457 



I'agl. 



novem-cinctus. (Cabassous) 4 



nubilus. (Canis) 300 



nubiterrae. (Peromyscus c.i I2q 



nuttalli. (Lepusi 284, 286 



nuttalli. (Peromyscus) 140 



Nycticejus 415 



Nycticejus crepusciilaris 415 



Nycticejus humeralis 415 



Nycliuomiis 416 



Nyctinonius azeticus 417 



Nyctinomus brasiliensis 416, 417 



Nyctinonius cynocephalus 417 



Nyctinomus femorosaccus 417 



Nyctinomus fuliginosus 417 



\vctiiiomus macrotis nevadensis.. . 417 



Nyctinonius mcxicanus 417 



Nyctinomus mohavensis 418 



Nyctinomus murinus 417 



Nyctinomus naso 417 



Nyctinomus nasutus 417 



iihesus. (Trichechus) 358 



iibliquidens. (Lagenorhynchus). . . . 27 



obscurus. (Evotomys) 176 



obscurus. (Fiber) 214 



obscurus. (Myotis) 403 



obscurus. (Perognathus) 253 



obscurus. (Pipistrellus s.) 40g 



obscurus. (Sorex) 369.371, 372 



obsidianus. (Spermophilus s.) 97 



obsoletus. (Spermophilus) 95 



occidentalis. (Canis) 300 



occidentalis. (Cervus ci 34 



occidentalis. (Evotomys) 176, 177 



occidentalis. (Mephitis) 324 



occidentalis. (Microtus) 190 



occidentalis. (Neotoma a.) 164, 165 



occidentalis. 'Sciurusi 52 



occisor. (Putorius n.) 347 



oceanica. (Phocai 364 



Ochotomys 178 



Ochotona 266 



Ochotona collaris 268 



Ochotona cuppes 268 



Ochotona minimus 2(^8, 269 



Ochotona princeps 267, 269 



Ochotona saxatilis 268 



Ochotona schisticeps 267 



Ochdtonidae 266 



ochraceous. (Evotomys g.) 172 



ochrogaster. (Hypuilaeus) I96 



I'ACE. 



ochroirenys. (Tamias t.) 71 



ochropus. (Canis) 303 



octo-cinctus. (Cabassous) 4 



Octognosis 241 



oculeus. (Felis r.) 297 



ocythous. (Urocyon c.) 309 



Odocoileus 38 



, Odocoileus americanus 39 



I Odocoileus a. couesi 40 



Odocoileus a. macrourus 39 



Odocoileus a. osceola 40 



Odocoileus a. texensis 40 



Odocoileus auritus 42 



Odocoileus columhianus 41 



Odocoileus c. scaphiotus 42 



Odocoileus c. sitkensis 42 



Odocoileus crooki 41 



Odocoileus hemionus 42 



Odocoileus h. californicus 43 



Odocoileus leucurus 39 



Odocoileus Ifwisi 41 



Odocoileus macrotis 42 



Odocoileus mexicanus 40 



Odocoileus ])unctuhitus 41 



Odocoileus richardsoni 41 



Odocoileus speleus 38 



Odocoileus virginianus 39 



Ogotoma 266 



olivaceus. (Perognathus m.) 249 



olivaceus. (Spermophilus t.). .. ico, loi 



olympica. (Haplodontia) 114 



olympica. (Spilogalc) 332 



olympicus. (Phcnacomys) 168 



olynipicus. (Sciuropterus v.) 110 



olympus. (Arctomys) 107 



olympus. (Felis) 294 



onca. (Felis) 294 



Ondatra 211 



oneida. (Microtus) 180 



Onychomys 119 



Onychomys arcticeps 121 



Onychomys fuliginosus >23 



Onychomys leucogaster 



119, 120,121, 122 



Onychomys I. longipes 120, 121 



Onychomys 1. melanophrys.120, 121, 123 



Onychomys 1. pallescens 121 



Onychomys longicaudus 121, 122 



Onychomys 1. brc\ icauda 120 



Onychomys missouriensis 1 19 



Onychomys ramoiia 121 



