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Subspecies and Distribution. Z.p.princepsJ.A.Allen,1893—WCUSA(SEMontana,EWyoming,WColorado,andextremeNCNewMexico). Z.p.chrysogenysLee&Durrant,1960—SCUSA(extremeECUtah). Z.p.cinereusHall,1931—WCUSA(SEIdahoandextremeNWUtah). Z.p.curtatusHall,1931—WUSA(extremeNWNevada). Z.p.idahoensisDavis,1934—SWCanada(extremeSEBritishColumbiaandextremeSWAlberta)andWCUSA(NIdaho,WMontana,andNWWyoming). Z.p.kootenayensisR.M.Anderson,1932—SWCanada(SBritishColumbia)andNWUSA(NEWashingtonandextremeNIdaho). Z.p.minorPreble,1899—SCCanada(SAlberta,SSaskatchewan,andSWManitoba)andNCUSA(NEMontana,N&ENorthDakota,andextremeNESouthDakota). Z.p.oregonusPreble,1899—WUSA(extremeSEWashington,EOregon,SWIdaho,andNENevada). Z.p.pacificusMerriam,1897—WUSA(SWOregon,ECCalifornia,andWCNevada). Z.p.saltatorJ.A.Allen,1899—WCanada(SYukon,mostofBritishColumbia,andWCAlberta). Z. p. utahensis Hall, 1934 — WC USA (SE Idaho, SW Wyoming, and much of Utah). in Zapodidae

Subspecies and Distribution. Z.p.princepsJ.A.Allen,1893—WCUSA(SEMontana,EWyoming,WColorado,andextremeNCNewMexico). Z.p.chrysogenysLee&Durrant,1960—SCUSA(extremeECUtah). Z.p.cinereusHall,1931—WCUSA(SEIdahoandextremeNWUtah). Z.p.curtatusHall,1931—WUSA(extremeNWNevada). Z.p.idahoensisDavis,1934—SWCanada(extremeSEBritishColumbiaandextremeSWAlberta)andWCUSA(NIdaho,WMontana,andNWWyoming). Z.p.kootenayensisR.M.Anderson,1932—SWCanada(SBritishColumbia)andNWUSA(NEWashingtonandextremeNIdaho). Z.p.minorPreble,1899—SCCanada(SAlberta,SSaskatchewan,andSWManitoba)andNCUSA(NEMontana,N&ENorthDakota,andextremeNESouthDakota). Z.p.oregonusPreble,1899—WUSA(extremeSEWashington,EOregon,SWIdaho,andNENevada). Z.p.pacificusMerriam,1897—WUSA(SWOregon,ECCalifornia,andWCNevada). Z.p.saltatorJ.A.Allen,1899—WCanada(SYukon,mostofBritishColumbia,andWCAlberta). Z. p. utahensis Hall, 1934 — WC USA (SE Idaho, SW Wyoming, and much of Utah).

Subspecies and Distribution. D. m. microps Merriam, 1904 — SW USA (Owens River drainage of W Mojave Desert, S California). D. m. alfredi Goldman, 1937 — W USA (Gunnison I, Great Salt Lake, Utah). D. m. aquilonius Willett, 1935 — W USA (lower elevations of the Great Basin Desert of NE California and NW Nevada). D. m. bonneuvillei Goldman, 1937 — W USA (Great Basin Desert of NE Nevada and NW Utah, corresponding closely with the former outline of Pleistocene Lake Bonneville). D. m. celsus Goldman, 1924 — SW USA (possibly disjunct distribution in Virgin River Valley of SW Utah and adjacent NW Arizona). D. m. centralis Hall & Dale, 1939 — W USA (Great Basin Desert of C & E Nevada). D. m. idahoensis Hall & Dale, 1939 — W USA (restricted to the Snake River Valley, SW Idaho). D. m. leucotis Goldman, 1931 — SW USA (restricted distribution between the Vermilion Cliffs and the brink of Marble Canyon of the Colorado River in N Arizona). D. m. levipes Merriam, 1904 — SW USA (restricted to Panamint Valley, S California). D. m. occidentalis Hall & Dale, 1939 — SW USA (Great Basin Desert in W & S Nevada and disjunct, restricted populations in the W Mojave Desert, SE California). D. m. preblei Goldman, 1921 — W USA (Great Basin Desert of SE Oregon and NW Nevada). D. m. russeolus Goldman, 1939 — W USA (Dolphin I, Great Salt Lake, Utah). D. m. subtenuis Goldman, 1939 -W USA (Badger, Carrington, and Stansbury Is, Great Salt Lake, and S on the mainland to Cedar Valley, NC Utah). in Heteromyidae

Subspecies and Distribution. D. m. microps Merriam, 1904 — SW USA (Owens River drainage of W Mojave Desert, S California). D. m. alfredi Goldman, 1937 — W USA (Gunnison I, Great Salt Lake, Utah). D. m. aquilonius Willett, 1935 — W USA (lower elevations of the Great Basin Desert of NE California and NW Nevada). D. m. bonneuvillei Goldman, 1937 — W USA (Great Basin Desert of NE Nevada and NW Utah, corresponding closely with the former outline of Pleistocene Lake Bonneville). D. m. celsus Goldman, 1924 — SW USA (possibly disjunct distribution in Virgin River Valley of SW Utah and adjacent NW Arizona). D. m. centralis Hall & Dale, 1939 — W USA (Great Basin Desert of C & E Nevada). D. m. idahoensis Hall & Dale, 1939 — W USA (restricted to the Snake River Valley, SW Idaho). D. m. leucotis Goldman, 1931 — SW USA (restricted distribution between the Vermilion Cliffs and the brink of Marble Canyon of the Colorado River in N Arizona). D. m. levipes Merriam, 1904 — SW USA (restricted to Panamint Valley, S California). D. m. occidentalis Hall & Dale, 1939 — SW USA (Great Basin Desert in W & S Nevada and disjunct, restricted populations in the W Mojave Desert, SE California). D. m. preblei Goldman, 1921 — W USA (Great Basin Desert of SE Oregon and NW Nevada). D. m. russeolus Goldman, 1939 — W USA (Dolphin I, Great Salt Lake, Utah). D. m. subtenuis Goldman, 1939 -W USA (Badger, Carrington, and Stansbury Is, Great Salt Lake, and S on the mainland to Cedar Valley, NC Utah).

Subspecies and Distribution. D. m. merriami Mearns, 1890 — SW USA and NW Mexico (desert regions from N Nevada and extreme SW Utah, through SE California and SW Arizona, to NE Baja California and Sonora). D. m. ambiguus Merriam, 1890 — SW USA and NW Mexico (N portion of the Chihuahuan Desert from NC New Mexico and W Texas, through E Chihuahua and Coahuila, to NE Durango, N Zacatecas, and C Nuevo Leon). D. m. annulus Huey, 1951 — NW Mexico (coastal plains of the Gulf of California, SE Baja California). D. m. arenivagus Elliot, 1904 — SW USA and NW Mexico (S Mojave Desert of SC California and E of Sierra Juarez and Sierra San Pedro Martir to C Baja California). D. m. atronasus Merriam, 1894 — NC Mexico (southern portion of the Chihuahuan Desert from EC Zacatecas, SE Coahuila, and SW Nuevo Leon to Aguascalientes and San Luis Potosi). D. m. brunensis Huey, 1951 — NW Mexico (Gulf of California coast of NE Baja California Sur). D. m. collinus Lidicker, 1960 — SW USA (San Felipe, Earthquake, La Puerta, and Aguanga valleys of SW California). D. m. frenatus Bole, 1936 — SW USA (SW Utah and NW Arizona). D. m. insularis Merriam, 1907 — NW Mexico (San José I, Gulf of California, Baja California Sur). D. m. margaritae Merriam, 1907 — NW Mexico (Santa Margarita I, Baja California Sur). D. m. mayensis Goldman, 1928 — NW Mexico (Gulf of California coastal plains of S Sonora and N Sinaloa). D. m. melanurus Merriam, 1893 — NW Mexico (Magdalena Plains and Cape Region of S Baja California Sur). D. m. mitchelli Mearns, 1897 — NW Mexico (Tiburon I, Gulf of California, Sonora). D. m. olivaceus Swarth, 1929 — SW USA and NW Mexico (transitional zone between the Sonoran Desert of SE Arizona and NE Sonora, and the Chihuahuan Desert of SW New Mexico and NW Chihuahua). D. m. parvus Rhoads, 1894 — SW USA (San Bernardino and San Jacinto valleys of SW California). D. m. platycephalus Merriam, 1907 — NW Mexico (Pacific slope S of the Sierra San Pedro Martir, S Baja California to the Vizcaino Desert of N Baja California Sur). D. m. quintinensis Huey, 1951 — NW Mexico (San Quintin Plain, Pacific coast of NW Baja California). D. m. trinidadensis Huey, 1951 — SW USA and NW Mexico (S California and N Baja California). D. m. vulcani Benson, 1934 — SW USA (disjunct and restricted distribution in Toroweap Valley, NW Arizona). in Heteromyidae

