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