA(C)lago LengA1/4ilarga
+
+    _M[=Ischnoglossa]. nivalis_ Saussure, Revue et Magasin de
+       ZoA�logie, 12(ser. 2):492, November, 1860, type from near snow
+       line on Mount Orizaba.
+
+    _Leptonycteris nivalis_, Miller, Proc. Biol. Soc. Washington,
+       13:126, April 6, 1900.
+
+_Range._--Probably middle and higher altitudes through state.
+
+_Specimen examined_, 1: no. 91911, Univ. Michigan Mus. ZoA�l., from
+1050 m., 12 miles (on Huetamo Road) south of Tzitzio.
+
+_Remarks._--The subspecific name _L. n. nivalis_ is tentatively
+applied to this specimen in the absence of an opportunity to compare
+it directly with the holotype or topotypes of _Leptonycteris nivalis
+yerbabuenae_ Martinez and Villa (1940:291). Unfortunately, the
+materials on which this name, _L. n. yerbabuenae_, was based all were
+destroyed in 1945 or 1946 while Villa was absent from the Institute of
+Biology of the University of MA(C)xico.
+
+
+=Artibeus planirostris planirostris= (Spix)
+
+Big Leaf-nosed Bat; Spanish, MurciA(C)lago Zapotero
+
+    _Phyllostoma planirostre_ Spix, Simiarum et vespertilionum
+       Brasiliensium, p. 66, 1823, type from suburbs of Bahia,
+       Brazil.
+
+    _Artibeus planirostris_, Dobson, Catal. Chiroptera, British
+       Mus., p. 515 (part), 1878.
+
+_Range._--Probably southwestern part of state.
+
+_Specimen examined_, 1: no. 945b B. Villa R., field no., I.B., El
+Guayabo, 34 kms. S Uruapan.
+
+_Measurements._--Head and body, 89.0 mm.; total length of skull to
+front of upper canines, 28.0; mastoid breadth, 15.5; zygomatic
+breadth, 17.8; maxillary width across first upper molars, 13.2;
+breadth across cingula of upper canines, 7.9; greatest length of one
+ramus of lower jaw including anteriormost incisor tooth, 19.4; length
+of upper tooth-row, anterior border of canine to posterior border of
+M2, 10.4; length of lancet (nose-leaf), 9.0; width of lancet, 6.5;
+width of horseshoe, 9.0; forearm, 57.3; 3rd metacarpal, 52.6; 1st
+(basal) phalanx, 16.0; 2nd (middle) phalanx, 26.7; 3rd (distal)
+phalanx, 18.5; 4th metacarpal, 50.7; 1st (basal) phalanx, 14; 2nd
+phalanx, 18.8; 5th metacarpal, 54; 1st (basal) phalanx, 11.2; 2nd
+phalanx, 13.2; lower leg, 22.9; foot with claws, 15.2; calcar, 6.5.
+
+_Remarks._--Our single specimen, a female, was caught on July 28,
+1945, by my (B. Villa's) father, Andres Villa, in a natural cave,
+roosting with the individuals of _Glossophaga s. leachii_. The
+northernmost locality in MA(C)xico from which _A. p. planirostris_
+previously has been recorded is El Papayo, in the state of Guerrero
+(Andersen, 1908:238), approximately 225 kilometers to the southward.
+_A. p. planirostris_ and _Artibeus jamaicensis_ closely resemble each
+other but _A. planirostris_ may be recognized by the presence of a
+minute M3 which is absent in _A. jamaicensis_. Specimen no. 945b has
+M3 present on both sides of the upper jaw. From _Artibeus hirsutus_,
+known from La Salada, MichoacAin, approximately 40 miles north and
+slightly to the east of El Guayabo, our specimen differs in the
+apparently hairless tibia and interfemoral membrane. The measurements,
+of no. 945b, recorded above, if compared with those given by Andersen
+(1908:246) are seen mostly to fall within the range recorded for _A.
+hirsutus_. Where measurements are outside this range, they fall within
+the range of those of the larger _A. p. planirostris_. We recognize
+that the Mexican species of _Artibeus_ are not well understood, at
+least by us.
+
+
+=Artibeus hirsutus= K. Andersen
+
+Leaf-nosed Bat; Spanish, MurciA(C)lago Zapotero
+
+    _Artibeus hirsutus_ K. Andersen, Ann. and Mag. Nat. Hist.,
+       18(ser. 7):420, December, 1906, type from La Salada,
+       MichoacAin.
+
+_Range._--Known from western part of state.
+
+_Remarks._--From MichoacAin, Andersen (1908:247) examined three
+specimens, all from the type locality.
+
+
+=Desmodus rotundus murinus= Wagner
+
+Vampire Bat; Spanish, Vampiro
+
+    _D[esmodus]. murinus_ Wagner, Schreber's SAugethiere, Suppl.,
+       1:377, 1840, type from MA(C)xico.
+
+    _Desmodus rotundus murinus_, Osgood, Field Mus. Nat. Hist.,
+       publ. 155, zoA�l. ser., 10:63, January 10, 1912.
+
+_Range._--Statewide, except rare or absent at higher altitudes.
+
+_Specimens examined_, 6: nos. 944-949 B. Villa R. field numbers, I.B.,
+El Guayabo, 34 kms. S Uruapan.
+
+_Remarks._--This species is colonial; usually it is found in large
+numbers in favorite roosting sites, mainly in natural caves. Four of
+our specimens, caught in July, are females and two are young males.
+One, female, no. 944, has one embryo of 40 mm. in length.
+
+
+=Myotis yumanensis lutosus= Miller and Allen
+
+Yuma Myotis; Spanish, MurciA(C)lago de Yuma
+
+    _Myotis yumanensis lutosus_ Miller and Allen, U. S. Nat. Mus.,
+       Bull., 144:72, May 25, 1928, type from PAitzcuaro, MichoacAin.
+
+    _Myotis yumanensis_, Miller, N. Amer. Fauna, 13:67, October
+       16, 1897.
+
+_Range._--Known only from PAitzcuaro and El Molino.
+
+_Remarks._--Originally recorded by Miller (1897:67) from PAitzcuaro,
+the animals from central MA(C)xico were named as a new subspecies by
+Miller and Allen (1928:72) who record one specimen from El Molino.
+
+
+=Myotis velifer velifer= (Allen)
+
+Cave Bat; Spanish, MurciA(C)lago Vespertino
+
+    _Vespertilio velifer_ J. A. Allen, Bull. Amer. Mus. Nat.
+       Hist., 3:177, December 10, 1890, type from Santa Cruz del
+       Valle, Guadalajara, Jalisco.
+
+    _Myotis velifer velifer_, Allen and Miller, U. S. Nat. Mus.
+       Bull., 144:89, May 25, 1928.
+
+_Range._--Statewide.
+
+_Specimens examined_, 17: nos. 100083-100099, from 3 mi. NW PAitzcuaro,
+6,700 ft.
+
+_Remarks._--Our specimens were taken on March 12, 1943, from a crevice
+in the wall of an abandoned chapel where 35 or more individuals of
+both sexes were living. Miller (1897:59) records the species from
+PAitzcuaro and Miller and Allen (1928:91) record it from there and also
+from Lake Chapala, La Palma, AcAimbaro (now in Guanajuato) and
+Negrete.
+
+
+=Myotis thysanodes thysanodes= Miller
+
+Fringed-tailed Myotis; Spanish, MurciA(C)lago Colirugosa
+
+    _Myotis thysanodes_ Miller, N. Amer. Fauna, 13:80, October 16,
+       1897, type from Old Fort Tejon, Kern County, California.
+
+_Range._--Known only from PAitzcuaro.
+
+_Remarks._--In the original description five specimens are recorded
+from PAitzcuaro and Miller and Allen (1928:127) mention the same
+locality of occurence.
+
+
+=Myotis californicus mexicanus= (Saussure)
+
+California Myotis; Spanish, MurciA(C)lago de California
+
+    _V[espertilio]. mexicanus_ Saussure, Rev. et Mag. de ZoA�l., 12
+       (ser. 2):282, 1860, type from somewhere in the warmer part of
+       the state of MA(C)xico.
+
+    _Myotis californicus mexicanus_, Miller, N. Amer. Fauna,
+       13:73, October 16, 1897.
+
+_Range._--Known in MichoacAin only from PAitzcuaro.
+
+_Remarks._--Specimens from PAitzcuaro are recorded by Miller and Allen
+(1928:160).
+
+
+=Eptesicus fuscus miradorensis= (H. Allen)
+
+Big Brown Bat; Spanish, MurciA(C)lago Fusco
+
+    _S[cotophilus]. miradorensis_ H. Allen, Proc. Acad. Nat. Sci.
+       Philadelphia, p. 287, 1866, type from Mirador, Veracruz.
+
+    _Eptesicus fuscus miradorensis_, Miller, N. Amer. Land Mamm.,
+       1911, p. 62, December 31, 1912.
+
+_Range._--Probably statewide.
+
+_Specimen examined_, 1: no. 91909, Univ. Michigan, Mus. ZoA�l., from
+Rancho Escondido, one mile north of Apo, 6,000 feet elevation, June
+29, 1947, female adult, taken by W. H. Burt.
+
+
+=Lasiurus borealis mexicanus= (Saussure)
+
+Red Bat; Spanish, MurciA(C)lago Rojizo
+
+    _A[talapha]. mexicana_ Saussure, Rev. et Mag. de ZoA�l.,
+       13(2):97, March, 1861, type probably from Veracruz, Puebla
+       or Oaxaca.
+
+    _Lasiurus borealis mexicanus_, Miller, N. Amer. Fauna, 13:111,
+       October 16, 1897.
+
+_Range._--Probably larger part of state.
+
+_Specimen examined_, 1: no. 89446, Univ. Michigan, Mus. ZoA�l., from
+Nuevo San Juan (Los Conejos), 5 mi. SW Uruapan, May 23, 1945, by W. H.
+Burt.
+
+_Remarks._--This specimen, a male with much worn teeth, answers well
+to the description of _L. b. mexicanus_ except that the minute
+premolar between the canine and fourth premolar is missing on each
+side of the upper jaw. This, however, seems the less remarkable after
+examination of 18 skulls of _L. b. borealis_ from the United States in
+two of which these minute premolars are likewise absent; one of the
+two specimens from the United States has unworn teeth and the other
+much worn teeth.
+
+
+=Lasiurus cinereus cinereus= (Beauvois)
+
+Hoary Bat; Spanish, MurciA(C)lago Pardo
+
+    _Vespertilio cinereus_ (misspelled _linereus_) Beauvois,
+       Catal. RaisonnA(C) Mus. Peale, Philadelphia, p. 18, 1796,
+       type locality, Philadelphia, Pennsylvania.
+
+    _Lasiurus cinereus_, H. Allen, Monogr. N. Amer. Bats,
+       Smithsonian Misc. Colls., 7(1): 12, June, 1864.
+
+_Range._--Higher elevations throughout state.
+
+_Specimen examined_, 1: no. 89456, Univ. Michigan Mus. ZoA�l., from
+Barranca Seca, May 6, 1945, adult male with much worn teeth, obtained
+by W. H. Burt.
+
+
+=Corynorhinus rafinesquii mexicanus= G. M. Allen
+
+Long-eared Bat; Spanish, MurciA(C)lago Narigudo
+
+    _Corynorhinus megalotis mexicanus_ Allen, G. M., Bull. Mus.
+       Comp. ZoA�l., 60:347, April, 1916, type from "near Pacheco,"
+       Chihuahua.
+
+    _Corynorhinus rafinesquii mexicanus_, Miller, U. S. Nat. Mus.,
+       Bull., 128:83, April 29, 1924.
+
+    _Corynorhinus macrotis pallescens_, Miller, N. Amer. Fauna,
+       13:52, October 16, 1897.
+
+_Range._--Known from only PAitzcuaro.
+
+_Remarks._--Miller (1897:53) recorded one specimen from PAitzcuaro and
+Allen (1916:349) merely alludes to Miller's record.
+
+
+=Tadarida mexicana= (Saussure)
+
+Mexican Free-tailed Bat; Spanish, MurciA(C)lago Coludo
+
+    _Molossus mexicanus_ Saussure, Rev. et Mag. de ZoA�l., 12:283,
+       July, 1860, type from Cofre de Perote, 13,000 feet, Veracruz.