Subspecies and Distribution. D. m. merriami Mearns, 1890 — SW USA and NW Mexico (desert regions from N Nevada and extreme SW Utah, through SE California and SW Arizona, to NE Baja California and Sonora). D. m. ambiguus Merriam, 1890 — SW USA and NW Mexico (N portion of the Chihuahuan Desert from NC New Mexico and W Texas, through E Chihuahua and Coahuila, to NE Durango, N Zacatecas, and C Nuevo Leon). D. m. annulus Huey, 1951 — NW Mexico (coastal plains of the Gulf of California, SE Baja California). D. m. arenivagus Elliot, 1904 — SW USA and NW Mexico (S Mojave Desert of SC California and E of Sierra Juarez and Sierra San Pedro Martir to C Baja California). D. m. atronasus Merriam, 1894 — NC Mexico (southern portion of the Chihuahuan Desert from EC Zacatecas, SE Coahuila, and SW Nuevo Leon to Aguascalientes and San Luis Potosi). D. m. brunensis Huey, 1951 — NW Mexico (Gulf of California coast of NE Baja California Sur). D. m. collinus Lidicker, 1960 — SW USA (San Felipe, Earthquake, La Puerta, and Aguanga valleys of SW California). D. m. frenatus Bole, 1936 — SW USA (SW Utah and NW Arizona). D. m. insularis Merriam, 1907 — NW Mexico (San José I, Gulf of California, Baja California Sur). D. m. margaritae Merriam, 1907 — NW Mexico (Santa Margarita I, Baja California Sur). D. m. mayensis Goldman, 1928 — NW Mexico (Gulf of California coastal plains of S Sonora and N Sinaloa). D. m. melanurus Merriam, 1893 — NW Mexico (Magdalena Plains and Cape Region of S Baja California Sur). D. m. mitchelli Mearns, 1897 — NW Mexico (Tiburon I, Gulf of California, Sonora). D. m. olivaceus Swarth, 1929 — SW USA and NW Mexico (transitional zone between the Sonoran Desert of SE Arizona and NE Sonora, and the Chihuahuan Desert of SW New Mexico and NW Chihuahua). D. m. parvus Rhoads, 1894 — SW USA (San Bernardino and San Jacinto valleys of SW California). D. m. platycephalus Merriam, 1907 — NW Mexico (Pacific slope S of the Sierra San Pedro Martir, S Baja California to the Vizcaino Desert of N Baja California Sur). D. m. quintinensis Huey, 1951 — NW Mexico (San Quintin Plain, Pacific coast of NW Baja California). D. m. trinidadensis Huey, 1951 — SW USA and NW Mexico (S California and N Baja California). D. m. vulcani Benson, 1934 — SW USA (disjunct and restricted distribution in Toroweap Valley, NW Arizona).

Subspecies and Distribution. D.o.ordiWoodhouse,1853—SWUSAandNMexico(SonoranDesertofSEArizonaandNESonora,EacrossChihuahuanDe-sertofSNewMexicoandNChihuahuatoWTexas). D.o.celeripesDurrant&Hall,1939—WUSA(GreatBasinDesertofNENevadaandNWUtah). D.o.chapmaniMearns,1890—SWUSA(NSonoranDesertofNWArizona). D.o.cinderensisHardy,1944—SWUSA(GreatBasinDesertofSWUtah). D.o.cineraceusGoldman,1939—WUSA(D.o.I,GreatSaltLake,NWUtah). D.o.columbianusMerriam,1894—WUSA(ColumbiaPlateauinSCOregontoGreatBasinDesertofNECalifornia,SIdaho,andNNevada). D.o.cupidineusGoldman,1924—SWUSA(NofGrandCanyoninSWUtahandNWArizona). D.o.durrantiSetzer,1952—SWUSAandNMexico(EChihuahuanDesertfromSTexasthroughECoahuila,NuevoLeon,andNTamaulipastoNEZacatecas,NSanLuisPotosi,andSWTamaulipas). D.o.evexusGoldman,1933—WUSA(valleyoftheupperArkansasRiver,abovetheRoyalGorge,CColorado). D.o.extractusSetzer,1949—NMexico(restrictedtotheSamalayucasanddunes,NChihuahua). D.o.fetosusDurrant&Hall,1939—WUSA(SEGreatBasinDesert,ECNevadaandWCUtah). D.o.fremontiDurrant&Setzer,1945—WUSA(restricteddistributionintheupperreachesoftheFremontRiverwatershed,SCUtah). D.o.inaquosusHall,1941—WUSA(NGreatBasinDesertinNCNevada). D.o.longipesMerriam,1890—SWUSA(PaintedDesertofSEUtah,SWColorado,NEArizona,andNWNewMexico). D.o.luteousGoldman,1917—WUSA(NGreatPlainsfromWSouthDakota,SEMon-tana,NNebraska,toNEColorado). D.o.marshalliGoldman,1937—WUSA(Badger,Bird,Carrington,andStansburyIs,GreatSaltLake,andS&SEshoresofthelake,NUtah). D.o.mediusSetzer,1949—SWUSA(HighPlains[LlanoEstacado]ofC&SENewMexicoandWTexas). D.o.monoensisGrinnell,1919—WUSA(MonoBasinofCaliforniaandWGreatBasinDesertofWCNevada). D.o.montanusBaird,1855—SWUSA(SanLuisValleyofSCColoradoandadjacentNCNewMexico). D.o.nexilisGoldman,1933—SWUSA(SEUtahandadjacentSWColorado). D.o.obscurusJ.A.Allen,1903—SWUSAandNMexico(ChihuahuanDesertoftheNMexicanPlateau,SEChihuahua,WCoahuila,andNDurango,andadjacentBigBendBasinandRioGrandePlainofWTexas). D.o.oklahomaeTrowbridge&Whitaker,1940—CUSA(restricteddistributionintheSouthCanadianRiverValleyofCOklahoma). D.o.pallidusDurrant&Setzer,1945—WUSA(EGreatBasinDesertofNWUtah). D.o.palmeriJ.A.Allen,1891—NCMexico(ChihuahuanDesertoftheSMexicanAlti-planofromEDurangothroughZacatecas,WSanLuisPotosi,andAguascalientestoNJalisco,Guanajuato,andHidalgo). D.o.panguitchensisHardy,1942—SWUSA(knownonlyfromSPanguitch,GarfieldCounty,SCUtah). D.o.priscusHoffmeister,1942—WUSA(aridintermountainbasinsofSWMontana,NEUtah,andNWColorado). D.o.pullusS.Anderson,1972—NMexico(WChihuahuanDesert,WCChihuahua). D.o.richardson:J.A.Allen,1891—CUSA(WCGreatPlainsfromSNebraska,SEColo-rado,andWKansastoNENewMexico,WOklahoma,andNTexas). D.o.sanrafaeliDurrant&Setzer,1945—WUSA(highdesertofECUtahandalongtheColoradoRiverValleyintoadjacentWCColorado). D.o.terrosusHoffmeister,1942—SCCanadaandNCUSA(NWGreatPlainsfromSEAlbertaandSWSaskatchewanthroughEMontana,SWNorthDakotaandNWSouthDakotatoNWyoming). D.o.wintensisDurrant&Setzer,1945—WUSA(UintahBasin,NEUtah). D. o. utahensis Merriam, 1904 — W USA (NE margin of the Great Basin Desert, NC Utah). in Heteromyidae

