INDEX. 



447 



Pago. 



Sigmodon tonalcnsis 183 



vulcani 184 



Sigmodomom\s 17^ 



alfari 178 



silus, Sciuropteriis 311 



Simla belzebul 380 



capucina 381 



fatuellus 381 



hypoleuca 381 



midas 380 



paniscus 382 



sciurea 379 



trivirgata 379 



similis, Dipodomys 279 



Sorex 15 



Sylvilagus 359 



simiolus, Dipodomys 279 



simplex, Neotoma 200 



simpliclcamis, Lepus 3G0 



simulaus, Perodipus 270 



simiilatus, Peromyscus 105 



slmulus, Peromyscus 158 



sinaloae, Marmosa 5 



Molossus 72 



Neotoma 195 



Odocoileus 389 



Thomomys 2-Jl 



sinaloensis, Sciurus 328 



sitkensis, Microtus 220 



Odocoileus 387 



Peromyscus 151 



Ursus 74 



Sitomys arizonae 154 



artemisiffi 145 



anripectus 138 



canadensis 142 



decolorus 181 



gilberti 101 



berroni 140 



insolatus 149 



keeni M4 



macrorbinus 144 



major 157 



martirensis 101 



megacephalus 156 



musculus 137 



nigcllus 140 



pinalis 157 



robustus 157 



rowleyi 157 



subgriseus 151 



thurbcri 146 



socialis, Sciurus 329 



sola, Neotoma 192 



Solenodon 7 



cubanus 7 



paradoxus 7 



solitaria, Neotoma 197 



sonora, Lutra 114 



sonorana, Liomys 25^1 



sonoranus, Liomys 254 



sonoriensis, Citellus 303 



Conepatus 112 



Dicotylcs 383 



Hesperomys 149 



Pecari 383 



Page. 



sonoriensis, Peromyscus , 149 



Spermophilus 303 



Sorex 12 



alascensis 16 



alaskanus 21 



albibarbis 21 



albiventcr 22 



aluorum 22 



amcenus , 15 



aquaticus 7 



araneus 12 



arcticus 12 



bairdi 17 



bre vicaudus 23 



californicus 18 



carolineusis 23 



caudatus 19 



cinereus 24 



cooperi 12 



crawfordi 28 



cristatus li 



dispar 13 



dobsoui 14 



elassodon 16 



evotis 28 



cximius 22 



fisheri 20 



fontinalis 13 



forsteri 13 



f umeus 13 



glacialis 16 



godmani 19 



haydeni 12 



hoyi 22 



hydrodromus 21 



idahoensis 12 



j unceusis 18 



laguiiif 18 



lesueri 13 



lencogcnys 20 



longicanda 16 



longirostris 20 



lyelli 18 



macrodon 19 



macrurus 13 



merriaml 20 



miscix 12 



montcrcyensis 17 



montieola 14 



monticolus 14 



mutabilis 19 



myops 18 



nanus 18 



no vadensis 15 



obscurus 15 



oroinus 14 



oreopolus 17 



orlzab:c 15 



ornatus 17 



pacificus 20 



palmori 22 



palustris 21 



parvus 24 



personatus 12,399 



platyrhinus 12 



prevostensis 16 



