INDEX. 



435 



MystriosauruB, 329. 

 Mytilidffl, 148, 166, 207, 271. 



Naiadites, 209. 



Narioa, 269. 



Narwhal, 344. 



Nasua, 390. 



Naliea, 166, 207, 262, 269. 



Nautilus, 187, 145, 192, 207, 213, 265- 



267. 

 Neasra, 263. 

 Necrolemur, 348, 403. 

 Nectarinea, 87, 94, 102, 106. 

 Neetaropliila, 94. 

 Necturus, 306. 

 Nematooarciiius, 112. 

 Neotalffina, 345. 

 Neolimulus, 279. 

 Neophron, 106. 

 Neoplajiiaillax, 336. 

 Neotropical realm, 73. 

 Neritina, 166, 209, 211. 

 Nesokerodon, 363. 

 Ncsokia, 355. 

 Nestor, 102. 

 Neurogyinnurus, 347. 

 Neu'roptera, 279, 282, 283. 

 Neurotriohus, 348. 

 Newt, 306. 

 Night-ape, 395, 896. 

 Nightingale, 65, 70. 

 Nimravus, 385. 

 Noctiluca, 122. 

 Notelephas, 366. 

 Nothosaurus, 159. 

 Notidanus, 297, 300. 

 Notornis, 333. 

 Nototherium, 336. 

 Nuoulidse, 148, 207, 263, 271. 

 Numidinse, 88. 

 Nummuhtes, 152, 178, 189. 

 Nuthatch (fossil), 65, 330. 

 Nutria, 800. 

 Nyotioebus, 401. 

 Nyctioejus, 351. 



Nyctiornis, 94. 

 Nyctipithecus, 895, 896. 

 Nylghau, 378. 



Obolella, 255. 



Oholus, 145, 257. 



Oceanic basins, permanency of, 220. 



Ocelot, 383. 



Ooulina, 248, 249. 



Odontopteryx, 831. 



Odontornithes, 330. 



Oeningen, insects of, 284. 



Olenus, 146. 



Oligobunis, 388. 



Olividaj, 169, 270. 



Omphyma, 143. 



Onager, 370. 



Onchus, 142, 800. 



Ouyohogale, 96. 



Onychoteuthis, 138. 



Ophibolus, 328. 



Ophiderpeton, 310, 311. 



Ophidia, distribution of, 820. 



Ophidiidffi, 299. 



Ophiodei'ma, 166. 



Ophioglypha, 166. 



Opliiophagus, 322, 325. 



Ophiosaurus, 316. 



Ophiura, 111. 



Ophiurella, 166. 



Ophiuroidca (deep- sen), 111. 



Opistliocoinus, 81. 



Opossum, 334. 



Oppelia, 267. 



Oraoanthus, 152. 



Orbicella, 248. 



Orbioulina, 234. 



Orbitoides, 178. 



Orbitolites, 234. 



Orbulina, 109, 235-237. 



Orca, 343. 



Orcella, 843. 



Orders, distribution of, 32. 



Oreodon, 382. 



Oreopitheous, 400. 