Subspecies and Distribution. D.o.ordiWoodhouse,1853—SWUSAandNMexico(SonoranDesertofSEArizonaandNESonora,EacrossChihuahuanDe-sertofSNewMexicoandNChihuahuatoWTexas). D.o.celeripesDurrant&Hall,1939—WUSA(GreatBasinDesertofNENevadaandNWUtah). D.o.chapmaniMearns,1890—SWUSA(NSonoranDesertofNWArizona). D.o.cinderensisHardy,1944—SWUSA(GreatBasinDesertofSWUtah). D.o.cineraceusGoldman,1939—WUSA(D.o.I,GreatSaltLake,NWUtah). D.o.columbianusMerriam,1894—WUSA(ColumbiaPlateauinSCOregontoGreatBasinDesertofNECalifornia,SIdaho,andNNevada). D.o.cupidineusGoldman,1924—SWUSA(NofGrandCanyoninSWUtahandNWArizona). D.o.durrantiSetzer,1952—SWUSAandNMexico(EChihuahuanDesertfromSTexasthroughECoahuila,NuevoLeon,andNTamaulipastoNEZacatecas,NSanLuisPotosi,andSWTamaulipas). D.o.evexusGoldman,1933—WUSA(valleyoftheupperArkansasRiver,abovetheRoyalGorge,CColorado). D.o.extractusSetzer,1949—NMexico(restrictedtotheSamalayucasanddunes,NChihuahua). D.o.fetosusDurrant&Hall,1939—WUSA(SEGreatBasinDesert,ECNevadaandWCUtah). D.o.fremontiDurrant&Setzer,1945—WUSA(restricteddistributionintheupperreachesoftheFremontRiverwatershed,SCUtah). D.o.inaquosusHall,1941—WUSA(NGreatBasinDesertinNCNevada). D.o.longipesMerriam,1890—SWUSA(PaintedDesertofSEUtah,SWColorado,NEArizona,andNWNewMexico). D.o.luteousGoldman,1917—WUSA(NGreatPlainsfromWSouthDakota,SEMon-tana,NNebraska,toNEColorado). D.o.marshalliGoldman,1937—WUSA(Badger,Bird,Carrington,andStansburyIs,GreatSaltLake,andS&SEshoresofthelake,NUtah). D.o.mediusSetzer,1949—SWUSA(HighPlains[LlanoEstacado]ofC&SENewMexicoandWTexas). D.o.monoensisGrinnell,1919—WUSA(MonoBasinofCaliforniaandWGreatBasinDesertofWCNevada). D.o.montanusBaird,1855—SWUSA(SanLuisValleyofSCColoradoandadjacentNCNewMexico). D.o.nexilisGoldman,1933—SWUSA(SEUtahandadjacentSWColorado). D.o.obscurusJ.A.Allen,1903—SWUSAandNMexico(ChihuahuanDesertoftheNMexicanPlateau,SEChihuahua,WCoahuila,andNDurango,andadjacentBigBendBasinandRioGrandePlainofWTexas). D.o.oklahomaeTrowbridge&Whitaker,1940—CUSA(restricteddistributionintheSouthCanadianRiverValleyofCOklahoma). D.o.pallidusDurrant&Setzer,1945—WUSA(EGreatBasinDesertofNWUtah). D.o.palmeriJ.A.Allen,1891—NCMexico(ChihuahuanDesertoftheSMexicanAlti-planofromEDurangothroughZacatecas,WSanLuisPotosi,andAguascalientestoNJalisco,Guanajuato,andHidalgo). D.o.panguitchensisHardy,1942—SWUSA(knownonlyfromSPanguitch,GarfieldCounty,SCUtah). D.o.priscusHoffmeister,1942—WUSA(aridintermountainbasinsofSWMontana,NEUtah,andNWColorado). D.o.pullusS.Anderson,1972—NMexico(WChihuahuanDesert,WCChihuahua). D.o.richardson:J.A.Allen,1891—CUSA(WCGreatPlainsfromSNebraska,SEColo-rado,andWKansastoNENewMexico,WOklahoma,andNTexas). D.o.sanrafaeliDurrant&Setzer,1945—WUSA(highdesertofECUtahandalongtheColoradoRiverValleyintoadjacentWCColorado). D.o.terrosusHoffmeister,1942—SCCanadaandNCUSA(NWGreatPlainsfromSEAlbertaandSWSaskatchewanthroughEMontana,SWNorthDakotaandNWSouthDakotatoNWyoming). D.o.wintensisDurrant&Setzer,1945—WUSA(UintahBasin,NEUtah). D. o. utahensis Merriam, 1904 — W USA (NE margin of the Great Basin Desert, NC Utah).

Subspecies and Distribution. C.f.formosusMerriam,1889—WUSA(SWUtahandNWArizona). C.f.cinerascensNelson&Goldman,1929—NWMexico(GulfcoastofNBajaCali-forniaStonearElMarmol). C.f.incolatusHall,1941—WUSA(ENe-vadaandWUtah). C.f.infolatusHuey,1954—NWMexico(GulfcoastofSBajaCaliforniatonearSantaRosalia). C.f.melanurusHall,1941—WUSA(NECaliforniaandNWNevada). C.f.mesembrinusElliot,1904—SWUSAandNWMexico(SCaliforniaandNEBajaCalifornia). C. f. mohavensis Huey, 1938 — SW USA (Mojave Desert of S Nevada, SW Utah, NW Arizona, and S California). in Heteromyidae

Subspecies and Distribution. C.f.formosusMerriam,1889—WUSA(SWUtahandNWArizona). C.f.cinerascensNelson&Goldman,1929—NWMexico(GulfcoastofNBajaCali-forniaStonearElMarmol). C.f.incolatusHall,1941—WUSA(ENe-vadaandWUtah). C.f.infolatusHuey,1954—NWMexico(GulfcoastofSBajaCaliforniatonearSantaRosalia). C.f.melanurusHall,1941—WUSA(NECaliforniaandNWNevada). C.f.mesembrinusElliot,1904—SWUSAandNWMexico(SCaliforniaandNEBajaCalifornia). C. f. mohavensis Huey, 1938 — SW USA (Mojave Desert of S Nevada, SW Utah, NW Arizona, and S California).

Subspecies and Distribution. P. l. longimembris Coues, 1875 — SW USA (Mojave Desert and Transverse Ranges, SW California). P. l. aestivus Huey, 1928 — NW Mexico (W base Sierra Juarez to Valle de la Trinidad, N Baja California). P.l. arizonensis Goldman, 1931 — SW USA (SC Utah and NC Arizona to SE Nevada). P. l.bangsi Mearns, 1898 — SW USA (W Colorado Desert of S California). P. l. bombycinus Osgood, 1907 — SW USA and NW Mexico (lower Colorado River Valley of SE California, SW Arizona, NE Baja California, and NW Sonora). P. l. brevinasus Osgood, 1900 — SW USA (arid coastal basins of SW California). P. l. gulosus Hall, 1941 — W USA (along the W margin of former Pleistocene Lake Bonneville in the Great Basin of E Nevada and W Utah). P. l. internationalis Huey, 1939 — SW USA and NW Mexico (SC California and adjacent NC Baja California). P. l. kinoensis Huey, 1935 — NW Mexico (disjunct and geographically restricted population along Bahia Kino, W Sonora), but may be extinct. P. l. nevadensis Merriam, 1894 — W USA (Great Basin of SE Oregon, NE California, and NC Nevada). P. l. pacificus Mearns, 1898 — SW USA (coastal plains of SW California to the USA-Mexico border). P. I. panamintinus Merriam, 1894 — SW USA (Great Basin of W Nevada and SE California). P. l. pimensis Huey, 1937 — SW USA (disjunct distribution in SC Arizona). P. l. salinensis Bole, 1937 — SW USA (restricted distribution in the Salinas Valley of SE California). P. l. tularensis Richardson, 1937 — SW USA (restricted distribution in the upper valley of the Kern River, SC California). P. l. venustus Huey, 1930 — NW Mexico (known only from the type locality of San Agustin, NC Baja California). in Heteromyidae