+
+    _Tadarida mexicana_, Miller, Bull. U. S. Nat. Mus., 128:86,
+       April 29, 1924.
+
+_Range._--Statewide.
+
+_Specimens examined_, 12: nos. 100100-100111, distributed by
+localities as follows: 1 mi. N Zamora, 5,450 ft., 1; 3 mi. N
+PAitzcuaro, 6,800 ft., 3; 3 mi. NW PAitzcuaro, 6,700 ft., 3; Isla
+Janitzio, Lago de PAitzcuaro, 6,600 ft., 5.
+
+_Remarks._--This species is widespread in MA(C)xico, ranging from sea
+level to high elevations as at the type locality. In MichoacAin most of
+our specimens were shot as they flew about at early dusk. The five
+from Isla Janitzio were shot as they clung to the roof of a cave along
+with scores of other individuals of the same species.
+
+
+=Eumops underwoodi underwoodi= Goodwin
+
+Mastiff Bat; Spanish, MurciA(C)lago Mastin
+
+    _Eumops underwoodi_ Goodwin, Amer. Mus. Novitates, 1075:2,
+       June 27, 1940, type from El Pedrero, 6 km. N Chinaela,
+       approximately 3,000 ft. elevation, Dept. La Paz, Honduras.
+
+_Range._--Known only from TancA-taro Mtn.
+
+_Specimen examined_, 1: no. 89461, Univ. Michigan Mus. ZoA�l., from
+Rancho Escondido, 2 mi. N Apo, TancA-taro Mtn., [F] ad. with much worn
+teeth, taken June 11, 1945, by W. H. Burt.
+
+_Remarks._--Selected measurements of this specimen are: Total length,
+158; ear from notch, 32; mastoid breadth, 16.1; width across crowns
+of M3, 12.6; maxillary tooth-row (from anterior face of canine above
+cingulum to posterior face of M3), 11.8. The total length is less than
+in _E. underwoodi_ or than in _Eumops sonoriensis_ Benson (1947:133);
+the other measurements given above exceed those of _E. sonoriensis_
+and equal or approach those of _E. underwoodi_. The ears seem not to
+be connected across the forehead; the color is near (_l_) Bister above
+and slightly lighter on the underparts.
+
+The specimen is clearly intermediate in size, as it also is
+geographically, between _Eumops underwoodi underwoodi_ Goodwin and
+_Eumops underwoodi sonoriensis_ Benson and gives basis for arranging
+these two named kinds as subspecies of a single species as Benson
+(1947:134) suggested might prove to be necessary. We are not certain
+whether this specimen should be referred to the subspecies
+_underwoodi_ or _sonoriensis_ and probably this uncertainty will
+remain until the range of individual variation in _underwoodi_ is
+known.
+
+
+=Procyon lotor hernandezii= Wagler
+
+Raccoon; Spanish, Mapache; Tarascan, ApAitze (Apatz)
+
+    _Pr[ocyon] hernandezii_ Wagler, Isis, 24:514, 1831, type from
+       Valley of MA(C)xico, according to Nelson and Goldman (Proc.
+       Biol. Soc. Washington, 44:17, February 21, 1931).
+
+    _Procyon lotor hernandezii_, Allen, Bull. Amer. Mus. Nat.
+       Hist., 3:176, December 10, 1890.
+
+_Range._--Statewide.
+
+_Specimens examined_, 2: no. 100113 from 10 mi. ESE Zamora, 5,500 ft.,
+1; no. 52220 from 15 kms. W Apatzingan, 1,040 ft., 1.
+
+_Remarks._--In allusion to its habit of washing its food, in captivity
+at least, before eating it, the Spanish speaking people often refer to
+this species as _ositos labadores_. The specimen from 10 mi. ESE
+Zamora is a skull without lower jaws or indication of sex. Because the
+racoons damage corn in the roasting ear stage the animals are disliked
+by the farmers, a score of whom sometimes band together in an
+organized hunt to kill the animals. Dogs are especially trained to
+hunt them. In MichoacAin no use is made of the pelts.
+
+
+=Nasua narica molaris= Merriam
+
+Coati; Spanish, Pizote; Tarascan, AmAitze (Amatz)
+
+    _Nasua narica molaris_ Merriam, Proc. Biol. Soc. Washington,
+       15:68, March 22, 1902, type from Manzanillo, Colima; Goldman,
+       Proc. Biol. Soc. Washington, 55:79, June 25, 1942.
+
+_Range._--Probably all but higher parts of state.
+
+_Remarks._--We have no positive record of this animal which Goldman
+(1942:79) writes "is widely distributed from Jalisco south through
+Colima, MichoacAin, ... to southwestern Oaxaca." In the parts of
+MichoacAin visited by us the Spanish name tejA cubedn instead of pizote was
+used for this animal although in parts of MA(C)xico where the badger
+(_Taxidea_) occurs, tejA cubedn is, we understand, the name used for the
+badger.
+
+
+=Bassariscus astutus consitus= Nelson and Goldman
+
+Ring-tailed Cat; Spanish, Cacomixtle
+
+    _Bassariscus astutus consitus_ Nelson and Goldman, Jour.
+       Washington Acad. Sci., 22:487, October 19, 1932, type from
+       La Salada, 40 mi. S Uruapan, MichoacAin.
+
+_Range._--Probably greater part, or all, of state.
+
+_Specimen examined_, 1: no. 100112 from 3 mi. NW PAitzcuaro, 6,700 ft.
+
+_Remarks._--La Salada and three miles northwest of PAitzcuaro are the
+two localities represented by actual specimens. A live animal, at
+night, was seen one mile east and four miles south of TacAimbaro at
+4,500 feet elevation. The young female from three miles northwest of
+PAitzcuaro was trapped at a break in a stone fence.
+
+Ring-tailed cats live in the stone walls, crevices and rocky ledges,
+around corn fields and pasture lands.
+
+
+=Mustela frenata leucoparia= (Merriam)
+
+Weasel; Spanish, Comadreja; Tarascan, ApAisr or Apatzee (Apatz)
+
+    _Putorius frenatus leucoparia_ Merriam, N. Amer. Fauna, 11:29,
+       June 30, 1896, type from PAitzcuaro, MichoacAin.
+
+    _Mustela frenata leucoparia_, Miller, Bull. U. S. Nat. Mus.,
+       79:100, December 31, 1912.
+
+_Range._--Probably statewide.
+
+_Specimens examined_, 6: in Biological Surveys Collection of U. S.
+Nat. Mus., nos. 120304, 125972, 34914/47179, 36855/49239, and
+34915/47180; 2014 B. Villa R., I.B., distributed as follows:
+Zamora, 1; Los Reyes, 1; PAitzcuaro, 4.
+
+_Remarks._--This subspecies of weasel is notable for having, among
+American weasels of any kind, the maximum amount of white on the head.
+When collecting at PAitzcuaro we saw no live specimens but were shown
+several from there that had been recently mounted by P. Luna. He
+regarded the animal as not especially rare.
+
+
+=Spilogale angustifrons angustifrons= Howell
+
+Spotted Skunk; Spanish, Zorrillo Manchado
+
+    _Spilogale angustifrons_ Howell, Proc. Biol. Soc. Washington,
+       15:242, December 16, 1902, type from Tlalpam, D. F.
+
+_Range._--Probably all of state except low coastal area.
+
+_Specimen examined_, 1: no. 100126, 3 mi. NW PAitzcuaro, 6,700 ft.
+
+_Remarks._--The short tail of our specimen, an adult male, is
+noteworthy as perhaps also is the breadth between the orbits.
+External measurements are 338, 101, 39. It weighed 308 grams.
+Selected cranial measurements are: Basilar length, 44.1; zygomatic
+breadth, 32.4; postpalatal length, 26.6; least interorbital breadth,
+13.8; height of cranium, 16.0. The specimen was trapped in a hole in a
+stone fence. Howell (1906:23), under the name _Spilogale gracilis_,
+recorded another male from PAitzcuaro.
+
+
+=Mephitis macroura macroura= Lichtenstein
+
+Hooded Skunk; Spanish, Zorrillo or Mofeta Rayada; Tarascan, Cuitziqui
+(Kweetzeke)
+
+    _Mephitis macroura_ Lichtenstein, Darstellung Neuer oder wenig
+       bekannter SAugethiere pl. 46, 1832, type from mountains
+       northwest of MA(C)xico City.
+
+_Range._--Statewide.
+
+_Specimens examined_, 12: nos. 100114-100125, distributed with
+reference to PAitzcuaro, as follows: 3 mi. NW, 6,700 ft., 1; 2 mi. W,
+7,600 and 7,000 ft., 2; 3-1/2 mi. S, 7,900 ft., 1; 4 mi. S, 7,800 ft.,
+2; 5 mi. S, 7,800 ft., 5; 9 mi. SE, 8,000 ft., 1.
+
+_Remarks._--Skunk tracks were abundant in all localities around
+PAitzcuaro. Most of our specimens were caught in steel traps, some
+along the edges of cornfields, others along the highway and along the
+pole fences. Tarascan friends at Colonia RevoluciA cubedn were eager to have
+the bodies of the skunks which we caught. They regarded the skunks as
+a delicacy and told us that this food was reputed to be good for a
+person's blood and complexion.
+
+
+=Conepatus mesoleucus nelsoni= Goldman
+
+Hog-nosed Skunk; Spanish, Zorillo Real
+
+    _Conepatus mesoleucus nelsoni_ Goldman, Jour. Mamm., 3:41,
+       February 8, 1922, type from ArmerA-a (near Manzanillo),
+       Colima, 200 ft. altitude.
+
+_Range._--Probably greater part, or all, of state.
+
+_Specimen examined_, 1: no. 52217, TancA-taro, 6,000 ft.
+
+_Remarks._--The name _C. m. nelsoni_ is tentatively used for the
+single skin, which is without skull or indication of sex.
+
+
+=Urocyon cinereoargenteus colimensis= Goldman
+
+Gray Fox; Spanish, Zorra Gris; Tarascan, Cumihuaitz (Cumewatz)
+
+    _Urocyon cinereoargenteus colimensis_ Goldman, Jour.
+       Washington Acad. Sci., 28:495, November 15, 1938, type
+       from 3 mi. W city of Colima, 1,700 ft. elevation.
+
+_Range._--Statewide.
+
+_Specimens examined_, 2: no. 100127, from 1 mi. E and 6 mi. S
+TacAimbaro, 4,000 ft., and no. 51393 from Apatzingan.
+
+_Remarks._--The female from southeast of TacAimbaro, caught on March
+20, 1943, had two embryos, 28 mm. in length. This female was trapped
+near a small stream. Goldman (1938:497) reported 7 specimens of _U. c.
+colimensis_ from the following localities in the state: La Huacana, 1;
+La Salada, 2; Los Reyes, 1; Mount TancA-taro, 1; PAitzcuaro, 2.
+
+
+PLATE 4
+
+   [Illustration: FIG. 1. Panoramic view of Lake PAitzcuaro.]
+
+   [Illustration: FIG. 2. Stuffed skins, in dorsal view, of 6
+      males of _Mephitis macroura macroura_, all trapped within
+      a radius of 5 miles of PAitzcuaro, to show the amount of
+      individual variation in color-pattern. A--1/10. Photo by
+      W. C. Matthews.]
+
+
+PLATE 5
+
+   [Illustration: FIG. 1. Ungrazed pasture with oaks on slope of
+      El Estribo, 7,700 feet elevation, two miles west of the town
+      of PAitzcuaro, MichoacAin. Several species of rodents, _Liomys_,
+      _Sigmodon_, and _Peromyscus_ were taken abundantly in the
+      grass in the immediate foreground. Photo March 16, 1943, by
+      Mary F. Hall.]
+
+   [Illustration: FIG. 2. Xerophitic vegetation, eleven miles west
+      of Zamora, MichoacAin. 5,750 feet elevation, where rodents
+      were trapped. Photo March 26, 1943, by Mary F. Hall.]
+
+
+=Canis latrans cagottis= (Hamilton Smith)
+
+Coyote; Spanish, Coyote; Tarascan, JihuAitz (Hewatz)
+
+    _Lyciscus cagottis_ Hamilton Smith, Jardine's Naturalist's
+       Library, Mamm., 9:164, 1839, type from RA-o FrA-o between
+       city of MA(C)xico and Puebla.
+
+    _Canis latrans cagottis_, Nelson, Proc. Biol. Soc. Washington,
+       45:224, November 26, 1932.
