MILLER AND REHN : NORTH AMERICAN MAMMALS. 335 



nivalis (Isclmoglossa), 280. 

 nivalis (Leptonycteris), 286. 

 nivalis (Mustela), 221. 

 nivariujs (Evotomys), 116. 

 niveiventris (Hesperomys), 81. 

 niveiventris (Peromyscus), 81. 

 Noctilio, 269. 



americanus, 269. 



inastivus, 270. 

 Noctilionidae, 267. ; 

 Noctilioninae, 269. 

 noctivagans (Lasionycteris), 258. 

 noctivagans (Vespertilio), 258. 

 noctivagans (Vesperugo), 258. 

 norvegicus (Mus), 65. 

 Notiosorex, 244. 



crawfordi, 244. 



evotis, 245. 



gigas, 245. 



notius (Putorius), 223. 

 noveboracensis (Atalapha), 262. 

 noveboracensis (Mus), 68, 77. 

 noveboracensis (Peromyscus), 77. 

 noveboracensis (Putorius), 223. 

 novemcinctum (Tatu), 11. 

 novemcinctus (Dasypus), 11. 

 novemcinctus (Tatu), 12. 

 novemcinctus (Tatusia), 12. 

 nubilus (Cahis), 207. 

 nubiterrae (Peromyscus), 71. 

 nuchalis (Sciurus), 27. 

 nudicaudata (Didelphys), 6. 

 nudicaudatus (Metachirus), 6. 

 nudicaudus (Hesperomys), 88. 

 nudicaudus (Tylomys), 88. 

 nudipes (Hesperomys), 81. 

 nudipes (Peromyscus), 81. 

 nuttalii (Peromyscus), 82. 

 nuttalli (Arvicola) 81. 

 nuttalii (Lepus), 188. 

 nuttalli (Peromyscus), 81. 

 nuttallii (Lepus), 188. 

 Nycticea cynocephala, 272. 

 Nycticeius, 263.- 



cuban us, 264. 



humeralis, 264. 

 Nycticejus crepuscularis, 264. 

 Nyctinomus, 271. 



aegyptiacus, 271. 



brasiliensis, 271, 272. 



calif ornicus. 272. 



cynocephalus, 272. 



depressus, 272. 



femorosaccus, 272. 



gracilis 272. 



nwrotis. 272. 



minutus, 273. 



inohavensis, 273. 



nevadensis, 273. 



Nyctinomus orthotis, 273. 

 Nyctipithecinae, 297. 

 Nyctipithecus, 297, 298. 



rufipes, 298. 



vociferans, 298. 



oaxacae (Marmosa), 5. 

 oaxacensis (Peromyscus), 82. 

 obensis (Myodes), 134. 

 obesus (Odobaenus), 196. 

 obesus (Odobenus), 196. 

 obesus (Trichechus), 196. 

 obscura (Blarina), 247. 

 obscurus (Eutamias), 42. 

 obscurus (Evotomys), 115. 

 obscurus (Fiber), 130. 

 obscurus (Lichonycteris), 286, 287. 

 obscurus (Molossus), 270. 

 obscurus (Perognathus), 306. 

 obscurus (Pipistrellus), 259. 

 obscurus (Sorex), 238, 307. 

 obscurus (Tamias), 42. 

 obsidian us (Spermophilus), 55. 

 obsoletus (Spermophilus), 53. 

 occidentals ((^ervus), 18. 

 occidentalis (Evotomys). 115, 302. 

 occidentalis (Mephitis), 214. 

 occidentalis (Neotoma), 102. 

 occisor (Putorius), 223. 

 Ochetodon humilis, 97. 



longicauda, 97. 



mexicanus, P8. 



montanus, 99. 

 Ochotona, 175. 



alpinus, 175. 



collaris, 176. 



cuppes, 176. 



ochotona, 175. 



princeps, 176. 



pusillus, 175. 



saxatilis, 176. 



schisticeps, 176. 

 ochotona (Ochotona), 175. 

 Ochotonidae, 175. 

 ochraceus (Kvotomys), 114. 

 ochrogaster (Hypudaeus), 128. 

 ochrogaster (Microtus), 128. 

 ochrogenys (Eutamias), 45. 

 ochropus (Canis), 209. 

 Octodontidae, 169. 

 oculatus (Sciurus^ 35, 301. 

 oculeus (Lynx), 200. 

 ocythous (Urocyon), 203. 

 Odobaenus obesus. 196. 



rosmarus, 197. 

 Odobenidae, 196. 

 Odobenus, 196. 



obesus. 196. 



rosmarus. 197. 