Subspecies and Distribution. P. l. longimembris Coues, 1875 — SW USA (Mojave Desert and Transverse Ranges, SW California). P. l. aestivus Huey, 1928 — NW Mexico (W base Sierra Juarez to Valle de la Trinidad, N Baja California). P.l. arizonensis Goldman, 1931 — SW USA (SC Utah and NC Arizona to SE Nevada). P. l.bangsi Mearns, 1898 — SW USA (W Colorado Desert of S California). P. l. bombycinus Osgood, 1907 — SW USA and NW Mexico (lower Colorado River Valley of SE California, SW Arizona, NE Baja California, and NW Sonora). P. l. brevinasus Osgood, 1900 — SW USA (arid coastal basins of SW California). P. l. gulosus Hall, 1941 — W USA (along the W margin of former Pleistocene Lake Bonneville in the Great Basin of E Nevada and W Utah). P. l. internationalis Huey, 1939 — SW USA and NW Mexico (SC California and adjacent NC Baja California). P. l. kinoensis Huey, 1935 — NW Mexico (disjunct and geographically restricted population along Bahia Kino, W Sonora), but may be extinct. P. l. nevadensis Merriam, 1894 — W USA (Great Basin of SE Oregon, NE California, and NC Nevada). P. l. pacificus Mearns, 1898 — SW USA (coastal plains of SW California to the USA-Mexico border). P. I. panamintinus Merriam, 1894 — SW USA (Great Basin of W Nevada and SE California). P. l. pimensis Huey, 1937 — SW USA (disjunct distribution in SC Arizona). P. l. salinensis Bole, 1937 — SW USA (restricted distribution in the Salinas Valley of SE California). P. l. tularensis Richardson, 1937 — SW USA (restricted distribution in the upper valley of the Kern River, SC California). P. l. venustus Huey, 1930 — NW Mexico (known only from the type locality of San Agustin, NC Baja California).

Subspecies and Distribution. P. f. flavus Baird, 1855 — SW USA and NC Mexico (SE Arizona, New Mexico, N & W Texas, and from NE Sonora and Chihuahua to NC Durango). P. f. bimaculatus Merriam, 1889 — SW USA (WC Arizona). P. f. bunkeri Cockrum, 1951 — SC USA (WC Great Plains of E Colorado, W Kansas, and W Oklahoma). P. f. fuliginosus Merriam, 1890 — SW USA (vicinity of San Francisco Mts and Mogollon Plateau, NC Arizona). P. f. fuscus S. Anderson, 1972 — NW Mexico (upper valley of the Rio Papigochic and watershed of the Laguna Bustillos, WC Chihuahua). P. f. goodpaster: Hoffmeister, 1956 — SW USA (restricted distribution on the Mogollon Plateau of EC Arizona). P. f. hopiensis Goldman, 1932 — SW USA (Four Corners region of SE Utah, SW Colorado, NE Arizona, and NW New Mexico). P. f. medius Baker, 1954 — NC Mexico (SE Durango, SE Coahuila, Zacatecas, W San Luis Potosi, Aguascalientes, NE Jalisco, and Guanajuato). P. f. mexicanus Merriam, 1894 — EC Mexico (Querétaro, Hidalgo, NE Michoacan, Puebla, Distrito Federal, Tlaxcala, WC Veracruz, and Morelos). P. f. pallescens Baker, 1954 — NE Mexico (SE Chihuahua, W Coahuila, and NE Durango). P. f. parviceps Baker, 1954 — WC Mexico (S Zacatecas and N Jalisco). P. f. piperi Goldman, 1917 — NC USA (N Great Plains of E Wyoming and W Nebraska). P. f. sanluisi Hill, 1952 — SW USA (San Luis Valley of SC Colorado). P. f. sonoriensis Nelson & Goldman, 1934 — NW Mexico (disjunct distribution in coastal plains of WC Sonora). in Heteromyidae

Subspecies and Distribution. P. f. flavus Baird, 1855 — SW USA and NC Mexico (SE Arizona, New Mexico, N & W Texas, and from NE Sonora and Chihuahua to NC Durango). P. f. bimaculatus Merriam, 1889 — SW USA (WC Arizona). P. f. bunkeri Cockrum, 1951 — SC USA (WC Great Plains of E Colorado, W Kansas, and W Oklahoma). P. f. fuliginosus Merriam, 1890 — SW USA (vicinity of San Francisco Mts and Mogollon Plateau, NC Arizona). P. f. fuscus S. Anderson, 1972 — NW Mexico (upper valley of the Rio Papigochic and watershed of the Laguna Bustillos, WC Chihuahua). P. f. goodpaster: Hoffmeister, 1956 — SW USA (restricted distribution on the Mogollon Plateau of EC Arizona). P. f. hopiensis Goldman, 1932 — SW USA (Four Corners region of SE Utah, SW Colorado, NE Arizona, and NW New Mexico). P. f. medius Baker, 1954 — NC Mexico (SE Durango, SE Coahuila, Zacatecas, W San Luis Potosi, Aguascalientes, NE Jalisco, and Guanajuato). P. f. mexicanus Merriam, 1894 — EC Mexico (Querétaro, Hidalgo, NE Michoacan, Puebla, Distrito Federal, Tlaxcala, WC Veracruz, and Morelos). P. f. pallescens Baker, 1954 — NE Mexico (SE Chihuahua, W Coahuila, and NE Durango). P. f. parviceps Baker, 1954 — WC Mexico (S Zacatecas and N Jalisco). P. f. piperi Goldman, 1917 — NC USA (N Great Plains of E Wyoming and W Nebraska). P. f. sanluisi Hill, 1952 — SW USA (San Luis Valley of SC Colorado). P. f. sonoriensis Nelson & Goldman, 1934 — NW Mexico (disjunct distribution in coastal plains of WC Sonora).

Subspecies and Distribution. P.f.fasciatusWied-Neuwied,1839—SCCanadaandCUSA(GreatPlainsfromSEAlberta,SSaskatchewan,SWManitoba,MontanaandNorthDakotatoMinnesotaborder,andStoWyomingandSCColorado). P. f. callistus Osgood, 1900 — WC and SW USA (Uintah, Bridger, and Great Divide basins of SW Wyoming, NE Utah, and NW Colorado). in Heteromyidae

Subspecies and Distribution. P.f.fasciatusWied-Neuwied,1839—SCCanadaandCUSA(GreatPlainsfromSEAlberta,SSaskatchewan,SWManitoba,MontanaandNorthDakotatoMinnesotaborder,andStoWyomingandSCColorado). P. f. callistus Osgood, 1900 — WC and SW USA (Uintah, Bridger, and Great Divide basins of SW Wyoming, NE Utah, and NW Colorado).

Subspecies and Distribution. O.p.princepsRichardson,1828—NRockyMts,SWCanada(SEBritishColumbia,SWAlberta)andNWUSA(MontanaandIdahotoNENevadaandNColorado). O.p.fenisexOsgood,1913—CoastandCascaderanges,SWCanada(SBritishColumbia)andNWUSA(Washington,WOregon). O.p.saxatilisBangs,1899—SRockyMts,USA(Colorado,NNewMexico). O.p.schisticepsMerriam,1889—SierraNevadaandGreatBasin,SWUSA(EOregon,ECalifornia,Nevada,SWUtah). O. p. winta Hollister, 1912 — Uinta Mts and Wasatch Range of C Utah, W USA. in Ochotonidae

Subspecies and Distribution. O.p.princepsRichardson,1828—NRockyMts,SWCanada(SEBritishColumbia,SWAlberta)andNWUSA(MontanaandIdahotoNENevadaandNColorado). O.p.fenisexOsgood,1913—CoastandCascaderanges,SWCanada(SBritishColumbia)andNWUSA(Washington,WOregon). O.p.saxatilisBangs,1899—SRockyMts,USA(Colorado,NNewMexico). O.p.schisticepsMerriam,1889—SierraNevadaandGreatBasin,SWUSA(EOregon,ECalifornia,Nevada,SWUtah). O. p. winta Hollister, 1912 — Uinta Mts and Wasatch Range of C Utah, W USA.