+
+_Range._--Probably most of state.
+
+_Remarks._--On March 27 or 28, 1943, in Morelia, at a gasoline filling
+station, one of us (Hall) saw a freshly killed coyote tied on the
+bumper of the automobile of a Medical Doctor. In response to inquiry
+about the animal the Doctor said that he killed it some 15 miles
+northeast of town.
+
+
+=Lynx rufus escuinapae= Allen
+
+Bobcat; Spanish, Gato del Monte; Tarascan, MisA-cpAipu (misicpapu)
+
+    _Lynx ruffus escuinapae_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       19:614, November 14, 1903, type from Escuinapa, Sinaloa.
+
+_Range._--Probably all of state above the Tropical Life-zone.
+
+_Specimen examined_, 1: no. 47818 (U. S. Nat. Mus., Biol. Surv.
+Coll.), PAitzcuaro.
+
+_Remarks._--The skull of the male from PAitzcuaro agrees well with
+those of topotypes of _L. r. escuinapae_ even to the elongate tympanic
+bullae. Because of their elongation the bullae resemble, in some
+degree, those of the ocelot. Natives told us that the gato del monte
+was resident around PAitzcuaro. Four miles south of PAitzcuaro in a
+cornfield at the edge of an area grown up to oak trees and brush,
+tracks were seen that our Indian companion identified as those of the
+gato del monte.
+
+
+=Citellus variegatus variegatus= (Erxleben)
+
+Rock Squirrel; Spanish, Ardilla de Pedregal; Tarascan, KuarAiki
+(Kuaraki)
+
+    _[Sciurus] variegatus_ Erxleben, Syst. Regni, Anim., 1:421,
+       1777; type locality fixed as Valley of MA(C)xico near the city
+       of MA(C)xico, by Nelson, Science, N. S., 8:898, December 23, 1898.
+
+    _[Citellus] variegatus_, Elliot, Field Columb. Mus. Pub.,
+       zoA�l. ser. 4:148, 1904.
+
+_Range._--Probably in all semi-arid, rocky habitats of the state.
+
+_Specimens examined_, 11: nos. 100128-100135; 51385-51387, distributed
+by localities as follows: 1 mi. N Zamora, 5,450 ft., 1; 3 mi. NW
+PAitzcuaro, 6,700 ft., 5; 4 mi. S PAitzcuaro, 7,800 ft., 1; 1-1/2 mi. S
+TacAimbaro, 5,700 ft., 1; Mount TancA-taro, 1; Pedregal, TancA-taro, 1;
+TancA-taro, 1.
+
+_Remarks._--Rock squirrels were seen along rock fences, around
+PAitzcuaro, where they are fairly common. On July 17 and 18, 1947, at
+San Juan Parangaricutiro, one of us (Villa) saw these squirrels
+running over the newly formed lava bed which was still emitting vapors
+and which in places (between boulders) was emitting heat detectable by
+the collectors. This is only additional evidence of the animal's
+strong predilection for rocks, boulders and cliffs, which has earned
+for it, in parts of the western United States, the vernacular name
+"rock squirrel" and in MA(C)xico "_Ardilla de Pedregal_."
+
+Howell (1938:138) reported specimens from the following localities:
+AcAimbaro, 1; Los Reyes, 1; Mount TancA-taro, 2; PAitzcuaro, 12;
+QuerA(C)ndaro, 1; Zamora, 2.
+
+
+=Citellus adocetus adocetus= Merriam
+
+Lesser Tropical Ground Squirrel; Spanish, Cuiniqui; Tarascan, KuarAiki
+(Kuaraki)
+
+    _Citellus adocetus_ Merriam, Proc. Biol. Soc. Washington,
+       16:79, May 29, 1903, type from La Salada, 40 miles south
+       of Uruapan, MichoacAin.
+
+_Range._--Southern part of state in arid tropical land.
+
+_Specimens examined_, 4: nos. 52000, 52001, 51388, 51389, distributed
+by localities as follows: "Near TancA-taro," 2; Acahuato, 1;
+Apatzingan, 1,040 ft., 1.
+
+_Remarks._--Ground squirrels of this species are fairly abundant in
+the arid tropical parts of the state. Their burrows are usually found
+on stony areas along small ravines or under mesquite (_Prosopis
+juliflora_) thickets. The name cuiniqui in use by the Spanish speaking
+population is merely a corruption of the Tarascan name. Cuiniqui,
+therefore, is a particular kind of _ardilla terrA-cola_ (ground
+squirrel).
+
+
+=Sciurus poliopus nemoralis= Nelson
+
+MichoacAin Squirrel; Spanish, Ardilla arborA-cola; Tarascan, UakuA-
+(Wakqe)
+
+    _Sciurus albipes nemoralis_ Nelson, Proc. Biol. Soc,
+       Washington, 12:151, June 3, 1898, type from PAitzcuaro,
+       MichoacAin.
+
+    _Sciurus poliopus nemoralis_ Nelson, Proc. Washington Acad.
+       Sci., 1:50, May 9, 1899.
+
+_Range._--Pine and oak forests of most of state.
+
+_Specimens examined_, 3: nos. 2102 and 2103 Louisiana State University
+from 20 mi. E Morelia, 7,300 ft., and no. 1369 B. Villa R. from 1-1/2
+km. N San Juan 2,250 meters.
+
+_Remarks._--Tree squirrels of this kind have been reported by Nelson
+(1899:51) from PAitzcuaro and Nahuatzin.
+
+The young specimen, no. 2102, [M], has the tail slender, resembling
+somewhat that of the _S. p. senex_ from the southward. The underparts
+of the female are Warm Buff, more clearly so on the underside of the
+legs.
+
+
+=Sciurus poliopus senex= Nelson
+
+MichoacAin Squirrel; Spanish, Ardilla ArborA-cola; Tarascan, UakuA-
+(Wakqe)
+
+    _Sciurus poliopus senex_ Nelson, Proc. Biol. Soc. Washington,
+       17:148, October 6, 1904, type from La Salada, 40 mi. S
+       Uruapan.
+
+_Range._--Lowlands in southern part of state.
+
+_Specimens examined_, 3: nos. 52004, 52014, 52015, distributed by
+localities as follows: TancA-taro, 6,000 ft., 1; Apatzingan,
+1,040 ft., 2.
+
+_Remarks._--Specimen number 52014, [M], represents the melanistic
+phase of this subspecies.
+
+The upper parts of the hind legs in this specimen are slightly
+grizzled. The upper side of the tail is vermiculated with whitish
+and the underside of the tail is black.
+
+
+=Thomomys umbrinus pullus= Hall and Villa
+
+Southern Pocket Gopher; Spanish, Tuza Serrana; Tarascan,
+Cumu (Como)
+
+    _Thomomys umbrinus pullus_ Hall and Villa, Univ. Kansas Publ.,
+       Mus. Nat. Hist., 1:251, July 26, 1948, type from 5 miles
+       south PAitzcuaro, 7,800 ft., MichoacAin.
+
+_Range._--Known only from pine-covered rolling land three to five
+miles south of PAitzcuaro.
+
+_Specimens examined_, 17: nos. 100136-100152, distributed by
+localities as follows: 3 mi. S PAitzcuaro, 7,800 ft., 1; 4 mi. S
+PAitzcuaro, 7,800 ft., 10; 5 mi. S PAitzcuaro, 7,800 ft., 6.
+
+_Remarks._--Most of these pocket gophers were caught in areas
+supporting a good growth of pine trees in the same places where the
+much larger pocket gopher, _Cratogeomys gymnurus_, lived. Concerning
+the individual designated as the type specimen, H. H. Hall (field
+notes) writes that when he was making an excavation to reveal the
+gopher's burrow (5 inches below the surface), he dug deeper than was
+necessary and broke into the burrow of a _Cratogeomys_ directly below.
+Another of us (E. R. Hall) had the same experience where the burrow of
+a _Thomomys_ was approximately six inches below ground and that of a
+_Cratogeomys_ approximately 16 inches below the surface of the ground.
+At the time this arrangement led us to wonder if _Thomomys_ was in
+some sense a "parasite" on the larger _Cratogeomys_ by levying on food
+stores, if _Cratogeomys_ has any, but we found no evidence that such
+was the case and from our subsequent trapping concluded that the
+two-story arrangement was accidental and not the rule. The habit of
+burrowing at different levels probably was one factor which permitted
+the two kinds of pocket gophers to live in the same area. The average
+weight of these gophers was 86 grams in males and 74 grams in females,
+or only an eighth as much as in _Cratogeomys_.
+
+
+=Cratogeomys gymnurus imparilis= (Goldman)
+
+Plains Pocket Gopher; Spanish, Tuza Llanera; Tarascan,
+Cumu (Como)
+
+    _Platygeomys gymnurus imparilis_, Goldman, Jour. Mamm., 20:89,
+       February 14, 1939, type from PAitzcuaro, 7,000 ft., MichoacAin.
+
+    _Platygeomys tylorhinus_ Merriam, N. Amer. Fauna, 8:167, pl.
+       13, fig. 1, January 31, 1895.
+
+_Range._--PAitzcuaro and TacAimbaro, as now known.
+
+_Specimens examined_, 14: nos. 100153-100166, distributed by
+localities as follows: 2 mi. W PAitzcuaro, 7,700 ft., 2; 3 mi. S
+PAitzcuaro, 7,800 ft., 1; 4 mi. S PAitzcuaro, 7,800 ft., 1; 5 mi. S.
+PAitzcuaro, 7,800 ft., 6; 9 mi. SE PAitzcuaro, 8,000 ft., 1; 1-3/4 mi. S
+TacAimbaro, 5,700 ft., 1; 1-1/2 mi. S TacAimbaro, 5,700 ft., 2.
+
+_Remarks._--Burrows were common in cultivated fields and along the
+roads and trails on the southern and southeastern side of Lake
+PAitzcuaro. In the vicinity of TacAimbaro we noted burrows only in the
+area between one and a half and two miles south of town where two
+specimens were taken. As mentioned in the immediately preceding
+account, the small _Thomomys umbrinus pullus_ and the large
+_Cratogeomys_ were found in the same area. The color of our specimens
+varies from Cinnamon-Brown through Prouts Brown and in some specimens
+is Fuscous Black.
+
+Hooper (1946:397) has shown that the genus _Platygeomys_ is not
+generically distinct from the earlier named _Cratogeomys_. From
+independent study of specimens not examined by Hooper we have
+satisfied ourselves that he is correct in synonymizing _Platygeomys_
+under _Cratogeomys_. Average and extreme weights of 4 of each sex from
+2 to 5 miles south of PAitzcuaro are: [M], 683 (562-819); [F], 558
+(438-707) grams.
+
+
+=Cratogeomys angustirostris= (Merriam)
+
+Plains Pocket Gopher; Spanish, Tuza Llanera; Tarascan,
+Cumo (Como)
+
+    _Platygeomys tylorhinus angustirostris_ Merriam, Proc. Biol.
+       Soc. Washington, 16:81, May 29, 1903, type from PatambAin,
+       10,000 ft., MichoacAin.
+
+    _Platygeomys angustirostris_, Goldman, Jour. Mamm., 20:90,
+       February 14, 1939.
+
+_Range._--Known only from the type locality.
+
+
+=Cratogeomys varius= (Goldman)
+
+Plains Pocket Gopher; Spanish, Tuza Llanera; Tarascan,
+Cumu (Como)
+
+    _Platygeomys varius_ Goldman, Jour. Mamm., 20:90, February 14,
+       1939, type from Uruapan, about 6,000 ft., MichoacAin.
+
+_Range._--Known only from the type locality.
+
+_Remarks._--Specimens from localities intermediate between Uruapan,
+the type locality of _C. varius_, and the known localities of
+occurence of _Cratogeomys gynmurus imparilis_ are much needed to
+ascertain if _C. varius_ is specifically different from _C. g.
+imparilis_, or merely subspecifically different.
+
+
+=Zygogeomys trichopus tarascensis= Goldman
+
+MichoacAin Pocket Gopher; Spanish, Tuza de MichoacAin; Tarascan,
+Cumu (Como)
+
+    _Zygogeomys trichopus tarascensis_ Goldman, Proc. Biol. Soc.
+       Washington, 51:211, December 23, 1938, type from six miles
+       southeast of PAitzcuaro, 8,000 ft., MichoacAin.
