INDEX. 



435 



Mystriosaurus, 829. 

 Mytilidffi, 148, 166, 207, 271. 



Naiadites, 209. 



Narioa, 269. 



Narwhal, Sii. 



Nasua, 390. 



Nalica, 166, 207, 262, 269. 



Nautilus, 137, 145, 192, 207, 213, 265- 



267. 

 Nesera, 263. 

 Necrolemur, 348, 403. 

 Nectarinea, 87, 94, 102, 106. 

 Neetarophila, 94. 

 Neoturua, 306. 

 Nematooarcmus, 112. 

 Neobalsena, 345. 

 Neolimulus, 279. 

 Neophron, 106. 

 Neoplagiaulax, 336. 

 Neotropical realm, 78. 

 Neritina, 166, 209, 211. 

 Nesokerodon, 363. 

 Nesokia, 355, 

 Nestor, 102. 

 Neurogyinnui'us, 347. 

 Neuroptera, 279, 282, 283. 

 Neurotriohus, 348. 

 Newt, 806. 

 Night-ape, 395, 396. 

 Nightingale, 65, 70. 

 Nimravus, 385. 

 Noctiluoa, 122. 

 Notelephas, 366. 

 Nothoaaurus, 159. 

 Notidanus, 297, 300. 

 Notomis, 338. 

 Nototherium, 886. 

 NuoulidsB, 148, 207, 263, 271. 

 Numidinse, 88. 

 Nummulites, 152, 173, 189. 

 Nuthatch (fossil), 65, 880. 

 Nutria, 390. 

 Nyotieebus, 401. 

 Nycticejus, 351. 



Nyotiornis, 94. 

 Nyotipitheoua, 395, 396. 

 Nylghau, 378. 



Obolella, 255. 



Obolus, 145, 257. 



Oceanic basins, permanency of, 220. 



Ocelot, 388. 



Ooulina, 248, 249. 



Odontopteryx, 881. 



Odontomithes, 380. 



Oeningen, insects of, 284. 



Olenus, 146. 



Oligobunis, 388. 



Olividffi, 169, 270. 



Omphyma, 143. 



Onager, 870. 



Onchus, 142, 300. 



Onychogale, 96. 



Onychoteuthis, 188. 



Ophibolus, 823. 



Ophiderpeton, 810, 811. 



Ophidia, distribution of, 320. 



Ophidiidse, 299. 



Ophioderma, 166. 



Ophioglypha, 166. 



Ophiophagus, 322, 825. 



Ophiosaurua, 316. 



Ophiura, 111. 



Ophiurella, 166. 



Ophiuroidoa (deep-sea). 111. 



Opistliocoraus, 81. 



Opossum, 884. 



Oppelia, 267. 



Oraoanthui?, 152. 



Orbicella, 248. 



Orbioulina, 234. 



Orbitoides, 173. 



Orbitolites, 234. 



Orbulina, 109, 235-237. 



Orea, 348. 



Oroella, 848. 



Orders, distribution of, 32. 



Oreodon, 882. 



Oreopithecus, 400. 