Subspecies and Distribution. L. c. californicus Gray, 1837 — SW Oregon, and NW California (W USA). L. c. altamirae Nelson, 1904 — SE Tamaulipas (NE Mexico). L. c. asellus Miller, 1899 — SE Coahuila, NE, S Nuevo Leon, E & SE Zacatecas, San Luis Potosi, Aguascalientes, NE tip ofJalisco, N Guanajuato, and NW Querétaro (NC Mexico). L. c. bennettiz Gray, 1843 — SW California (SW USA), and NW Baja California (NW Mexico). L. c. curts Hall, 1951 — Is along the coast of Tamaulipas (NE Mexico). L. c. deserticola Mearns, 1896 — SE Oregon, S Idaho, SW Montana, NE & E California, Nevada, Utah except SE, and NW, W & SW Arizona (W & SW USA), and NW Sonora and NE Baja California (NW Mexico). The population in SW Montanais isolated. L. c. eremicus J. A. Allen, 1894 — S Arizona (SW USA), N Sonora except extreme NW, NW Chihuahua (N Mexico). L. c. festinus Nelson, 1904 — S Querétaro, Hidalgo, and N State of Mexico (C Mexico). L. c. magdalenae Nelson, 1907 — Magdalena I, Baja California Sur (NW Mexico). L. c. martirensis Stowell, 1895 —Baja California except NW & NE and NE Baja California Sur (NW Mexico). L. c. melanotis Mearns, 1890 — S South Dakota, SE Wyoming, Nebraska, E Colorado, Kansas, W Missouri, NE New Mexico, Oklahoma, W Arkansas, and N Texas (C USA). An isolated population exists in E Oklahoma. L. c. merriami Mearns, 1896 — S Texas (S USA), and NE Coahuila, N Tamaulipas, and N Nuevo Leon (NE Mexico). L. c. richardsonii Bachman, 1839 — C California (SW USA). L. c. sheldoni Burt, 1933 — Isla del Carmen, Baja California Sur (NW Mexico). L. c. texianus Waterhouse, 1848 — SE Utah, SW Colorado, NE Arizona, New Mexico except the NE, and W Texas (C USA), Chihuahua except the NW, W, & SW extremes, W Coahuila, E Durango, and NW Zacatecas (NC Mexico). L. c. wallawalla Merriam, 1904 — S Washington, C & W Oregon, NE California, and NW Nevada (NW USA). L. ¢. xanti Thomas, 1898 — Baja California Sur except the NE (NW Mexico). in Leporidae

Subspecies and Distribution. L. c. californicus Gray, 1837 — SW Oregon, and NW California (W USA). L. c. altamirae Nelson, 1904 — SE Tamaulipas (NE Mexico). L. c. asellus Miller, 1899 — SE Coahuila, NE, S Nuevo Leon, E & SE Zacatecas, San Luis Potosi, Aguascalientes, NE tip ofJalisco, N Guanajuato, and NW Querétaro (NC Mexico). L. c. bennettiz Gray, 1843 — SW California (SW USA), and NW Baja California (NW Mexico). L. c. curts Hall, 1951 — Is along the coast of Tamaulipas (NE Mexico). L. c. deserticola Mearns, 1896 — SE Oregon, S Idaho, SW Montana, NE & E California, Nevada, Utah except SE, and NW, W & SW Arizona (W & SW USA), and NW Sonora and NE Baja California (NW Mexico). The population in SW Montanais isolated. L. c. eremicus J. A. Allen, 1894 — S Arizona (SW USA), N Sonora except extreme NW, NW Chihuahua (N Mexico). L. c. festinus Nelson, 1904 — S Querétaro, Hidalgo, and N State of Mexico (C Mexico). L. c. magdalenae Nelson, 1907 — Magdalena I, Baja California Sur (NW Mexico). L. c. martirensis Stowell, 1895 —Baja California except NW & NE and NE Baja California Sur (NW Mexico). L. c. melanotis Mearns, 1890 — S South Dakota, SE Wyoming, Nebraska, E Colorado, Kansas, W Missouri, NE New Mexico, Oklahoma, W Arkansas, and N Texas (C USA). An isolated population exists in E Oklahoma. L. c. merriami Mearns, 1896 — S Texas (S USA), and NE Coahuila, N Tamaulipas, and N Nuevo Leon (NE Mexico). L. c. richardsonii Bachman, 1839 — C California (SW USA). L. c. sheldoni Burt, 1933 — Isla del Carmen, Baja California Sur (NW Mexico). L. c. texianus Waterhouse, 1848 — SE Utah, SW Colorado, NE Arizona, New Mexico except the NE, and W Texas (C USA), Chihuahua except the NW, W, & SW extremes, W Coahuila, E Durango, and NW Zacatecas (NC Mexico). L. c. wallawalla Merriam, 1904 — S Washington, C & W Oregon, NE California, and NW Nevada (NW USA). L. ¢. xanti Thomas, 1898 — Baja California Sur except the NE (NW Mexico).

Subspecies and Distribution. L.t.townsenditBachman,1839—WoftheContinentalDivideinSWCanada(SBritishColumbia)andWUSA(fromNCWashingtontoWWyoming,NWColorado,Utah,NENevada,andECCalifornia). L. t. campanius Hollister, 1915 — E of the Continental Divide in SC Canada (from S Alberta to extreme SW Ontario) and NC USA (from W Montana to E Wisconsin and S to NC New Mexico, N Nebraska, and NW Missouri). in Leporidae

Subspecies and Distribution. L.t.townsenditBachman,1839—WoftheContinentalDivideinSWCanada(SBritishColumbia)andWUSA(fromNCWashingtontoWWyoming,NWColorado,Utah,NENevada,andECCalifornia). L. t. campanius Hollister, 1915 — E of the Continental Divide in SC Canada (from S Alberta to extreme SW Ontario) and NC USA (from W Montana to E Wisconsin and S to NC New Mexico, N Nebraska, and NW Missouri).

Subspecies and Distribution. L. c. californicus Gray, 1837 — SW Oregon, and NW California (W USA). L. c. altamirae Nelson, 1904 — SE Tamaulipas (NE Mexico). L. c. asellus Miller, 1899 — SE Coahuila, NE, S Nuevo Leon, E & SE Zacatecas, San Luis Potosi, Aguascalientes, NE tip ofJalisco, N Guanajuato, and NW Querétaro (NC Mexico). L. c. bennettiz Gray, 1843 — SW California (SW USA), and NW Baja California (NW Mexico). L. c. curts Hall, 1951 — Is along the coast of Tamaulipas (NE Mexico). L. c. deserticola Mearns, 1896 — SE Oregon, S Idaho, SW Montana, NE & E California, Nevada, Utah except SE, and NW, W & SW Arizona (W & SW USA), and NW Sonora and NE Baja California (NW Mexico). The population in SW Montanais isolated. L. c. eremicus J. A. Allen, 1894 — S Arizona (SW USA), N Sonora except extreme NW, NW Chihuahua (N Mexico). L. c. festinus Nelson, 1904 — S Querétaro, Hidalgo, and N State of Mexico (C Mexico). L. c. magdalenae Nelson, 1907 — Magdalena I, Baja California Sur (NW Mexico). L. c. martirensis Stowell, 1895 —Baja California except NW & NE and NE Baja California Sur (NW Mexico). L. c. melanotis Mearns, 1890 — S South Dakota, SE Wyoming, Nebraska, E Colorado, Kansas, W Missouri, NE New Mexico, Oklahoma, W Arkansas, and N Texas (C USA). An isolated population exists in E Oklahoma. L. c. merriami Mearns, 1896 — S Texas (S USA), and NE Coahuila, N Tamaulipas, and N Nuevo Leon (NE Mexico). L. c. richardsonii Bachman, 1839 — C California (SW USA). L. c. sheldoni Burt, 1933 — Isla del Carmen, Baja California Sur (NW Mexico). L. c. texianus Waterhouse, 1848 — SE Utah, SW Colorado, NE Arizona, New Mexico except the NE, and W Texas (C USA), Chihuahua except the NW, W, & SW extremes, W Coahuila, E Durango, and NW Zacatecas (NC Mexico). L. c. wallawalla Merriam, 1904 — S Washington, C & W Oregon, NE California, and NW Nevada (NW USA). L. ¢. xanti Thomas, 1898 — Baja California Sur except the NE (NW Mexico). The Black-tailed Jackrabbit has been introduced into Massachusetts, NewJersey, Maryland, Virginia, and S Florida. in Leporidae

Distribution. Most of the Great Basin and some of the adjacent intermountain areas of W USA,from SE Oregon and NE California through most of C & N Nevada to S Idaho, extreme SW Montana, extreme W Wyoming, and W Utah. An isolated reintroduced population exists in WC Washington. in Leporidae

Distribution. Most of the Great Basin and some of the adjacent intermountain areas of W USA,from SE Oregon and NE California through most of C & N Nevada to S Idaho, extreme SW Montana, extreme W Wyoming, and W Utah. An isolated reintroduced population exists in WC Washington.

