612 



BULLETIN 128, UNITED STATES NATIONAL MUSEUM. 



borealis, Dolphinaptorus 510 



Eutamias 201 



lyasiurus 79 



Leucorhamphus 510 



Lissodolphis 510 



Lutreola 125 



Lynx 160 



Nycteris 78 



Odocoileus 488 



Pcromyscus 325 



Sibbaldus 506 



Synaptomys 395 



Tamias 201 



Urocyon 147 



Vesportilio 78 



Borcolepus 455 



boria, Martos 115 



Mustola 115 



Boromys 440 



offella 440 



torroi 441 



borucn:>, Sigmodon. 372 



Bos bison 494 



moschatus 494 



Boso\is 494 



botta?, Oryctomys 237 



Thomomys 237 



Bottlenose 516 



Bowhead 504 



boylei, Perorayscus 340 



boylii, Hosperomys 338 



Pcromyscus 338 



Brachylagus 480 



idalio<msis 480 



brachyurus, Capromys 442 



BrachyphylkT 54 



cavornarum 54 



minor 55 



nana 55 



pumila 55 



Brachyphyllum, cavernarum 54 



brachyptera, Globicephala 512 



brachypterus, Globicephalus 512 



brachyuros, Didelphys 7 



brachyurus, Capromys 442 



Bradypus 499 



castaneiceps 499 



didactylus 500 



griseus 499 



ignavus 500 



infuscatus 499 



tridactylus 499 



brasiliensis, Lepus 477 



Lutra 129 



Nyctinomus 85 



Putorius 123 



Tadarida &5 



braziliensis, Carollia 53 



breviauritus, Onychomys 303 



brevicauda, Blarina 35 



Carollia 53 



brevicaudata, Didelphis 7 



brevicaudus, Evotomys 403 



Onychomys 301 



Sorex 35 



Spermophilus 182 



breviceps, Geomys 256 



breviceps, Physeter 507 



Kogia 507 



brevimanus, Chilonatalus 65 



Natalus 65 



brevinasus, Dipodomys 292 



Perognathus 276 



brevipilosus, Lutra 129 



brevirostris, Cormura 38 



Emballonura 38 



breweri, Ar\ icola 407 



Microtus 407 



Parascalops 13 



Scalops 13 



Scapanus 13 



bridgeri, Thomomys 250 



brochus, Syntheosciurus 230 



Brockets 489 



Brotomys 440 



voratus 440 



browni, Felis 157 



Microsciurus 230 



Sciurus 230 



brownii, Capromys 442 



brumalis, Martes 115 



Mustela 115 



brunerl, Erethizon 437 



brunnescens, Ochotona 447 



brunneus, Balomys 318 



Pcromyscus 318 



bryanti, Neotoma 383 



Perognathus 286 



Sciurus 226 



buckleyi, Otospermophilus 180 



Spermophilus 180 



bulToni, Felis 156 



bulbivorum, Diplostoma 254 



bulbivorus, Thomomys 237-254 



bullaris, Tylomys 365 



bullata, Nasua 110 



Neotoma 384 



bullatus, Glaucomys 235 



Pcromyscus 345 



Synaptomys 395 



Thomomys 248 



bulleri. PAitamias 204 



Geomys 258 



Heteromys 272 



Liom3rs 272 



Macrotus 46 



Oryzomys 355 



Pappogeomys 258 



Tamias 204 



burrus, Proechimys 439 



busarius, Geomys 255 



Mus 255 



butskopf , Hyperoodon 516 



Cabassous 503 



centralis 503 



cabezonoe, Dipodomys 296 



Perodipus 296 



Thomomys 243 



caboti, Rangifer 491 



cacabatus, Peromyscus 347 



cacodemns, Eutamias 200 



Cacomistles 112 



cacomitli, Felis 159 



caveator ,Castor 298 