+
+    _Zygogeomys trichopus_ Merriam, N. Amer. Fauna, 8:196,
+       January 31, 1895.
+
+_Range._--"Known only from the upper slopes of the mountains in the
+vicinity of the type locality" (Goldman, 1938:211).
+
+_Remarks._--As we drove an automobile from PAitzcuaro to TacAimbaro we
+noted mounds made by pocket gophers along the road in the highest part
+of the pass and supposed that these mounds were made by _Zygogeomys_
+although we took no specimens of any kind of pocket gopher in the
+pass.
+
+
+=Zygogeomys trichopus trichopus= Merriam
+
+MichoacAin Pocket Gopher; Spanish, Tuza de MichoacAin; Tarascan,
+Cumu (Como)
+
+    _Zygogeomys trichopus_ Merriam, N. Amer. Fauna, 8:196, pl. 6,
+       14-18, January 31, 1895, type from Nahuatzin, MichoacAin.
+
+_Range._--Altitudinally from 6,000 feet to 11,800 feet on Mountains
+TancA-taro, PatambAin, and at Nahuatzin.
+
+_Specimens examined_, 9: nos. 51970-51978, all from Mount TancA-taro,
+distributed by altitude as follows: 6,000 ft., 5; 7,800 ft., 3; 10,500
+ft., 1.
+
+_Remarks._--The upper parts of specimens available to us are rich
+Seal-Brown and glossy. The chin, and in most specimens, the upper side
+of the hind feet are white; the irregular white patch of the throat is
+present only in two young females, numbers 51974 and 51978.
+
+
+=Liomys pictus plantinarensis= Merriam
+
+Western Spiny Pocket Mouse; Spanish, RatA cubedn Espinoso Occidental;
+Tarascan word for mouse is JeyAiqui (Hayake)
+
+    _Liomys plantinarensis_ Merriam, Proc. Biol. Soc. Washington,
+       15:46, March 5, 1902, type from Plantinar, Jalisco.
+
+    _Liomys pictus plantinarensis_, Goldman, N. Amer. Fauna,
+       34:37, September 7, 1911.
+
+_Range._--Northwestern part of state in semitropical areas.
+
+_Remarks._--Goldman (1911:38) records specimens from Los Reyes, noting
+that in some cranial features they suggest intergradation between _L.
+p. plantinarensis_ and _L. p. parviceps_.
+
+
+=Liomys pictus parviceps= Goldman
+
+Western Spiny Pocket Mouse; Spanish, RatA cubedn Espinoso Occidental
+
+    _Liomys parviceps_ Goldman, Proc. Biol. Soc. Washington,
+       17:82, March 21, 1904, type from La Salada, "40 miles south
+       of Uruapan, MichoacAin."
+
+    _Liomys pictus parviceps_ Goldman, N. Amer. Fauna, 34:38-39,
+       September 7, 1911.
+
+_Range._--Southern part of state in semitropical and tropical areas.
+
+_Specimens examined_, 28: nos. 100185-100199, 52072-52084, distributed
+by localities as follows: Apatzingan, 1,040 ft., 13; 1 mi. E and 2-1/2
+mi. S TacAimbaro, 4,700 ft., 4; 4 mi. S and 1 mi. E TacAimbaro, 4,500
+ft., 5; 1 mi. E and 6 mi. S TacAimbaro, 4,000 ft., 6.
+
+_Remarks._--Most measurements show a sexual dimorphism in this
+subspecies. Adult males are 15 per cent larger in external
+measurements except that the foot is approximately the same. Cranial
+measurements average approximately 5 per cent larger in males except
+that the breadth of the rostrum and length of the maxillary tooth-row
+are slightly less. South and east of TacAimbaro our specimens all were
+taken in dry semitropical country, where bananas and sugar cane were
+the principal crops grown. This subspecies has been recorded also from
+La Huacana, MichoacAin, as well as from La Salada, the type locality,
+by Goldman (1911:39).
+
+
+=Liomys irroratus jaliscensis= (Allen)
+
+Northern Spiny Pocket Mouse; Spanish, RatA cubedn NorteA+-o
+
+    _Heteromys jaliscensis_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       22:251, July 25, 1906, type from Las Canoas, approximately
+       20 mi. W ZapotlAin, 7,000 ft., Jalisco.
+
+    _Liomys irroratus jalicensis_, Goldman, N. Amer. Fauna, 34:60,
+       September 7, 1911.
+
+_Range._--Northwestern part of state.
+
+_Specimens examined_, 3: nos. 120273-120275 (U. S. Nat. Mus.) from
+Zamora.
+
+_Remarks._--As explained in detail by Hall and Villa (1948:254) these
+specimens from Zamora are intergrades between _L. i. jaliscensis_
+and _L. i. acutus_ and with almost equal propriety could be referred
+to either subspecies.
+
+
+=Liomys irroratus acutus= Hall and Villa
+
+Northern Spiny Pocket Mouse; Spanish, RatA cubedn NorteA+-o
+
+    _Liomys irroratus acutus_ Hall and Villa, Univ. Kansas Publ.,
+       Mus. Nat. Hist., 1:253, figs. 4-6, July 26, 1948, type from
+       2 mi. W PAitzcuaro, 7,700 ft., MichoacAin.
+
+    _Liomys irroratus alleni_, Goldman, N. Amer. Fauna, 34:57,
+       September 7, 1911, part.
+
+_Range._--PAitzcuaro and vicinity.
+
+_Specimens examined_, 16: nos. 100170-100184 and 50356 (U. S. N. M.),
+distributed, with reference to PAitzcuaro, as follows: 3 mi. NW, 6,700
+ft., 1; 2 mi. W, 7,700 ft., 5; 2 mi. W, 6,700 ft., 2; PAitzcuaro
+itself, 1; 5 mi. S, 7,800 ft., 7.
+
+_Remarks._--None of the eight females contained embryos. Two adult
+males weigh, in grams, 71.5 and 65.1; the average and extreme weights
+for five adult females are 50.8 (44.8-61.8).
+
+
+=Liomys irroratus alleni= (Coues)
+
+Northern Spiny Pocket Mouse; Spanish, RatA cubedn NorteA+-o
+
+    _Heteromys alleni_ Coues, Bull. Mus. Comp. ZoA�l., 8:187,
+       March, 1881, type from RA-o Verde, San Luis PotosA-, MA(C)xico.
+
+    _Liomys irroratus alleni_ Goldman, N. Amer. Fauna, 34:56,
+       September 7, 1911.
+
+_Range._--Northeastern part of state.
+
+_Specimens examined_, 5: nos. 50325-50329 (U. S. Nat. Mus.) from
+QuerA(C)ndaro.
+
+_Remarks._--The specimens from QuerA(C)ndaro are not typical of the
+subspecies _L. i. alleni_ in that the shape of the interparietal bone
+and width of the basisphenoid bone are almost exactly intermediate
+between the conditions obtaining in typical _L. i. alleni_ and
+topotypes of _L. i. acutus_.
+
+
+=Reithrodontomys megalotis saturatus= Allen and Chapman
+
+Western Harvest Mouse; Spanish, RatA cubedn Orejudo
+
+    _Reithrodontomys saturatus_ Allen and Chapman, Bull. Amer.
+       Mus. Nat. Hist., 9:201, June 16, 1897, type from Las Vigas,
+       Veracruz.
+
+    _Reithrodontomys megalotis saturatus_, Howell, N. Amer. Fauna,
+       36:36, June 5, 1914.
+
+_Range._--Northeastern part of state.
+
+_Specimens examined_, 12: nos. 100202-100212, 100273, from 1 mi. N
+Zamora, 5,450 ft.
+
+_Remarks._--Howell (1914:37) referred nine specimens from Nahuatzin to
+this race and two from the same place to the subspecies _R. m.
+zacatecae_. Our specimens from Zamora agree with topotypes of _R. m.
+saturatus_ and with specimens of that subspecies from the Valley of
+MA(C)xico in dark color and large size.
+
+If our specimens of _Reithrodontomys megalotis_ are correctly
+identified, subspecifically, _R. m. zacatecae_ ranges southward around
+the western end of the geographic range of _R. m. saturatus_.
+
+Where _R. megalotis_ and _R. fulvescens_ occur together, we find the
+skull of the latter to be distinguishable by: a median spine on the
+posterior border of the hard palate (truncate in _R. megalotis_); an
+S-shaped instead of a C-shaped pattern on the worn occlusal face of
+the last lower molar; and two re-entrant angles, on the lateral side
+on the worn occlusal surface of the third upper molar, reaching
+halfway across the tooth whereas in _R. megalotis_ the anterior
+re-entrant angle is wanting or extends less than a third of the way
+across the crown surface of the tooth.
+
+
+=Reithrodontomys megalotis zacatecae= Merriam
+
+Western Harvest Mouse; Spanish, RatA cubedn Orejudo
+
+    _Reithrodontomys megalotis zacatecae_ Merriam, Proc.
+       Washington Acad. Sci., 3:557, November 29, 1901, type from
+       Valparaiso Mountains, Zacatecas.
+
+_Range._--From northwestern part of state south through its central
+part.
+
+_Specimens examined_, 53: nos. 100217-100269; distributed by
+localities, with reference to PAitzcuaro, as follows: 3 mi. N,
+6,700 ft., 3; 3 mi. N, 6,800 ft., 1; 3-1/2 mi. S, 7,900 ft., 3; 4 mi.
+S, 7,800 ft., 31; 5 mi. S, 7,800 ft., 9; 9 mi. SE, 8,000 ft., 6.
+
+_Remarks._--Howell (1914:40) has referred four specimens from PatambAin
+to this subspecies, and our large series from the vicinity of
+PAitzcuaro is also referred to _R. m. zacatecae_ because of small size
+and reddish (less blackish) color. We lack typical specimens of _R. m.
+zacatecae_ from the type locality for comparison and our knowledge of
+_zacatecae_ is derived from Howell's (1914:39) description of it.
+
+Average measurements of 5 adult males of _R. m. zacatecae_ from the
+PAitzcuaro area showing much wear on the teeth compared with those of
+five specimens from the Zamora area, of corresponding sex and age of
+_R. m. saturatus_ reveal the smaller size of _R. m. zacatecae_. Total
+length, 157, 166; length of tail, 84, 84; length of hind foot, 19.6,
+20.1; length of ear from notch in flesh, 14.8, 14.0; basilar length,
+16.2, 16.6; length of nasals, 8.3, 8.5; zygomatic breadth, 11.1, 11.5;
+mastoid breadth, 9.9, 10.2; breadth of rostrum, 3.8, 4.0; interorbital
+construction, 3.2, 3.1; alveolar length of maxillary tooth-row, 3.5,
+3.5; length of rostrum, 7.7, 8.0.
+
+
+=Reithrodontomys fulvescens tenuis= Allen
+
+Fulvous Harvest Mouse; Spanish, RatA cubedn Moreno
+
+    _Reithrodontomys tenuis_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       12:15, March 4, 1899, type from Rosario, Sinaloa.
+
+    _Reithrodontomys fulvescens tenuis_, Howell, N. Amer. Fauna,
+       36:45, June 5, 1914.
+
+_Range._--Western part of state.
+
+_Specimens examined_, 27: nos. 100213-100216, 100274-100277,
+100293-100311, distributed by localities as follows: 11 mi. W Zamora,
+5,750 ft., 2; 6-1/2 mi. W Zamora, 5,950 ft., 2; 6 mi. W Zamora, 5,950
+ft., 4; 1-1/2 mi. SSE TacAimbaro, 5,700 ft., 2; 1-3/4 mi. S TacAimbaro,
+5,700 ft., 1; 1 mi. E and 2-1/2 mi. S TacAimbaro, 7; 4 mi. S and 1 mi.
+E TacAimbaro, 4,700 ft., 5; 1 mi. E and 5 mi. S TacAimbaro, 4,000 ft.,
+1; 1 mi. E and 6 mi. S TacAimbaro, 4,000 ft., 3.
+
+_Remarks._--Of the 19 specimens from the vicinity of TacAimbaro, only
+two have the underparts reddish as does _R. f. inexspectatus_. The
+upper parts are less reddish than in _R. f. inexspectatus_ but more
+reddish and less blackish than in _R. f. toltecus_ from the valley of
+MA(C)xico or than in _R. f. toltecus_ from Zamora. The external
+measurements and cranial measurements are less than in _R. f.
