1936] 



MAMMALS AND LIFE ZONES OF OREGON 



411 



nevadensis, Bassariscus astutus, S18. 



Citellus elegans, 32, 158. 



Neotoma lepida, 32, 175, 176. 



Perognathus, 33, 248. 



Thomomys, 15. 



Thomomys townsendii, 33, 250, 252. 



Vulpes macrotis, 33, 285. 



Zapus, 234. 



Newport, type locality, 228. 

 niger, Thomomys, 21, 33, 2154, 256. 

 nigrescens, Reithrodontomys megtalotis, 



189. 

 noctivagans, Lasionycteris, 34, 381. 



Vespertilio, 381. 

 nodosa-, Megaptera, 342. 

 Nonvolcanic areas, 6. 

 norvegicus, Mus, 167. 



Rattus, 32, 167. 

 notatOj Chincha occidentalism, 310. 



Mephitis occidentalis, 34, 308, 310. 

 novacalidoniae, Canis familiaris, 280. 

 noveboracensis, Mustela, 290. 

 nubilus, Canis lycaon, 33, 272, 273, 274. 

 nuttallii, Lepus, 107. 



sylvilagus, 109. 



Sylvilagus nuttallii, 31, 107. 

 Nycteris cinerea, 34, 384. 



obliquidens, Lagenorhynchus, 347. 

 obscurus, Clethrionomys californicus, 

 32, 191, 192. 



Evotomys, 192. 



Sorex obscurus, 34, 360, 361, 362. 

 ocoidentalis, Cervus, 81. 



Mephitis occidentalis, 34, 308, 310, 

 311. 



Neotoma cinerea, 32, 171, 174. 

 occipitalis, Fiber zibethicus, 33, 215, 



218. 

 Ochotona, 110, 112. 



brunnescens, 31, 113, 116. 



fumosa, 31, 113, 116. 



jewetti, 31, 113, 114. 



taylori, 31, 112. 

 Ochotonidae, 112. 

 ochraceus, Eutamias amoenus, 32, 133, 



137. 

 ochrogenys, Eutamias townsendi, 130. 



Eutamias townsendii, 32, 127, 130. 

 ochrourus, Odocoileus virginianus, 31, 



90, 91. 

 Odocoileus borealis, 92. 



columbianus, 31, 84, 86. 



leucurus, 31, 89, 92, 93. 



macrotis, 31, 83. 



macrourus, 92. 



ochrourus, 31, 90, 91. 

 olympicus, Phenacomys intermedius, 



32, 194, 201. 

 Onychomys brevicaudus, 178. 



fuscogriseus, 32, 177. 



torridus, 179. 



Opossum, Virginia, 34, 393. 

 orarius, Scapanus orarius, 34, 353, 354. 

 Orca, 348. 

 Orca ater, 348. 



rectipinna, 347. 



orca, DelpMnus, 348. 



Orcinus, 348. 

 Orcinus ater, 348. 



orca, 348. 



rectipinna, 347. 

 Oreamnos americanus, 61. 



missoulae, 62. 



montanus, 61. 



oregona, Antilocapra americana, 31, 70. 

 oregonensis, Felis concolor, 33, 261. 



Glaucomys sabrinus, 32, 163, 164. 



Mustela xanthogenys, 33, 290, 291. 



Pteromys, 163. 



Putorius xanthogenys, 291. 

 oreyoni, Arvicola, 212. 



Microtus oregoni, 33, 212. 

 oregonus, Bassariscus flavus, 317. 



Bison bison, 31, 57. 



Citellus, 32, 149, 152, 159. 



Microdipodops megacephalus, 33, 

 241. 



Spermophilus, 149. 



Thomomys, 21. 



Thomomys douglasii, 33, 254. 



Zapus princeps, 33, 232, 234. 

 oribasus, Mustela, 288. 

 origenes, Martes caurina, 33, 296, 297. 



Mustela caurina, 297. 

 orophilus, Phenacomys, 200. 

 osoyoosensis, Fiber zibethicus, 33, 215, 



2ia 



Otaria californfana, 332. 

 Otariidae, 330. 

 Otter, 56, 219, 223. 



sea. See Sea otter. 



western, 34, 301. 

 Ovis californiana, 31, 63, 64. 



calif ornianus, 64. 



canadensis, 31, 63, 64, 65. 



montanus, 61. 



nelsoni, 69. 



pacifica, Aplodontia, 21. 



Aplodontia rufa, 33, 225, 228. 



Lutra canadensis, 34, 301. 



Lutra hudsonica, 301. 



Martes pennanti, 33, 298. 



Mustela canadensis, 298. 



Procyon lotor, 34, 315. 



Procyon psora, 315. 

 pacificus, Antrozous pallidus, 34, 390. 



Castor canadensis, 33, 218, 222. 



Sorex pacificus, 34, 363, 364. 



Zapus trinotatus, 33, 232, 233. 

 pallesoens, CorynorMnus macrotis, 388. 



Corynorhinus rafinesquii, 34, 387, 

 388. 



Lynx fasciatus, 268. 



Lynx rufus, 33, 267, 268. 

 pallidus, Antrozous, 390. 

 Palmer, Theodore S., 3. 

 palmeri, Atophyrax bendirii, 358. 



Sorex bendirii, 34, 358. 

 Panther, 261, 264, 325. 

 parvus, Cricetodipus, 244. 



Perognathus, 14, 249. 



Perognathus parvus, 33, 244, 247. 