Subspecies and Distribution. S.n.nuttalliiBachman,1837—NWpartoftherangeinextremeSBritishColumbia(SWCanada),Washington,WCIdaho,Oregon,NECalifornia,andNWNevada(NWUSA). S.n.grangeriJ.A.Allen,1895—Cpartoftherange,fromSAlbertaandSSaskatchewan(SCanada)SWtoCECaliforniaandSEtoNArizonaandNWColorado(CUSA). S. n. pinetisJ. A. Allen, 1894 — SE part of the range in SC Wyoming, SE Utah, C & SW Colorado, NW New Mexico, and NE & C Arizona (SC USA). in Leporidae

Subspecies and Distribution. S.n.nuttalliiBachman,1837—NWpartoftherangeinextremeSBritishColumbia(SWCanada),Washington,WCIdaho,Oregon,NECalifornia,andNWNevada(NWUSA). S.n.grangeriJ.A.Allen,1895—Cpartoftherange,fromSAlbertaandSSaskatchewan(SCanada)SWtoCECaliforniaandSEtoNArizonaandNWColorado(CUSA). S. n. pinetisJ. A. Allen, 1894 — SE part of the range in SC Wyoming, SE Utah, C & SW Colorado, NW New Mexico, and NE & C Arizona (SC USA).

Subspecies and Distribution. S.a.audubonuiBaird,1858—NCalifornia(WUSA). S.a.arizonae].A.Allen,1877—SWUtah,SNevada,SECalifornia,W&SArizona(SWUSA),andmostofSonora(NWMexico). S.a.baileyiMerriam,1897—C&SEMontana,SWNorthDakota,Wyoming,WSouthDakota,WNebraska,NEUtah,N,NW&EColorado,andNWKansas(NCUSA). S.a.cedrophilusNelson,1907—EArizonaandWC&CNewMexico(CUSA). S.a.confinisJ.A.Allen,1898—BajaCaliforniaexcepttheNandBajaCaliforniaSur(NWMexico). S.a.goldmaniNelson,1904—SSonora,extremeSWChihuahua,extremeWDurango,andSinaloa(WMexico). S.a.minorMearns,1896—SEArizona,SNewMexico,andSWTexas(SUSA),ESonora,ChihuahuaexceptSW,NEDurango,WCoahuila,andNZacatecas,andWCtipofNuevoLeon(NCMexico). S.a.neomexicanusNelson,1907—SWKansas,WOklahoma,N&WTexas,SEtipofColoradoandENewMexico(SCUSA). S.a.parvulus].A.Allen,1904—SCTexas(SUSA),N&WTamaulipas,NuevoLeon,ECoahuila,S.a.LuisPotosi,Zacatecas,SEDurango,Aguascalientes,WJalisco,NGuanajuato,Querétaro,Hidalgo,CPuebla,Tlaxcala,andWVeracruz(CMexico). S.a.sanctidiegiMiller,1899—SWCalifornia(SWUSA),NWtipofBajaCalifornia(NWMexico). S.a.vallicolaNelson,1907—CWCalifornia(WUSA). S. a. warreni Nelson, 1907 — SE Utah, W & S Colorado, NE Arizona, and NW New Mexico (USA). in Leporidae

Subspecies and Distribution. S.a.audubonuiBaird,1858—NCalifornia(WUSA). S.a.arizonae].A.Allen,1877—SWUtah,SNevada,SECalifornia,W&SArizona(SWUSA),andmostofSonora(NWMexico). S.a.baileyiMerriam,1897—C&SEMontana,SWNorthDakota,Wyoming,WSouthDakota,WNebraska,NEUtah,N,NW&EColorado,andNWKansas(NCUSA). S.a.cedrophilusNelson,1907—EArizonaandWC&CNewMexico(CUSA). S.a.confinisJ.A.Allen,1898—BajaCaliforniaexcepttheNandBajaCaliforniaSur(NWMexico). S.a.goldmaniNelson,1904—SSonora,extremeSWChihuahua,extremeWDurango,andSinaloa(WMexico). S.a.minorMearns,1896—SEArizona,SNewMexico,andSWTexas(SUSA),ESonora,ChihuahuaexceptSW,NEDurango,WCoahuila,andNZacatecas,andWCtipofNuevoLeon(NCMexico). S.a.neomexicanusNelson,1907—SWKansas,WOklahoma,N&WTexas,SEtipofColoradoandENewMexico(SCUSA). S.a.parvulus].A.Allen,1904—SCTexas(SUSA),N&WTamaulipas,NuevoLeon,ECoahuila,S.a.LuisPotosi,Zacatecas,SEDurango,Aguascalientes,WJalisco,NGuanajuato,Querétaro,Hidalgo,CPuebla,Tlaxcala,andWVeracruz(CMexico). S.a.sanctidiegiMiller,1899—SWCalifornia(SWUSA),NWtipofBajaCalifornia(NWMexico). S.a.vallicolaNelson,1907—CWCalifornia(WUSA). S. a. warreni Nelson, 1907 — SE Utah, W & S Colorado, NE Arizona, and NW New Mexico (USA).

Subspecies and Distribution. P. n. nasutusJ. A. Allen, 1891 — from SE Utah and NC Colorado S through E Arizona, New Mexico, and W Texas, USA, to C Coahuila, Mexico. P.n.griseusBenson,1932—restrictedtolavafieldssurroundingthetypelocalityinCNewMexico,USA. P.n. penicillatus Mearns, 1896 — restricted to a narrow band along the USA-Mexico border from El Paso, Texas, to Sierra del Carmen, Coahuila. in Cricetidae

Subspecies and Distribution. P. n. nasutusJ. A. Allen, 1891 — from SE Utah and NC Colorado S through E Arizona, New Mexico, and W Texas, USA, to C Coahuila, Mexico. P.n.griseusBenson,1932—restrictedtolavafieldssurroundingthetypelocalityinCNewMexico,USA. P.n. penicillatus Mearns, 1896 — restricted to a narrow band along the USA-Mexico border from El Paso, Texas, to Sierra del Carmen, Coahuila.