+toltecus_ or _R. f. inexspectatus_ and are as small as, or even
+smaller than, those of _R. f. tenuis_ to the northward or than those
+of _R. f. nelsoni_ to the westward. Relying only on printed
+descriptions of _R. f. tenuis_ and _R. f. nelsoni_, we are inclined to
+refer our specimens to _R. f. tenuis_ although the reddish color, we
+suppose, is evidence of intergradation with _R. f. nelsoni_ and _R. f.
+inexspectatus_.
+
+The four skins from Zamora are gray, as opposed to reddish, both above
+and below and in this respect they agree with the description of _R.
+f. tenuis_. They are lighter-colored (grayer) than either _R. f.
+toltecus_ or _R. f. inexspectatus_. The four specimens from Zamora are
+larger than animals from the vicinity of TacAimbaro and average
+slightly smaller than topotypes of _R. f. inexspectatus_.
+
+By identifying our specimens as _R. f. inexspectatus_ and _R. f.
+tenuis_, we are left without any specimens that we, ourselves, have
+examined, which are referable to the subspecies _R. f. toltecus_. The
+specimens from Los Reyes which Howell (1914:47) referred to _R. f.
+toltecus_ have not been seen by us, and we guess, on the criteria used
+by us, that the animals would be referable to _R. f. tenuis_. Because
+Dr. Emmet T. Hooper has a revisionary study of the Mexican
+_Reithrodontomys_ underway, we have not attempted to bring together
+all of the pertinent material from different collections as would be
+required for an ideally thorough analysis of the geographic variation
+in _Reithrodontomys megalotis_ and _Reithrodontomys fulvescens_.
+
+As illustrative of statements made concerning the average size of
+_Reithrodontomys fulvescens_, the following measurements, all of
+specimens with much wear on each of the molar teeth, are recorded.
+
+Table headings:
+ A: Number averaged or catalogue No.
+ B: Sex
+ C: Total length
+ D: Length of tail
+ E: Length of hind foot
+ F: Basilar length
+ G: Length of nasals
+ H: Zygomatic breadth
+ I: Mastoid breadth
+ J: Alveolar length of maxillary tooth-row
+
+ =========================================================================
+  LOCALITY          A     B     C    D    E     F     G    H     I     J
+ -------------------------------------------------------------------------
+ Vall. Mex.         3  [M][M]  200  114  22.0  17.6  9.3  12.0  10.7  3.7
+ PAitzcuaro          5  [M][M]  170  101  20.6  16.7  8.7  11.6  10.6  3.7
+ Zamora        100215     [M]  153   82  19.0  15.9  7.8  10.9  10.3  3.5
+ Zamora        100275     [M]  184  101  21.0  16.5  8.0  11.1  10.4  3.6
+ TacAimbaro          5  [M][M]  159   91  19.4  15.5  8.0  10.5   9.6  3.3
+ Vall. Mex.         3  [F][F]  184  103  21.0  16.6  8.7  11.4  10.6  3.6
+ PAitzcuaro          5  [F][F]  182  104  21.6  16.8  8.6  11.6  10.5  3.6
+ Zamora             5  [F][F]  159   91  19.0  16.0  8.4  11.4  10.0  3.5
+ TacAimbaro          5  [F][F]  149   87  18.6  14.9  7.7  10.4   9.5  3.4
+ -------------------------------------------------------------------------
+ Note: [M] = Male and [F] = Female.
+
+
+=Reithrodontomys fulvescens inexspectatus= Elliot
+
+Fulvous Harvest Mouse; Spanish, RatA cubedn Moreno
+
+    _Rhithrodontomys inexspectatus_ Elliot, Field Columb. Mus.
+       zoA�l. ser., 3:145, February, 1903, type from PAitzcuaro,
+       MichoacAin.
+
+    _Reithrodontomys fulvescens toltecus_, Howell, N. Amer. Fauna,
+       36:51, June 5, 1914, part.
+
+_Range_.--Central MichoacAin; limits of range unknown.
+
+_Specimens examined_, 15: nos. 100278-100292, distributed by
+localities as follows: 3 mi. N PAitzcuaro, 6,800 ft., 6; 3 mi. NW
+PAitzcuaro, 6,700 ft., 3; 2 mi. W PAitzcuaro, 7,600 ft., 2; 2 mi. W
+PAitzcuaro, 7,700 ft., 4.
+
+_Remarks_.--Howell (1914:51) made _R. inexspectatus_ Elliot a synonym
+of _R. f. toltecus_ and perhaps we should follow him in this. The
+facts are that in our large series from the vicinity of PAitzcuaro, the
+upper parts are more reddish than in _R. f. toltecus_ from the valley
+of MA(C)xico, and more reddish than in _R. f. tenuis_ if we correctly
+interpret Howell's (_op. cit._,:45) description of _R. f. tenuis_. In
+the color of the underparts the series is, to us, indistinguishable
+from topotypical _toltecus_ and therefore has more reddish underparts
+than _R. f. tenuis_, as we know _R. f. tenuis_, from Howell's (_loc.
+cit._) description. In size, the series from PAitzcuaro is intermediate
+between _R. f. tenuis_ and _R. f. toltecus_ but nearer the latter.
+
+
+=Reithrodontomys chrysopsis chrysopsis= Merriam
+
+Volcano Harvest Mouse; Spanish, RatA cubedn Dorado
+
+    _Reithrodontomys chrysopsis_ Merriam, Proc. Biol. Soc.
+       Washington, 13:152, June 13, 1900, type from Mount
+       Popocatepetl, MA(C)xico.
+
+    _Reithrodontomys chrysopsis chrysopsis_, Howell, N. Amer.
+       Fauna, 36:66, June 5, 1914.
+
+_Range._--PatambAin, 1,200 feet elevation as now known.
+
+_Remarks._--Howell (1914:68) lists nine specimens from PatambAin. We
+have not examined these specimens. He listed at the same time seven of
+the specimens from TancA-taro, but we have found specimens from
+TancA-taro to be of another subspecies, _R. c. seclusus_. Accordingly,
+we are in doubt as to whether the mice from PatambAin are subspecies
+_chrysopsis_, _seclusus_, or an unnamed subspecies and our use here of
+the name _Reithrodontomys chrysopsis chrysopsis_ for them is, of
+course, provisional.
+
+
+=Reithrodontomys chrysopsis seclusus= Hall and Villa
+
+Volcano Harvest Mouse; Spanish, RatA cubedn Dorado
+
+    _Reithrodontomys chrysopsis seclusus_ Hall and Villa, Proc.
+       Biol. Soc. Washington, 62: 163, August 23, 1949, type from
+       Mount TancA-taro, 7,800 ft., MichoacAin.
+
+    _Reithrodontomys chrysopsis chrysopsis_, Howell, N. Amer.
+       Fauna, 36:66, June 5, 1914, part.
+
+_Range._--Known only from Mount TancA-taro, from 6,000 feet elevation
+up to at least 11,000 feet.
+
+_Specimens examined_, 22: nos. 51407-51411, 52110-52126, all from
+Mount TancA-taro, distributed by altitude as follows: 6,000 ft., 5;
+7,800 ft., 10; 10,500 ft., 1; 11,000 ft., 1; no altitude recorded, 5.
+
+_Remarks._--The 22 specimens in the Chicago Natural History Museum are
+remarkably uniform in color in spite of differences in age; 17 are so
+young as to have the first upper molar only slightly worn and 5 are
+adults. In preparing the original description of _R. c. seclusus_,
+known only from specimens in the summer pelage, comparison of color
+was made with only the winter pelage of _R. c. chrysopsis_ and it was
+pointed out that the differences noted in color between the two
+subspecies might be seasonal rather than subspecific. A summer
+specimen of _R. c. chrysopsis_ (K. U. 17980, taken on June 15, 12 km.
+ESE Amecameca, 11,500 ft.), is available as the present account is
+being written. In direct comparison with the original material of _R.
+c. seclusus_, all in summer pelage, and in comparison with a specimen
+of _R. c. chrysopsis_ in winter pelage (January 18), from 30 km. E
+Amecameca, the summer pelage of no. 17980 is more blackish than the
+winter pelage and therein more closely resembles that of _R. c.
+seclusus_. The same is true of the more sparsely haired tail. The
+ears, however, are blackish as in winter-taken _R. c. chrysopsis_.
+This feature and also the large size and different cranial proportions
+of specimen no. 17980 are in accordance with the differences between
+_R. c. chrysopsis_ and _R. c. seclusus_ as recorded in the original
+description of the latter.
+
+
+=Baiomys taylori analogus= (Osgood)
+
+Northern Pygmy Mouse; Spanish, RatA cubedn Pigmeo NorteA+-o
+
+    _Peromyscus taylori analogus_ Osgood, N. Amer. Fauna, 28:256,
+       April 17, 1909, type from Zamora, MichoacAin.
+
+    _Baiomys taylori analogus_, Miller, N. Amer. Land. Mamm.,
+       1911, p. 137, December 31, 1912.
+
+_Range._--Northwestern part of state.
+
+_Specimens examined_, 35: nos. 100331-100365, distributed by
+localities as follows: 8 mi. N Zamora, 5,500 ft., 2; 11 mi. W Zamora,
+5,750 ft., 1; 6-1/2 mi. W Zamora, 5,950 ft., 2; 4 mi. W Zamora, 5,450
+ft., 1; 3 mi. NW PAitzcuaro, 6,700 ft., 21; 3 mi. N PAitzcuaro, 6,800
+ft., 5; 2 mi. W PAitzcuaro, 6,700 ft., 3.
+
+_Remarks._--Osgood (1909:257) has recorded this subspecies also from
+AcAimbaro and Los Reyes. We found that these animals got caught in our
+traps almost as often in the daytime as at night and concluded that
+they were less nocturnal, or at any rate more diurnal, than any of the
+other cricetine mice at the places in MichoacAin where we trapped.
+
+
+=Baiomys musculus musculus= (Merriam)
+
+Tropical Pygmy Mouse; Spanish, RatA cubedn Pigmeo Tropical
+
+    _Sitomys musculus_ Merriam, Proc. Biol. Soc. Washington,
+       7:170, September 29, 1892, type from Colima, Colima.
+
+    _Peromyscus musculus_, Allen and Chapman, Bull. Amer. Mus.
+       Nat. Hist., 9:203, June 16, 1897.
+
+    _Baiomys musculus_, Mearns, U. S. Nat. Mus. Bull., 56:381,
+       April 13, 1907.
+
+_Range._--Dry, tropical, southwestern parts of state.
+
+_Specimens examined_, 41: nos. 100366-100406; distributed by
+localities as follows: 1-3/4 mi. S TacAimbaro, 5,700 ft., 1; 1 mi. E
+and 2-1/2 mi. S TacAimbaro, 4,700 ft., 11; 4 mi. S and 1 mi. E
+TacAimbaro, 10; 1 mi. E and 5 mi. S TacAimbaro, 4,000 ft., 1; 6 mi. S
+TacAimbaro, 4,000 ft., 4; 1 mi. E and 6 mi. S TacAimbaro, 4,000 ft., 14.
+
+_Remarks._--Osgood (1909:258) has recorded this subspecies also from
+La Huacana and La Salada. Three adult males with much worn teeth
+weigh, in grams, 8.3, 9.3, and 10.8. Weights of three adult,
+nonpregnant, females are 8.1, 9.4, and 9.7. None of our 13 females was
+pregnant.
+
+
+=Peromyscus maniculatus labecula= Elliot
+
+Deermouse; Spanish, RatA cubedn Cuatralvo
+
+    _Peromyscus labecula_ Elliot, Field Columb. Mus., zoA�l. ser.,
+       3:143, February (March?), 1903, type from Ocotlan, Jalisco.
+
+    _P[eromyscus]. s[onoriensis]. labecula_, Osgood, Proc. Biol.
+       Soc. Washington, 17:57, March 21, 1904.
+
+_Range._--Northwestern part of state.
+
+_Specimens examined_, 59: nos. 51402-51406, 52175, 52176,
+100407-100447, 100484; and 1366-1368, 1370-1372, 1374-1377, of
+Bernardo Villa R., distributed by localities as follows: TancA-taro, 7;
+11 mi. W Zamora, 5,750 ft., 3; 2 mi. W PAitzcuaro, 7,700 ft., 4; 3-1/2
+mi. S PAitzcuaro, 7,800 ft., 2; 4 mi. S PAitzcuaro, 7,800 ft., 3; 5 mi.
