408' 



INDEX. 



blainvillei, Mormops 34 



blainvillii, Morinoops 33 



blandus, Peromyscus 148 



Blarina 23 



aloga 23 



alticola 27 



brevicauda 23 



carolinensis 23 



cinerea 24 



compacta 23 



costaricensis 24 



floridana 25 



fossor 28 



goldmani 27 



hulophaga 24 



machetes 27 



magna 28 



mayensis 26 



mexicana 26 



nelsoni 27 



nigrescens 27 



obseura 26 



olivaceus 26 



orophila 26 



peninsulse 24 



peregrina 26 



pergracilis 25 



soricina 26 



talpoides 24 



telmalestes 24 



tropicalis 25 



bocourtianus, Macrotus 36 



boliviense, Akodon 186 



bombifrons, Erophylla 51 



Phyllonycteris 51 



bombycinus, Oryzomys 176 



Perognatbus 263 



bootbi, Chilonycteris 32 



boothiae, Sciuius 331 



boquetensis, Microsciurns 338 



Sciurus 338 



borealis, Arvicola 205 



Atalapha 399 



Cystophora 125 



Eutamias 313 



Nycteris 63 



Odocoileus _ 386 



Peromyscus 143 



Synaptomys 205 



Tamias 313 



Vespertilio 63 



boria, Martes 93 



Mustela 93 



borucffi, Sigmodon 184 



Bos bison 394 



moschatus 394 



bottse, Oryctomys 235 



Thomomys 235 



boylii, Hesperomys 157 



Peromyscus 157 



Brachylagus 875 



idahoensis 375 



brachjouus, Capromys 287 



Bracliypliylla 42 



cavernanim 42 



Brachyphylla, nana 43 



Page. 



Barchyphyllum cavernarum 43 



Bradypus 376 



castaneiceps 376 



didactylus 376 



infuscatus 376 



tridactylus 376 



brasiliensis, Lepus 372 



Lutra 113 



Nyctinomus 69 



brevicauda, Blarina 23 



Carollia 42 



brevicaudum, Phyllostoma 42 



brevicaudus, Evotomys 212 



Onychomys 127 



Sorex 23 



Spermophilus 315 



breviceps, Geomys 244 



brevimanus, Chilonatalus 53 



Natalus 53 



brevinasus, Perognatbus 263 



breweri, Arvicola 216 



Microtus 216 



Parascalops 10 



Scalops 10 



Scapanus 10 



bridgeri, Thomomys 235 



brochus, Syntheoscimiis 338 



browni, Fells 115 



Microsciurus 338, 401 



Sciurus 338 



brownii, Cr.promys 287 



brumalis, Martes 93 



Mustela 93 



bnmneus, Baiomys 137 



Peromyscus 137 



bryanti, Neotoma 194 



Perognathus 272 



buckleyi, Citellus 298 



Spermophilus 298 



Budorcas 394 



bulbivomm, Diplostoma 242 



bulbivorus, Thomomys 242, 235 



bullaris, Tylomys 179 



bullata, Nasua 91 



Neotoma 195 



bullatus, Peromyscus 104 



Synaptomys 205 



bulleri, Eutamias 307 



Geomys 245 



Heteromys 259 



Liomys 259 



Macrotus 36 



Oryzomys 173 



Pappogeomys 246 



Tamias 307 



burrus, Proechimys 285 



bursarius, Geomys 244 



Mus 244 



Cabassous 378 



centralis 379 



cabezonse, Perodipus 273 



Thomomys 235 



cacabatus, Peromyscus 165 



cacodcmus, Eutamias 311 



cacomitli, Felis 116 



cagottis, Canis 80 



