426 



IITDBS. 



Oreortyx, 66. 



Oreosaui'us, 323. 



Organist, 78. 



Oriental realm, 90. 



Oriole, 106. 



Ornithopoda, l')2. 



Ornithorhynohus, 333. 



Orodus, 300. 



OroMppus, 371, 372. 



Orthia, 145, 255. 



Orthisina, 255. 



Orthoccras, 137, 139, 145, 156, 100, 



192, 265, 266. 

 Orthoptora, 279, 283, 284. 

 Orthotoniiis, 94. 

 Oryoteropus, 336. 

 Oryx, -84, 377. 

 OscillatoriiE, 120. 

 Osteolepis, 149, 301. 

 Odteopygis, 315. 

 Oateomi-i, 331. 

 Oatracoda, 126, 274. 

 Ostrea, 166, 168, 211, 272. 

 Ostrich, 32, 33, 83; American, 79; 



fossil, 332. 

 Otaria, 391. 

 Otia, 66. 

 Otocyon, 386 

 Otodiia, 300. 

 Otter, 390. 

 Oudenodon, 159. 

 Ounce, 333. 

 OHstiti, 396. 

 Ovibos, 379, 380. 



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

 Oxytena, 393. 

 Oyster, earlieat, 272. 



Paca. 301. 

 Pachycyon, 388. 

 Pacliyleraur, 403. 

 Paohysitnia, 375. 

 Pacific, temperature of, 116. 

 Palaeacodon, 348. 

 Palaearctio region, 56. 



Palsemon, 275. 

 Palffioblattina, 146, 282, 283. 

 Palaeocampa, 286. 

 Palseocetus, 344. 

 Palseochoerus, 374. 

 Pateocircus, 331. 

 Palffiodictyoptura, 282. 

 Pakeolagu ', 365. 

 Paloeolama, 376. 

 Palseolemur, 348, 402. 

 Palseomoryx, 381. • 

 Palaeoniscua, 302. 

 Palajonyctls, 393. 

 Palaeopalaemon, 148, 275. 

 PaliEophis, 327. 

 Palajophoca, 393. 

 Palasophoncns, 146, 285. 

 Palseopitliecus, 400. 

 Palteorbis, 208. 

 Paloeoreaa, 378. 

 Palaeornis, 88. 

 Palaeomithidse, 95. 

 Palseortyx, 351. 

 Palceoryx, 378. 

 PaliBosaurus, 155. 

 Palseosiren, 311. 

 PaliEospalax, 348. 

 Palseospiza, 331. 

 Palseosyops, 372. 

 Palseotherium, 371. 

 Palseotragus, 378. 

 Palaeotringa, 330. 

 Palaeozoic faunas, 156. 

 Falamedea, 81. 

 Palaptcryx, 333. 

 Palasterina, 135. 

 Palechinus, 151. 

 Palephemera, 282, 283. 

 Palestine, birds of, common to Eu- 

 rope, 106. 

 Palinurus, 122. 

 Paludeatrina, 264. 

 Paludina, 69, 166. 

 Pangolin, 336, 337. 

 Panochthua, 339. 