+S PAitzcuaro, 7,800 ft., 24; 9 mi. SE PAitzcuaro, 8,000 ft., 6; 1-1/2
+km. N San Juan, 2,250 M., 3; 1 km. NNE San Juan, 2,250 M., 7.
+
+_Remarks._--The zygomatic arches are less widely flaring in specimens
+from TancA-taro than in those from PAitzcuaro.
+
+
+=Peromyscus perfulvus= Osgood
+
+Marsh Mouse; Spanish, RatA cubedn BreA+-ero
+
+    _Peromyscus perfulvus_ Osgood, Jour. Mamm., 26:299, November
+       14, 1945, type from 10 kilometers west of Apatzingan,
+       1,040 ft., MichoacAin.
+
+_Range._--Known only from the semitropical Life-zone in western
+MichoacAin.
+
+_Specimens examined_, 5: nos. 100593, 100595, 100597, 100598, and
+100600, all from 1 mi. E and 6 mi. S TacAimbaro, 4,000 ft.
+
+_Remarks._--J. R. Alcorn took these specimens between fields of sugar
+cane in tall (5 ft. high) grass growing in a belt 10 feet or so wide
+along side a stream, which a person could step across. The one adult,
+no. 100597, was recognized at the time of capture as different from
+any other species known to us, by reason of the long, unicolored,
+sparsely-haired tail and nearly clear Cinnamon Rufous color above,
+white underparts, white feet, and dark brown ears. The four other
+specimens in darker immature pelage are plumbeous and cinnamon whereas
+immature individuals of comparable age of _Peromyscus banderanus_
+caught in the same place are plumbeous above and lack the cinnamon
+color. The immature animals of the two species differ in color more
+than do the adults. Osgood (1945:300) has recorded eleven specimens
+from the type locality. Our one adult weighs 52.4 grams.
+
+
+=Peromyscus boylii evides= Osgood
+
+Brush Mouse; Spanish, RatA cubedn de Chaparral
+
+    _Peromyscus spicilegus evides_ Osgood, Proc. Biol. Soc.
+       Washington, 17:64, March 21, 1904, type from Juquila, Oaxaca.
+
+    _Peromyscus boylei evides_ Osgood, N. Amer. Fauna, 28:152,
+       April 17, 1909.
+
+_Range._--Northern part of state.
+
+_Specimens examined_, 22: nos. 100450-100471, distributed by
+localities as follows: 1-1/2 mi. SSE TacAimbaro, 5,700 ft., 16; 1-3/4
+mi S TacAimbaro, 5,700 ft., 1; 1 mi. E and 2-1/2 mi. S TacAimbaro, 4,700
+ft., 5.
+
+_Remarks._--Osgood (1909:153) recorded 31 specimens from Los Reyes.
+Weights recorded by the collectors of our specimens for 13 males from
+the vicinity of TacAimbaro, are 24.8 (17.2-37.1) and for 9 females 25.0
+(20.0-31.5) grams. These weights include those of subadults as well as
+those of adults.
+
+
+=Peromyscus boylii levipes= Merriam
+
+Brash Mouse; Spanish, RatA cubedn de Chaparral
+
+    _Peromyscus levipes_ Merriam, Proc. Biol. Soc. Washington,
+       12:123, April 30, 1898, type from Mount Malinche, Tlaxcala.
+
+    _Peromyscus boylei levipes_, Osgood, N. Amer. Fauna, 28:153,
+       April 17, 1909.
+
+_Range._--Probably central-eastern part of state.
+
+_Remarks._--Osgood (1909:155) records one specimen of this subspecies
+from PAitzcuaro.
+
+
+=Peromyscus hylocetes= Merriam
+
+Woods Mouse; Spanish, RatA cubedn Ocotero
+
+    _Peromyscus hylocetes_ Merriam, Proc. Biol. Soc. Washington,
+       12:124, April 30, 1898, type from PAitzcuaro, 7,000 feet,
+       MichoacAin; Osgood, N. Amer. Fauna, 28:159, pl. 3, fig. 8,
+       April 17, 1909.
+
+_Range._--Mountainous parts of state.
+
+_Specimens examined_, 24: nos. 100472, 100542, both from 9 mi. SE
+PAitzcuaro at 8,000 feet altitude; 1358-1365 of Bernardo Villa R., from
+Cerro CuritzarAin, 3.5 km. NNW San Juan, 2,200 M.; 52178, 52185,
+52187-52192, 52197, 52198, 52203, 52213-52215, from TancA-taro at
+elevations of 6,000 to 10,000 ft.
+
+_Remarks._--All of the specimens were taken in pine forest. The old
+male from nine miles southeast of PAitzcuaro weighs 43.7 grams and the
+younger male from there 35 grams. The adults from TancA-taro have
+longer diastemae and some have the braincase more prolonged
+posteriorly, than in specimens from the vicinities of San Juan and
+PAitzcuaro but individual variation is considerable and we are unable
+to differentiate some of the adults from TancA-taro from those from
+elsewhere.
+
+
+=Peromyscus truei gratus= Merriam
+
+PiA+-on Mouse; Spanish, RatA cubedn PiA+-onero
+
+    _Peromyscus gratus_ Merriam, Proc. Biol. Soc. Washington,
+       12:123, April 30, 1898, type from "Tlalpam," D. F.
+
+    _Peromyscus sagax_ Elliot, Field Columb. Mus., Chicago, zoA�l.
+       ser., 3:142, February, 1903, type from La Palma, MichoacAin.
+
+    _Peromyscus pavidus_ Elliot, Field Columb. Mus., Chicago,
+       zoA�l. ser., 3:142, February, 1903, type from PAitzcuaro,
+       MichoacAin.
+
+    _Peromyscus zelotes_ Osgood, Proc. Biol. Soc. Washington,
+       17:67, March 21, 1904, type from QuerA(C)ndaro, MichoacAin.
+
+    _Peromyscus truei gratus_, Osgood, N. Amer. Fauna, 28:173,
+       April 17, 1909.
+
+_Range._--Northern part of state.
+
+_Specimens examined_, 42: nos. 100448, 100473-100483, 100485-100509,
+8700, 8702, 8703, 8896, 8897, distributed by localities as follows: 8
+mi. N Zamora, 5,500 ft., 2; 11 mi. W Zamora, 5,750 ft., 11; 6-1/2 mi.
+W Zamora, 5,950 ft., 4; 6 mi. W Zamora, 5,950 ft., 4; Rio Duaro, 9 mi.
+E Zamora, 5,500 ft., 1; 3 mi. N PAitzcuaro, 6,800 ft., 1; 3 mi. NW
+PAitzcuaro, 6,700 ft., 10; 1-1/2 mi. NW PAitzcuaro, 6,700 ft., 1; 2 mi.
+W PAitzcuaro, 6,700 ft., 3; PAitzcuaro (Chicago Nat. Hist. Mus.), 5.
+
+_Remarks._--The ear measured from the notch is shortest, 19 (18-21),
+at Zamora, intermediate, 21 (19-23), at PAitzcuaro, and longest, 21.8
+(20-23), at the type locality of _gratus_ in the Valley of MA(C)xico.
+
+
+=Peromyscus melanophrys zamorae= Osgood
+
+Blackish Mouse; Spanish, RatA cubedn Obscuro
+
+    _Peromyscus melanophrys zamorae_ Osgood, Proc. Biol. Soc.
+       Washington, 17:65, March 21, 1904, type from Zamora,
+       MichoacAin; N. Amer. Fauna, 28:187, April 17, 1909.
+
+_Range._--Northern part of state.
+
+_Remarks._--Insofar as we know, this mouse has been taken in MichoacAin
+only at the type locality.
+
+
+=Peromyscus banderanus banderanus= Allen
+
+Tarascan Mouse; Spanish, RatA cubedn Tarasco
+
+    _Peromyscus banderanus_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       9:51, March 15, 1897, type from Valle de Banderas, Nayarit;
+       Osgood, Jour. Mamm., 26:300, November 14, 1945.
+
+    _Peromyscus banderanus vicinior_ Osgood, N. Amer. Fauna,
+       28:209, 210, April 17, 1909, part.
+
+_Range._--Northern and eastern parts of state.
+
+_Remarks._--Specimens from Los Reyes referred to the subspecies _P. b.
+vicinior_ by Osgood (1909:209-210) were later characterized by Osgood
+(1945:300) as agreeing with specimens from ZitAicuaro, and Osgood
+(_loc. cit._) thought that those from both Los Reyes and ZitAicuaro
+were not _P. b. vicinior_ but possibly _P. b. banderanus_. He had this
+material set aside for further study when he showed it to one of us
+(Hall) in 1945. It was his intention to revise the entire species (_P.
+banderanus_) but so far we know never did this before his death.
+
+
+=Peromyscus banderanus vicinior= Osgood
+
+Tarascan Mouse; Spanish, RatA cubedn Tarasco
+
+    _Peromyscus banderanus vicinior_ Osgood, Proc. Biol. Soc.
+       Washington, 17:68, March 21, 1904, type from La Salada,
+       MichoacAin.
+
+_Range._--Hot valleys of western part of state.
+
+_Specimens examined_, 53: nos. 100543-100592, 100594, 100596, 100599,
+distributed by localities, from TacAimbaro, as follows: 2-1/2 mi. S and
+1 mi. E, 4,700 ft., 21; 4 mi. S and 1 mi E, 4,500 ft., 10; 6 mi. S,
+4,000 ft., 6; 6 mi. S and 1 mi. E, 4,000 ft., 16.
+
+_Remarks._--There is much variation in size in our animals. The three
+largest males weigh, in grams, 67.5, 50.3, 48.9 and corresponding
+figures for the two heaviest, nonpregnant, females are 53.5 and 48.3
+grams. Of the 14 adult females, only one was recorded as having
+embryos; it had two embryos each 24 millimeters in crown to rump
+length. Where we trapped among big boulders and among the roots of
+trees of the genus _Ficus_, _Peromyscus banderanus vicinior_ was the
+only species of the genus taken. _Peromyscus boylii evides_ occurred
+in the less tropical vegetation, altitudinally and zonally above _P.
+b. vicinior_.
+
+
+=Peromyscus melanotis= Allen and Chapman
+
+Black-eared Deermouse; Spanish, RatA cubedn MontaA+-ero
+
+    _Peromyscus melanotis_ Allen and Chapman, Bull. Amer. Mus.
+       Nat. Hist., 9:203, June 16, 1897, type from Las Vigas,
+       8,000 ft., Veracruz.
+
+_Range._--Higher mountains throughout state.
+
+_Specimens examined_, 33: nos. 51397-51401, 52142-52166, 52172-52174,
+from TancA-taro.
+
+_Remarks._--The elevation recorded on the label of one specimen is
+9,000 feet and on the labels of other specimens is no lower than
+10,500 feet and on some is as high as 12,000 feet. The elevation of
+capture is not recorded for two specimens. Osgood (1909:112)
+previously recorded the species from 12,000 feet elevation on Mount
+TancA-taro.
+
+
+=Oryzomys couesi regillus= Goldman
+
+Tropical Rice Rat; Spanish, Rata Arrocera Tropical; Tarascan word for
+rat is JeyAiquihuiri (Hayakewire), or Sarisi
+
+    _Oryzomys couesi regillus_ Goldman, Proc. Biol. Soc.
+       Washington, 28:129, June 29, 1915, type from Los Reyes,
+       MichoacAin; Goldman, N. Amer. Fauna, 43:37, September 23, 1918.
+
+_Range._--Plateau region of Northeast MichoacAin.
+
+_Specimens examined_, 22: nos. 100601-100622, distributed by
+localities as follows: 1 mi. N Zamora, 5,450 ft., 2; 4 mi. W Zamora,
+5,450 ft., 1; 4 mi. S PAitzcuaro, 7,800 ft., 1; 1 mi. E and 6 mi. S
+TacAimbaro, 4,000 ft., 18.
+
+_Remarks._--The tooth-row is longest in the specimens from Zamora,
+shortest in those from TacAimbaro and intermediate in length in the one
+specimen from PAitzcuaro. The shorter tooth-row at the lower elevation
+(TacAimbaro), we interpret as intergradation with _Oryzomys couesi
+mexicanus_. In color the specimens from TacAimbaro are, to us,
+indistinguishable from those from Zamora and PAitzcuaro but the color
+is notably darker than that of specimens from the vicinity of
+Apatzingan which are here referred to the subspecies _Oryzomys couesi
+mexicanus_. The largest male, fully adult from Zamora weighs 82.9
+grams and the largest one from the vicinity of TacAimbaro weighs 73.6
+grams.