Subspecies and Distribution. O. l. leucogasterWied-Neuwied, 1841 — from extreme SE Saskatchewan and S Manitoba (Canada) S to SE South Dakota and ex-NW Towa (USA). O.l.albescensMerriam,1904—restrictedtothetypelocalityandsurroundingareasinextremeNChihuahuaState(Mexico). O.l.arcticepsRhoads,1898—fromWyomingandSouthDakotaStoCTexasandSENewMexico(USA). O.l.breviauritusHollister,1913—fromENebraskaandNWIowaStoC&SWOklahoma(USA). O.l.brevicaudusMerriam,1891—SEOregon,SIdaho,extremeSWWyoming,extremeECalifornia,andNevada(USA). O.l.fuliginosusMerriam,1890—NWArizona(USA). O.l.fuscogriseusAnthony,1913—EWashington,EOregon,CWIdaho,NECalifornia,andextremeNWNevada(USA). O.l.longipesMerriam,1889—SCTexas(USA)andNEMexico. O.l.melanophrysMerriam,1889—C&SWUtahandadjacentNWArizona(USA). O.l.missouriensisAudubon&Bachman,1851—SAlbertaandSSaskatchewan(Canada)andMontana,NWyoming,WNorthDakota,andNWSouthDakota(USA). O.l.pallescensMerriam,1890—EUtah,W&SCColorado,NEArizona,andNW&NCNewMexico(USA). O.l.ruidosaeStone&Rehn,1903—C&SEArizonaandC&SWNewMexico(USA)andextremeNESonoraandextremeNWChihuahuastates(Mexico). O. l. uthaensis Goldman, 1939 — W Utah (USA). in Cricetidae

Subspecies and Distribution. O. l. leucogasterWied-Neuwied, 1841 — from extreme SE Saskatchewan and S Manitoba (Canada) S to SE South Dakota and ex-NW Towa (USA). O.l.albescensMerriam,1904—restrictedtothetypelocalityandsurroundingareasinextremeNChihuahuaState(Mexico). O.l.arcticepsRhoads,1898—fromWyomingandSouthDakotaStoCTexasandSENewMexico(USA). O.l.breviauritusHollister,1913—fromENebraskaandNWIowaStoC&SWOklahoma(USA). O.l.brevicaudusMerriam,1891—SEOregon,SIdaho,extremeSWWyoming,extremeECalifornia,andNevada(USA). O.l.fuliginosusMerriam,1890—NWArizona(USA). O.l.fuscogriseusAnthony,1913—EWashington,EOregon,CWIdaho,NECalifornia,andextremeNWNevada(USA). O.l.longipesMerriam,1889—SCTexas(USA)andNEMexico. O.l.melanophrysMerriam,1889—C&SWUtahandadjacentNWArizona(USA). O.l.missouriensisAudubon&Bachman,1851—SAlbertaandSSaskatchewan(Canada)andMontana,NWyoming,WNorthDakota,andNWSouthDakota(USA). O.l.pallescensMerriam,1890—EUtah,W&SCColorado,NEArizona,andNW&NCNewMexico(USA). O.l.ruidosaeStone&Rehn,1903—C&SEArizonaandC&SWNewMexico(USA)andextremeNESonoraandextremeNWChihuahuastates(Mexico). O. l. uthaensis Goldman, 1939 — W Utah (USA).

Subspecies and Distribution. P.c.erinitusMerriam,1891—fromOregonandSIdahoStoCNevadaandasmallportionofCalifornia,USA. P.c.auripectusJ.A.Allen,1893—fromEUtahandWColoradoStoNEArizonaandNWNewMexico,USA. P.c.delgadilliBenson,1940—knownonlyfromthetypelocalityandsurroundingareasinNWSonora,Mexico. P.c.disparilisGoldman,1932—extremeSWArizona,USA,andasmallportionofNWSonora,Mexico. P.c.douttiGoin,1944—fromextremeSWWyomingSWtoSCUtah,USA. P.c.pallidissimusHuey,1931—knownonlyfromthetypelocalityonSanLuisGonzagaI,BajaCalifornia,Mexico. P.c.pergracilisGoldman,1939—NE&CENevadaandNW&CWUtah,USA. P. c. stephensi Mearns, 1897 — S Nevada, SW Utah, E & SE California, and W Arizona, USA, and NE Baja California, Mexico. in Cricetidae

Subspecies and Distribution. P.c.erinitusMerriam,1891—fromOregonandSIdahoStoCNevadaandasmallportionofCalifornia,USA. P.c.auripectusJ.A.Allen,1893—fromEUtahandWColoradoStoNEArizonaandNWNewMexico,USA. P.c.delgadilliBenson,1940—knownonlyfromthetypelocalityandsurroundingareasinNWSonora,Mexico. P.c.disparilisGoldman,1932—extremeSWArizona,USA,andasmallportionofNWSonora,Mexico. P.c.douttiGoin,1944—fromextremeSWWyomingSWtoSCUtah,USA. P.c.pallidissimusHuey,1931—knownonlyfromthetypelocalityonSanLuisGonzagaI,BajaCalifornia,Mexico. P.c.pergracilisGoldman,1939—NE&CENevadaandNW&CWUtah,USA. P. c. stephensi Mearns, 1897 — S Nevada, SW Utah, E & SE California, and W Arizona, USA, and NE Baja California, Mexico.

Subspecies and Distribution. P.m.maniculatusWagner,1845—SManitoba,Ontario,Quebec,andLabrador,Canada. P.m.abietorumBangs,1896—NewBrunswickandNovaScotia,Canada,andMaine, USA. P.m.alpinusCowan,1937—restrictedtoasmallregioninSEBritishColumbia,Canada . P.m.anacapaevonBloeker,1942—knownonlyfromWestAnacapaIandsurroundingIs,California,USA. P.m.angustusHall,1932—knownonlyfromSWpartofVancouverI,BritishColumbia, Canada. P.m.anticostiensisMoulthrop,1937—knownonlyfromthetypelocalityonEAnticostiI,Quebec,Canada. P.m.argentatusCopeland&Church,1906—knownonlyfromthetypelocalityonGrandMananI,NewBrunswick,Canada. P.m.artemisiaeRhoads,1894—fromSCBritishColumbia,Canada,SWtoWWyoming, USA. P.m.assimilisNelson&Goldman,1931—knownonlyfromthetypelocalityonCoronadoIs,BajaCalifornia,Mexico. P.m.austerusBaird,1855—WCWashington,USA. P.m.bairdiiHoy&Kennicott,1857—mostoftheECportionoftheUSA. P.m.balaclavaeMcCabe&Cowan,1945—knownonlyfromthetypelocalityonBalaklavaI,BritishColumbia,Canada. P.m.blandusOsgood,1904—SCUSAStoSanLuisPotosi,Guanajauto,andJalisco, Mexico. P.m.borealisMearns,1911—NWCanada. P.m.catalinaeElliot,1903—knownonlyfromSantaCatalinaI,California,USA. P.m.cmenitius|.A.Allen,1898—knownonlyfromthetypelocalityonSanRoqueI, BajaCalifornia,Mexico. P.m.clementisMearns,1896—knownonlyfromSanClementeI,California,USA. P.m.coolidge:Thomas,1898—SBajaCaliforniaandBajaCaliforniaSur,Mexico. P.m.dorsalisNelson&Goldman,1931—knownonlyfromthetypelocalityonNatividadI,BajaCalifornia,Mexico. P.m.dubiusJ.A.Allen,1898—knownonlyfromthetypelocalityonTodosSantosI, BajaCalifornia,Mexico. P.m.elususNelson&Goldman,1931—knownonlyfromSantaBarabaraandSutilIs, California,USA. P.m.eremusOsgood,1909—knownonlyfromGrindstoneI,Quebec,Canada. P.m.exiguusJ.A.Allen,1898—knownonlyfromSanMartinI,BajaCalifornia,Mexico. P.m.exterusNelson&Goldman,1931—knownonlyfromthetypelocalityonSanNicolasI,California,USA. P.m.fulvusOsgood,1904—fromCPueblaandVeracruzStoCOaxaca,Mexico. P.m.gambeliiBaird,1858—N&WCalifornia,USA,SintoNBajaCalifornia,Mexico. P.m.georgiensisHall,1938—knownonlyfromthetypelocalityonTexadaIandsurroundingIs,BritishColumbia,Canada. P.m.geronimensisJ.A.Allen,1898—knownonlyfromthetypelocalityonSanGeronimoI,BajaCalifornia,Mexico. P.m.gracilisLeConte,1855—OntarioandSQuebec,Canada,S&EtoWisconsin, Michigan,andNEUSA.FP.m.hollister:Osgood,1909—knownonlyfromSanJuanIandsurroundingIs,Washington,USA. P.m.huey:Nelson&Goldman,1932—knownonlyfromthetypelocalityonasmallunnamedIinGonzagaBay,BajaCalifornia,Mexico. P. m. inclarus Goldman, 1939 — known only from Fremont I in Great Salt Lake, Utah, USA. P.m. labecula Elliot, 1903 — from Durango S to Michoacan and Morelos, Mexico. P. m. luteus Osgood, 1905 — from South Dakota S to W Texas, USA. P. m. magdalenae Osgood, 1909 — Magdalena I and surrounding mainland areas, Baja California, Mexico. P.m. margaritae Osgood, 1909 — known only from Margarita I, Baja California, Mexico. Pm. nebrascensis Coues, 1877 — from S Alberta and Saskatchewan, Canada, S to NW Texas, USA. Pm. nubiterrae Rhoads, 1896 — from W New York S to North Carolina, USA. Pm. ozarkiarum Black, 1935 — from NE Oklahoma and SW Missouri S to W Arkansas and NC edge of Texas, USA. P. m. pallescensJ. A. Allen, 1896 — NC to SC Texas, USA. Pm. plumbeus C. F. Jackson, 1939 — E Quebec, Canada. Pm. rubidus Osgood, 1901 — from SW Washington S along the Pacific Coast to C California, USA. P. m. rufinus Merriam, 1890 — from N California S to SC Arizona and New Mexico, USA. P. m. sanctaerosae von Bloeker, 1940 — known only from Santa Rosa I, California, USA. P.m. santacruzae Nelson & Goldman, 1931 — known only from Santa Cruz I, California, USA. Pm. saturatus Bangs, 1897 — known only from Saturna I, British Columbia, Canada. Pm. saxamans McCabe & Cowan, 1945 — known only from Duncan I and surrounding Is, British Columbia, Canada. Pm. serratus Davis, 1939 — restricted to a small region in C Idaho, USA. Pm. sonoriensis Le Conte, 1853 — from SE Oregon and S Idaho, USA, S to N edge of Sonora, Mexico. Pm. streatori Nelson & Goldman, 1931 — known only from San Miguel I and surrounding Is, California, USA. in Cricetidae

