426 



INDEX. 



Oreortyx, 66. 



Oreosaurus, 320. 



Organist, 78. 



Oriental realm, 90. 



Oriole, 106. 



Ornithopoda, 162. 



Ornithorhynchus, 333. 



Orodus, 300. 



Orohippus, 371, 372. 



Orthis, 145, 255. 



Orthisina, 255. 



Orthoceras, 137, 139, 145, 156, 190, 



192, 265, 266. 

 Orthoptera, 279, 283, 284. 

 Orthotomus, 94. 

 Orycteropus, 336. 

 Oryx, 84, 377. 

 Oscillatorise, 120. 

 Osteolepis, 149, 301. 

 Osteopygis, 315. 

 Osteornis, 331. 

 Ostracoda, 126, 274. 

 Ostrea, 166, 168, 211, 272. 

 Ostrich, 32, 38, 88; American, 79; 



fossil, 332. 

 Otaria, 391. 

 Otis, 66. 

 Otocyon, 386 

 Otodus, 300. 

 Otter, 390. 

 Oudenodon, 159. 

 Ounce, 383. 

 Oustiti, 396. 

 Ovibos, 379, 380. 



Owl, 19, 66, 69, 104 ; fossil, 331-333. 

 Oxysena, 393. 

 Oyster, earliest, 272. 



Paca, 361. 



Pachycyon, 388. 



Pachy lemur, 403. 



Pachysimia, 375. 



Pacific, temperature of, 116. 



Palseacodon, 348. 



Palsearctic region, 56. 



Palsemon, 275. 

 Palaeoblattina, 146, 282, 283. 

 Palseocampa, 286. 

 Palseocetus, 344. 

 Palseochoerus, 374. 

 Palseocircus, 331. 

 Palseodictyoptera, 282. 

 Palaeolagus, 365. 

 Palasolama, 376. 

 Palaeolemur, 348, 402. 

 Palseomeryx, 381. 

 Palseoniscus, 302. 

 Palseonyctis, 393. 

 Palaeopalsemon, 148, 275. 

 Palseophis, 327. 

 Palseophoca, 393. 

 Palaeophoncus, 146, 285. 

 Palseopithecus, 400. 

 Palseorbis, 208. 

 Palseoreas, 378. 

 Palseornis, 88. 

 Palaeornithidse, 95. 

 Palaeortyx, 331. 

 Palseoryx, 378. 

 Palseosaurus, 155. 

 Palseosiren, 311. 

 Palaeospalax, 348. 

 Palseospiza, 331. 

 Palaeosyops, 372. 

 Palseotherium, 371. 

 Palseotragus, 378. 

 Palseotringa, 330. 

 Palaeozoic faunas, 156. 

 Palamedea, 81. 

 Palapteryx, 333. 

 Palasterina, 135. 

 Palechinus, 151. 

 Palephemera, 282, 283. 

 Palestine, birds of, common to Eu- 

 rope, 106. 

 Palinurus, 122. 

 Paludestrina, 264. 

 Paludina, 69, 166. 

 Pangolin, 336, 337. 

 Panochthus, 339. 