+
+
+=Oryzomys couesi mexicanus= Allen
+
+Tropical Rice Rat; Spanish, Rata Arrocera Tropical
+
+    _Oryzomys mexicanus_ Allen, Bull. Amer. Mus. Nat. Hist., 9:52,
+       March 15, 1897, type from Hacienda San Marcos, 3,500 ft.,
+       Tonila, Jalisco.
+
+    _Oryzomys couesi mexicanus_, Goldman, N. Amer. Fauna, 43:33,
+    September 23, 1918.
+
+_Range._--Semitropical and tropical western part of the state.
+
+_Specimens examined_, 14: nos. 52018-52023, 52063-52070, from 1,040
+ft., 10 kms., W Apatzingan.
+
+_Remarks._--These specimens are notably paler and have shorter
+tooth-rows than those referred to _O. c. regillus_.
+
+
+=Oryzomys fulvescens lenis= Goldman
+
+Fulvous Rice Rat; Spanish, Rata Arrocera Pigmea
+
+    _Oryzomys fulvescens lenis_ Goldman, Proc. Biol. Soc.
+       Washington, 28:130, June 29, 1915, type from Los Reyes,
+       MichoacAin; N. Amer. Fauna, 43:91, September 23, 1918.
+
+_Range._--Semitropical parts of state.
+
+_Remarks._--The type and one topotype so far as we know are the only
+specimens of this species to have been obtained from the state. The
+size is hardly larger than that of a large _Reithrodontomys_.
+
+
+=Sigmodon melanotis= Bailey
+
+Fulvous Cotton Rat; Spanish, Rata Algodonera Leonada
+
+    _Sigmodon melanotis_ Bailey, Proc. Biol. Soc. Washington,
+       15:114, June 2, 1902, type from PAitzcuaro, 7,000 ft.,
+       MichoacAin.
+
+_Range._--Central MichoacAin, as now known.
+
+_Specimens examined_, 8: nos. 100623-100626, 52089-52092, distributed
+by localities as follows: 2 mi. W PAitzcuaro (7,400 and 7,700 ft.), 2;
+3-1/2 mi. S PAitzcuaro, 7,800 ft., 2; TancA-taro, 6,000 ft., 4.
+
+_Remarks._--This species was taken along with the species _S.
+hispidus_ two miles west of PAitzcuaro, and can be easily distinguished
+from the latter by the dark reddish as opposed to grayish color of the
+upperparts and by the shorter hind foot (less instead of more than
+32.5 mm.).
+
+
+=Sigmodon hispidus mascotensis= Allen
+
+Hispid Cotton Rat; Spanish, Rata Algodonera Setosa
+
+    _Sigmodon mascotensis_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       9:54, March 15, 1897, type from San SebastiAin, near Mascota,
+       Jalisco.
+
+    _Sigmodon hispidus mascotensis_, Bailey, Proc. Biol. Soc.
+       Washington, 15:108, June 2, 1902.
+
+_Range._--Larger part of state.
+
+_Specimens examined_, 4: nos. 100629, 3 mi. N PAitzcuaro, 6,700 ft.;
+100630, 2 mi. W PAitzcuaro, 7,700 ft.; 100632, 1-3/4 mi. S TacAimbaro,
+5,700 ft.; 100631, 6 mi. S and 1 mi. E TacAimbaro, 4,000 ft.
+
+_Remarks._--Bailey (1902:109) records a "very large" specimen from
+QuerA(C)ndaro. Our specimens have shorter molariform tooth-rows than do
+those from nearer the type locality, for example, those from Tuxpan,
+Las Canoas, and Artenkiki, all three places in Jalisco.
+
+
+=Sigmodon hispidus atratus= Hall
+
+Hispid Cotton Rat; Spanish, Rata Algodonera Setosa
+
+    _Sigmodon hispidus atratus_ Hall, Proc. Biol. Soc. Washington,
+       62:149, August 23, 1949, type from 6-1/2 mi. W Zamora,
+       5,950 ft., MichoacAin.
+
+_Range._--Known only from Zamora and the type locality.
+
+_Specimens examined_, 2: nos. 100628 (the holotype), 6-1/2 mi. W
+Zamora, 5,950 ft.; 120268 (U. S. Nat. Mus., Biol. Surveys Coll.),
+Zamora.
+
+_Remarks._--When the present account first was prepared our specimen
+from six and a half miles west of Zamora was tentatively referred to
+_S. h. mascotensis_. Subsequently a second specimen, from Zamora, was
+found. It agreed with the specimen from six and a half miles west of
+Zamora. Inasmuch as the second specimen agrees with the first and
+since each of the two differs from any previously described kind, a
+name and description were published in time to be inserted in the
+present account. From _S. h. mascotensis_, _S. h. atratus_ differs in
+shorter hind foot, darker upper parts, more densely haired tail,
+shorter skull, more convex dorsal longitudinal outline of skull,
+posteriorly constricted anterior palatine foramina instead of
+parallel-sided foramina, and shorter and less decurved anterior
+process of maxillary arm of zygoma.
+
+
+=Neotomodon alstoni alstoni= Merriam
+
+Volcano Mouse; Spanish, RatA cubedn de Los Volcanes
+
+    _Neotomodon alstoni_ Merriam, Proc. Biol. Soc. Washington,
+       12:128, April 30, 1898, type from Nahuatzin, 8,500 ft.,
+       MichoacAin.
+
+_Range._--Higher mountains of state.
+
+_Specimens examined_, 22: nos. 52179-52184, 52186, 52193-52196, 52199,
+52200, 52204-52212, all from Mount TancA-taro, distributed by
+localities as follows: 7,800 ft., 5; 7,850 ft., 3; 10,000 ft., 4;
+10,200 ft., 5; 10,500 ft., 1; 10,800 ft., 1; 11,000 ft., 2; 11,400
+ft., 1.
+
+_Remarks._--The taking of specimens on Mount TancA-taro extends the
+known geographic range of _Neotomodon_ approximately 75 kilometers to
+the southwestward; the westernmost locality previously known was
+Nahuatzin, the type locality.
+
+
+=Nelsonia goldmani= Merriam
+
+Dwarf Wood Rat; Spanish, Rata Montera Minuscula
+
+    _Nelsonia goldmani_ Merriam, Proc. Biol. Soc. Washington,
+       16:80, May 29, 1903, type from Mount TancA-taro, MichoacAin.
+
+_Range._--Known only from the type locality.
+
+_Remarks._--In the original description three specimens are recorded
+from the type locality.
+
+
+=Neotoma latifrons= Merriam
+
+White-throated Wood Rat; Spanish, Rata Montera Frentuda
+
+    _Neotoma latifrons_ Merriam, Proc. Biol. Soc. Washington,
+       9:121, July 2, 1894, type from QuerA(C)ndaro, MichoacAin.
+
+_Range._--Known only from the type locality.
+
+
+=Neotoma ferruginea tenuicauda= Merriam
+
+Ferruginous Wood Rat; Spanish, Rata Ferruginosa
+
+    _Neotoma tenuicauda_ Merriam, Proc. Biol. Soc. Washington,
+       7:169, September 29, 1892, type from north slope of Sierra
+       Nevada de Colima, 12,000 ft., Colima.
+
+    _Neotoma ferruginea tenuicauda_, Howell, N. Amer. Fauna,
+       31:73, October 19, 1910.
+
+_Range._--Probably all but southern tropical part of state.
+
+_Specimens examined_, 4: nos. 100633 from 9 mi. SE PAitzcuaro,
+8,000 ft., and 52177, 51390, 51391, from TancA-taro, the
+elevation being given as 7,850 ft. on no. 52177.
+
+_Remarks._--Our one specimen from 9 miles southeast of PAitzcuaro was
+caught in a small steel trap set at a meat bait.
+
+
+=Microtus mexicanus salvus= Hall
+
+Mexican Meadow Mouse; Spanish, Metorito
+
+    _Microtus mexicanus salvus_ Hall, Univ. Kansas Publ., Mus.
+       Nat. Hist., 1:426, December 24, 1948, type from Mount
+       TancA-taro, 11,400 ft., MichoacAin.
+
+_Range._--Known only from Mount TancA-taro at elevations of 7,800 to
+11,400 feet.
+
+_Specimens examined_, 14: nos. 51412, 51413, 52093, 52095-52099, 52101,
+52103-52107, all from Mount TancA-taro, distributed by elevations as
+follows: 11,400 ft., 8; 11,000 ft., 2; 7,800 ft., 1; no elevation
+recorded, 3.
+
+
+=Microtus mexicanus fundatus= Hall
+
+Mexican Meadow Mouse; Spanish, Metorito
+
+    _Microtus mexicanus fundatus_ Hall, Univ. Kansas Publ., Mus.
+       Nat. Hist., 1:425, December 24, 1948, type from 3-1/2 mi. S.
+       PAitzcuaro, 7,900 ft., MichoacAin.
+
+_Range._--Central part of state.
+
+_Specimens examined_, 59: nos. 100636-100694, distributed, with
+reference to the town of PAitzcuaro, as follows: 3-1/2 mi. S, 7,900 ft.,
+9; 4 mi. S, 7,800 ft., 16; 5 mi. S, 7,800 ft., 26; 9 mi. SE, 8,000 ft., 8.
+
+_Remarks._--Of the 23 females, only one was pregnant. It had two
+embryos. Average and extreme weights of ten adults of each sex, are:
+males, 37.8 (31.5-48.2); females, 38.0 (31.0-48.6) grams. Our
+specimens were trapped in well-defined runways beneath a rail fence
+where there was a growth of grass sufficient to make a cover for the
+runways. Bailey (1900:54-55) has recorded under the name _Microtus
+mexicanus phaeus_ specimens from Nahuatzin which may be referable to
+the subspecies _M. m. fundatus_.
+
+
+=Mus musculus= subsp.?
+
+House Mouse; Spanish, RatA cubedn Casero
+
+    _Mus musculus_ Linnaeus, Systema Naturae, ed. 10, 1:62, 1758,
+       type from Upsala, Sweden.
+
+_Range._--Probably throughout state.
+
+_Specimens examined_, 4: nos. 100696-100699, of which one is from
+TacAimbaro, 5,700 ft., and 3 are from 4 mi. S and 1 mi. E TacAimbaro,
+4,500 ft.
+
+_Remarks._--In each of our specimens the belly is dark, approximately
+as dark as the back. The specimens caught by us were living in the
+wild; that is to say, they were not caught in and around buildings.
+Elliot (1903:141) records the species from PAitzcuaro.
+
+
+=Rattus rattus alexandrinus= (Geoffroy)
+
+Black Rat; Spanish, Rata Negra
+
+    _Mus alexandrinus_ Geoffroy, Catal. Mammif. du Mus. Nat.
+       d'Hist., Paris, p. 192, 1803, type from Alexandria, Egypt.
+
+    _R_[_attus_]. _rattus alexandrinus_, Hinton, Jour. Bombay Nat.
+       Hist. Soc., 26:63, December 20, 1918.
+
+_Range._--Probably throughout tropical and subtropical parts of state;
+recorded also from PAitzcuaro.
+
+_Specimens examined_, 3: nos. 52027, 52033 from TancA-taro and 8909 from
+PAitzcuaro.
+
+_Remarks._--These specimens answer well to the description of _R. r.
+alexandrinus_ except that no. 8909, taken in May, 1901, by F. E. Lutz,
+has yellowish underparts suggestive of _Rattus rattus frugivorous_. In
+the town of TacAimbaro we saw a freshly killed rat of this species
+which was all black.
+
+
+=Sylvilagus floridanus subcinctus= (Miller)
+
+Florida Cottontail; Spanish, Conejo de Florida
+
+    _Lepus floridanus subcinctus_ Miller, Proc. Acad, Nat. Sci.
+       Philadelphia, p. 386, October 5, 1899, type from Hacienda El
+       Molino, Negrete, MichoacAin.
+
+    _Sylvilagus floridanus subcinctus_, Lyon, Smiths. Misc. Coll.,
+       45:336, June 15, 1904; Nelson, N. Amer. Fauna, 29:180, August
+       31, 1909.