Subspecies and Distribution. P.m.maniculatusWagner,1845—SManitoba,Ontario,Quebec,andLabrador,Canada. P.m.abietorumBangs,1896—NewBrunswickandNovaScotia,Canada,andMaine, USA. P.m.alpinusCowan,1937—restrictedtoasmallregioninSEBritishColumbia,Canada . P.m.anacapaevonBloeker,1942—knownonlyfromWestAnacapaIandsurroundingIs,California,USA. P.m.angustusHall,1932—knownonlyfromSWpartofVancouverI,BritishColumbia, Canada. P.m.anticostiensisMoulthrop,1937—knownonlyfromthetypelocalityonEAnticostiI,Quebec,Canada. P.m.argentatusCopeland&Church,1906—knownonlyfromthetypelocalityonGrandMananI,NewBrunswick,Canada. P.m.artemisiaeRhoads,1894—fromSCBritishColumbia,Canada,SWtoWWyoming, USA. P.m.assimilisNelson&Goldman,1931—knownonlyfromthetypelocalityonCoronadoIs,BajaCalifornia,Mexico. P.m.austerusBaird,1855—WCWashington,USA. P.m.bairdiiHoy&Kennicott,1857—mostoftheECportionoftheUSA. P.m.balaclavaeMcCabe&Cowan,1945—knownonlyfromthetypelocalityonBalaklavaI,BritishColumbia,Canada. P.m.blandusOsgood,1904—SCUSAStoSanLuisPotosi,Guanajauto,andJalisco, Mexico. P.m.borealisMearns,1911—NWCanada. P.m.catalinaeElliot,1903—knownonlyfromSantaCatalinaI,California,USA. P.m.cmenitius|.A.Allen,1898—knownonlyfromthetypelocalityonSanRoqueI, BajaCalifornia,Mexico. P.m.clementisMearns,1896—knownonlyfromSanClementeI,California,USA. P.m.coolidge:Thomas,1898—SBajaCaliforniaandBajaCaliforniaSur,Mexico. P.m.dorsalisNelson&Goldman,1931—knownonlyfromthetypelocalityonNatividadI,BajaCalifornia,Mexico. P.m.dubiusJ.A.Allen,1898—knownonlyfromthetypelocalityonTodosSantosI, BajaCalifornia,Mexico. P.m.elususNelson&Goldman,1931—knownonlyfromSantaBarabaraandSutilIs, California,USA. P.m.eremusOsgood,1909—knownonlyfromGrindstoneI,Quebec,Canada. P.m.exiguusJ.A.Allen,1898—knownonlyfromSanMartinI,BajaCalifornia,Mexico. P.m.exterusNelson&Goldman,1931—knownonlyfromthetypelocalityonSanNicolasI,California,USA. P.m.fulvusOsgood,1904—fromCPueblaandVeracruzStoCOaxaca,Mexico. P.m.gambeliiBaird,1858—N&WCalifornia,USA,SintoNBajaCalifornia,Mexico. P.m.georgiensisHall,1938—knownonlyfromthetypelocalityonTexadaIandsurroundingIs,BritishColumbia,Canada. P.m.geronimensisJ.A.Allen,1898—knownonlyfromthetypelocalityonSanGeronimoI,BajaCalifornia,Mexico. P.m.gracilisLeConte,1855—OntarioandSQuebec,Canada,S&EtoWisconsin, Michigan,andNEUSA.FP.m.hollister:Osgood,1909—knownonlyfromSanJuanIandsurroundingIs,Washington,USA. P.m.huey:Nelson&Goldman,1932—knownonlyfromthetypelocalityonasmallunnamedIinGonzagaBay,BajaCalifornia,Mexico. P. m. inclarus Goldman, 1939 — known only from Fremont I in Great Salt Lake, Utah, USA. P.m. labecula Elliot, 1903 — from Durango S to Michoacan and Morelos, Mexico. P. m. luteus Osgood, 1905 — from South Dakota S to W Texas, USA. P. m. magdalenae Osgood, 1909 — Magdalena I and surrounding mainland areas, Baja California, Mexico. P.m. margaritae Osgood, 1909 — known only from Margarita I, Baja California, Mexico. Pm. nebrascensis Coues, 1877 — from S Alberta and Saskatchewan, Canada, S to NW Texas, USA. Pm. nubiterrae Rhoads, 1896 — from W New York S to North Carolina, USA. Pm. ozarkiarum Black, 1935 — from NE Oklahoma and SW Missouri S to W Arkansas and NC edge of Texas, USA. P. m. pallescensJ. A. Allen, 1896 — NC to SC Texas, USA. Pm. plumbeus C. F. Jackson, 1939 — E Quebec, Canada. Pm. rubidus Osgood, 1901 — from SW Washington S along the Pacific Coast to C California, USA. P. m. rufinus Merriam, 1890 — from N California S to SC Arizona and New Mexico, USA. P. m. sanctaerosae von Bloeker, 1940 — known only from Santa Rosa I, California, USA. P.m. santacruzae Nelson & Goldman, 1931 — known only from Santa Cruz I, California, USA. Pm. saturatus Bangs, 1897 — known only from Saturna I, British Columbia, Canada. Pm. saxamans McCabe & Cowan, 1945 — known only from Duncan I and surrounding Is, British Columbia, Canada. Pm. serratus Davis, 1939 — restricted to a small region in C Idaho, USA. Pm. sonoriensis Le Conte, 1853 — from SE Oregon and S Idaho, USA, S to N edge of Sonora, Mexico. Pm. streatori Nelson & Goldman, 1931 — known only from San Miguel I and surrounding Is, California, USA.

Subspecies and Distribution. N.i.lepidaThomas,1893—fromSEOregonandSWIdahoSthroughNevadaandWUtahtoSECalifornia(WUSA). N.ImarshalliGoldman,1939—knownonlyfromCarringtonandStansburyIsintheGreatSaltLake,NWUtah(WCUSA). N. i. monstrabilis Goldman, 1932 — E & S Utah, NW Colorado, and NW Arizona (W USA). in Cricetidae

Subspecies and Distribution. N.i.lepidaThomas,1893—fromSEOregonandSWIdahoSthroughNevadaandWUtahtoSECalifornia(WUSA). N.ImarshalliGoldman,1939—knownonlyfromCarringtonandStansburyIsintheGreatSaltLake,NWUtah(WCUSA). N. i. monstrabilis Goldman, 1932 — E & S Utah, NW Colorado, and NW Arizona (W USA).