+
+_Range._--Northeastern part of state.
+
+_Remarks._--Nelson (1909:181) records specimens from AcAimbaro,
+QuerA(C)ndaro and the type locality.
+
+
+=Sylvilagus floridanus restrictus= Nelson
+
+Florida Cottontail; Spanish, Conejo de Florida
+
+    _Sylvilagus floridanus restrictus_ Nelson, Proc. Biol. Soc.
+       Washington, 20:82, July 22,1907, type from ZapotlAin, Jalisco;
+       Nelson, N. Amer. Fauna, 29:181, August 31, 1909.
+
+_Range._--Forested areas of non-tropical part of state except
+northeastern part.
+
+_Remarks._--Nelson (1909:183) records specimens from Los Reyes,
+PAitzcuaro and Mount TancA-taro. This species and the Mexican cottontail
+are favorite small game for the rural peoples.
+
+
+=Sylvilagus cunicularis cunicularis= (Waterhouse)
+
+Mexican Cottontail; Spanish, Conejo MA(C)xicano
+
+    _Lepus cunicularis_ Waterhouse, Nat. Hist. Mammalia, 2:132,
+       1848, type from Zacualpan (probably in state of MA(C)xico).
+
+    _Sylvilagus cunicularis_, Nelson, N. Amer. Fauna, 29:239,
+       August 31, 1909.
+
+_Range._--Probably all of state except tropical coastal areas where
+another subspecies of the same species probably will be found to occur.
+
+_Specimens examined_, 2: nos. 51965, 51966, from TancA-taro, one specimen
+labeled as taken at 6,000 feet altitude.
+
+_Remarks._--Nelson (1909:241) has recorded this rabbit also from
+PAitzcuaro.
+
+
+=Lepus callotis= Wagler
+
+White-sided Jack Rabbit; Spanish, Liebre
+
+    _Lepus callotis_ Wagler, Naturliches System der Amphibien, p.
+       23, 1830, type from southern end of Mexican Tableland; Nelson,
+       N. Amer. Fauna, 29:122, August 31, 1909.
+
+_Range._--Approximately northeastern half of state.
+
+_Remarks._--Nelson (1909:124) records specimens from Los Reyes and
+QuerA(C)ndaro; we did not see any animals of this species in our own
+field work.
+
+
+=Tayassu angulatus humeralis= Merriam
+
+Collared Peccary; Spanish, JabalA- del Collar; Tarascan, cuchjeramba
+(cucheramba) or JuAiteanapu (whatalanapu)
+
+    _Tayassu angulatus humeralis_ Merriam, Proc. Biol. Soc.
+       Washington, 14:122, July 19, 1901, type from ArmerA-a, Colima.
+
+_Range._--Approximately southwestern half of state.
+
+_Remarks._--Under date of October 11, 1948, Henry W. Setzer (_in
+litt._) states that four specimens of this species, in the Biological
+Surveys Collection in the United States National Museum, were taken at
+La Salada, by Nelson and Goldman, and bear catalogue numbers 126156,
+126157, 126158 and 126159. No. 126158 is a female taken on March 19,
+1903. The other three specimens are males taken on March 17, 1903. We
+did not see any animals of this species in our own field work, and the
+only materials from MichoacAin actually examined by one of us (Hall)
+are the skulls of nos. 126156 and 126158, referred to above, from the
+Biological Surveys Collection.
+
+
+=Odocoileus virginianus sinaloae= Allen
+
+White-tailed Deer; Spanish, Venado Cola Blanca; Tarascan, Asuni (Ashumi)
+
+    _Odocoileus sinaloae_ Allen, Bull. Amer. Mus. Nat. Hist.,
+       19:613, November 14, 1903, type from. Esquinapa, Sinaloa.
+
+_Range._--Probably statewide.
+
+_Remarks._--Through the courtesy of Dr. A. Remington Kellogg we learn
+that in a manuscript on the deer of the _Odocoileus virginianus_
+group, he and the late Major E. A. Goldman had recorded specimens, in
+the Biological Surveys Collection of the United States National
+Museum, as follows: Nahuatzin, 8,500 ft., nos. 35924/48232, and
+35925/48233; Los Reyes, 5,000 ft., no. 165673; PAitzcuaro, 7,000 ft.,
+no. 35535/47819; and Uruapan, 4,500 ft., no. 13060. We have not
+anywhere seen the name combination _Odocoileus virginianus sinaloae_
+but from the original description we judge that _Odocoileus sinaloae_
+is to be arranged as a geographic race of the wide-ranging species
+_Odocoileus virginianus_ as that species is now understood.
+
+
+=Dasypus novemcinctus mexicanus= Peters
+
+Nine-banded Armadillo; Spanish, Armadillo; Tarascan, IsA-ngu (Esinga)
+
+    _Dasypus novemcinctus mexicanus_ Peters, Monatsber. k. preuss.
+       Akad. Wissensch. Berlin, p. 180, 1864 (name restricted by
+       Bailey, N. Amer. Fauna, 25:52, October 24, 1905, to the
+       subspecies occurring at Colima).
+
+_Range._--Probably statewide.
+
+_Specimens examined_, 2; nos. 51392 from TancA-taro and 51964 from
+Apatzingan, 1,040 ft.
+
+_Remarks._--The female from TancA-taro is immature as indicated by the
+wide-open sutures between the bones of the skull which in over-all
+length is only 72.8 mm. The male from TancA-taro is older and the
+over-all length of the skull is 98.33 mm. Geographic considerations
+alone are responsible for our use of the subspecific name _mexicanus_;
+we do not know the morphological features which distinguish
+_mexicanus_ from other named subspecies.
+
+
+
+
+LITERATURE CITED
+
+
+ANDERSEN, K.
+
+    1908. A monograph of the Chiropteran genera, _Uroderma_,
+          _Enchisthenes_, and _Artibeus_. Proc. ZoA�l. Soc. London,
+          for 1908:204-319, text figs. 40-58.
+
+
+ALLEN, G. M.
+
+    1916. Bats of the genus Corynorhinus. Bull. Mus. Comp. ZoA�l.,
+          Harvard College, 60:333-356, 1 pl., April, 1916.
+
+
+BAILEY, V.
+
+    1900. Revision of American voles of the genus Microtus. N. Amer.
+          Fauna, 17:1-88, 5 pls., 17 figs. in text, June 6, 1900.
+
+    1902. Synopsis of the North American Species of _Sigmodon_. Proc.
+          Biol. Soc. Washington, 15:101-116, June 2, 1902.
+
+
+BENSON, S. B.
+
+    1947. Description of a mastiff bat (genus _Eumops_) from Sonora,
+          Mexico. Proc. Biol. Soc. Washington, 60:133-134, December 31,
+          1947.
+
+
+DAVIS, W. B.
+
+    1944. Notes on Mexican mammals. Jour. Mamm., 25:370-403, 1 fig. in
+          text, December 12, 1944.
+
+
+ELLIOT, D. G.
+
+    1903. A list of a collection of Mexican mammals with descriptions
+          of some apparently new forms. Field Columb. Mus. Pub. No. 71,
+          zoA�l. ser., 3(no. 8):141-149, February, 1903.
+
+
+GOLDMAN, E. A.
+
+    1911. Revision of the spiny pocket mice (genera Heteromys and
+          Liomys) N. Amer. Fauna, 34:1-70, 3 pls. 6 figs. in text,
+          September 7, 1911.
+
+    1938. List of the gray foxes of Mexico. Jour. Washington Acad.
+          Sci., 28:494-498, November 15, 1938.
+
+    1942. Notes on the coatis of the Mexican mainland. Proc. Biol.
+          Soc. Washington, 55:79-82, June 25, 1942.
+
+
+HALL, E. R.
+
+    1948. Two new meadow mice from MichoacAin, Mexico. Univ. Kansas
+          Publ. Mus. Nat. Hist., 1:423-427, 6 figs. in text, December
+          24, 1948.
+
+    1949. A new subspecies of cotton rat, Sigmodon hispidus, from
+          MichoacAin, Mexico. Proc. Biol. Soc. Washington, 62:149-150,
+          3 figs. in text, August, 23,1949.
+
+
+HALL, E. R., and VILLA-R., B.
+
+    1948. A new pocket gopher (Thomomys) and a new spiny pocket
+          mouse (Liomys) from MichoacAin, MA(C)xico. Univ. Kansas Publ.,
+          Mus. Nat. Hist., 1:249-255, 6 figs. in, text, July 26, 1948.
+
+    1949. A new harvest mouse from MichoacAin, Mexico. Proc. Biol.
+          Soc. Washington, 62:163-164, August 23, 1949.
+
+
+HOOPER, E. T.
+
+    1946. Two genera of pocket gophers should be congeneric. Jour.
+          Mamm., 27:397-399, November 25, 1946.
+
+
+HOWELL, A. H.
+
+    1906. Revision of the skunks of the genus Spilogale. N. Amer.
+          Fauna, 26:1-55, 10 pls., November 24, 1906.
+
+    1914. Revision of the American harvest mice (Genus
+          Reithrodontomys). N. Amer. Fauna, 36:1-97, 7 pls., 6 figs.
+          in text, June 5, 1914.
+
+    1938. Revision of the North American ground squirrels, with a
+          classification of North American Sciuridae. N. Amer. Fauna,
+          56:1-256, 32 pls. (some colored), 20 figs. in text, May 18,
+          1938.
+
+
+JACKSON, H. H. T.
+
+    1928. A taxonomic revision of the American long-tailed shrews....
+          N. Amer. Fauna, 51:vi+238, 13 pls., 24 figs., July 24, 1928.
+
+
+MARTINEZ, L., and VILLA-R., B.
+
+    1940. Segunda contribucion al conocimiento de los murcielagos
+          Mexicanos--II Estado de Guerrero. Anales d. Inst. Biol.,
+         (Univ.) MA(C)xico. 11:291-361, illustrated, 1940.
+
+
+MILLER, G. S., JR.
+
+    1897. Revision of the North American bats of the family
+          Vespertilionidae. N. Amer. Fauna, 13:1-140, 3 pls., 40 figs.
+          in text, October 16, 1897.
+
+
+MILLER, G. S., JR., and ALLEN, G. M.
+
+    1928. The American bats of the genera Myotis and Pizonyx. U. S.
+          Nat. Mus. Bull., 144:viii+218, 1 pl., 1 fig., 13 maps, May 25,
+          1928.
+
+
+NELSON, E. W.
+
+    1899. Revision of the squirrels of Mexico and Central America.
+          Proc. Washington Acad. Sci., 1:15-110, 2 pls., May 9, 1899.
+
+    1909. The rabbits of North America. N. Amer. Fauna, 29:1-314,
+          13 pls., 19 figs. in text, August 31, 1909.
+
+
+OSGOOD, W. H.
+
+    1909. Revision of the mice of the American genus Peromyscus.
+          N. Amer. Fauna, 28:1-285, 8 pls., 12 figs., April 17, 1909.
+
+    1945. Two new rodents from Mexico. Jour. Mamm., 26:299-301,
+          November 14, 1945.
+
+
+TATE, G. H. H.
+
+    1933. A systematic revision of the marsupial genus _Marmosa_, with
+          a discussion of the adaptive radiation of the murine opossums
+          (_Marmosa_). Bull. Amer. Mus. Nat. Hist., 66:1-250, pls. 1-26,
+          29 figs. in text, August 10, 1933.
+
+
+Transmitted August 30, 1948.
+
+
+
+[Illustration: Union Label]
+
+22-6113
+
+
+
+
+Transcriber's Notes:
+
+_Text_ represents Italic and =Text= represents Bold.
+
+On page 458, _Reithrodontomys fulvescens inexspectatus_ Elliot also
+lists _Rhithrodontomys inexspectatus_ Elliot. Apparently the two genera
+names (Reithrodontomys and Rhithrodontomys) are both 'correct' spellings
+for Harvest Mice.
+
+Numbers and fractional parts are displayed as follows: 1-3/4 = one and
+three quarters; 3-1/2 = three and one half.
+
+
+Typographical Corrections
+
+  Page  Correction
+  ====  ================
+  444   Fanua => Fauna
+  447   costal => coastal
+  451   Cumu => Como
+
+
+
+
+
+
+
+End of the Project Gutenberg EBook of An Annotated Check List of the Mammals
+of Michoacan, Mexico, by Bernardo Villa R. and E. Raymond Hall
+
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