526 



INDEX. 



Protozoa, characters of, i. 97 ; divisions 

 of, i. 97 ; distribution of, in time, i. 

 98. 



Protriton, ii. 175, 177. 



Proviverra, ii. 396. 



Prunocystites, i. 294. 



Psammohia, i. 505. 



Psmmnodus, ii. 158, 159. 



Psaronius, ii. 436, 437, 446, 452. 



Pseudcelurus, ii. 402. 



Pseudocrinus, i. 287, 294. 



Pseudocyon, ii. 399. 



Pseudodiadema, i. 232. 



Pseuodofimgidie, i. 194. 



Pseuodoinonotis, i. 478. 



PseudoneuToptera, i. 405, 407. 



Pseudoniscus, i. 383, 384. 



Pseudoscorponidce, i. 399, 402. 



Pseudoturbinolida', i. 190. 



Psilocephalus, i. 375. 



Psilophyton, ii. 435, 444, 445, 446. 



Psittacidce, ii. 265. 



Psolus, i. 305. 



Pteranodon, ii. 223, 229. 



Pteranodontia, ii. 229. 



Pteraspis, u. 120, 126, 147, 148, 157. 



Pterichthys, ii. 115, 126, 147, 149. 



Pterinea, i. 478, 479. 



Pterocaris, i. 347, 349. 



Pteroceras, ii. 7, 8. 



Pterodactylus, ii. 224, 226, 228. 



Pterodon, ii. 400. 



Pteronites, i. 479. 



Pteroperna, i. 479. 



Pterophijllum, ii. 438, 462, 466, 467. 



Pteropidce, ii. 412. 



Pteroplax, ii. 181, 184. 



Pteropoda, characters of, ii. 47 ; orders 

 of, 248 ; distribution of, in time, ii. 48. 



Pterosawria, ii. 190, 222-229. 



Pterostoma, ii. 24. 



Pterotheca, ii. 48, 49, 50. 



Pterygotus, i. 381, 382, 383. 



Ptilodictya, i. 423, 424. 



Ptilograptus, i. 161, 162. 



Ptilonaster, i. 255, 256, 257. 



Ptilopora, i. 421, 422. 



Ptychoceras, ii. 59, 75, 85, 86. 



Ptychodus, ii. 160, 161. 



Ptyctodiis, ii. 155. 



Pugiunmius, ii. 49. 



Pulmonifera (Gasteropoda), ii. 2, 6, 41. 



Pulvinidhia, i. 116. 



/•i«^«, ii. 7, 42, 43, 44. 



Purpura, ii. 11. 



Purpurina, ii. 10. 



Pustidopora, i. 430. 



Pycnodontidce, ii. 137. 



Pycnodus, ii. 138. 



Pygaster, i. 238. 



Pygaulus, i. 240. 



Pygocephalus, i. 390. 



Pygopterus, ii. 135. 



Pygurxhs, i. 241. 



Pyramidella, ii. 16, 17. 



Pyramidellidce, ii. 5, 15. 



Pyr^tVe, i. 204, 205. 

 Pyrgoma, i. 337. 

 Pyrina, i. 240. 

 Pyrula, ii. 9, 11. 

 /^^C/zow, ii. 198, 199. 

 Pythonomorpha, ii. 206. 



Quadrumana, ii. 416. 

 Quenstedtia, i. 505. 

 (^nercus, ii. 468, 469. 

 QuingueloculiTia, i. 108, 109. 

 Quoyia, ii. 18. 



Radiata, i. 152. 



Radiolaria, i. 97 ; characters of, i. 129 ; 



distribution of, in time, i. 130. 

 Radiolites, i. 494, 495. 

 Raxlula, i. 475. 

 Rata, i. 163. 

 Puinella, ii. 9. 

 Raniceps, ii. 181. 

 Rap)hiosaurus, ii. 205. 

 Raphistoma, ii. 24, 30. 

 Raptores, ii. 266. 

 Rasores, ii. 262. 

 Rastrites, i. 163, 169. 

 Ratita;, ii. 254, 255. 

 Kays, i. 163. 



ReceptacuUtes, i. 126-128, 297, 299. 

 Red Coral, i. 219. 

 Reef-building Corals, i. 187. 

 Regiilar Echinoids, i. 230, 237. 

 Reindeer, ii. 361. 

 Remoptleuridcc, i. 364. 

 Remopleurides, i. 364. 

 Rensselceria, i. 443. 

 Reptiliu, characters of, ii. 187 ; orders 



of, ii. 190; distribution of, in time, 



ii. 190. 

 Requienia, i. 492, 493. 

 Reiepora, i. 420, 429. 

 Retiolites, i. 163. 

 y?etei«, i. 446, 447. 

 Rhabdocidaris, i. 236. 

 Rhabdoidea, i. 106. 

 Rhabdolepis, ii. 135. 

 Rhabdomeson, i. 424, 425. 

 Rhabclophora, i. 162. 

 Rhabdopleura, i. 163. 

 Jthabdopleurea, i. 419. 

 Rhamphastidoe, ii. 265. 

 PJiamphoi'ynchus, ii. 223, 229. 

 Ti-Aea, ii. 259. 

 Rhinoceridce, ii. 322. 

 Rhinoceros, ii. 320, 322, 323, 324, 325, 



326, 327, 328. 

 Rhinolophidue, ii. 412. 

 Rhinolophus, ii. 413. 

 Rkinosaurus, ii. 182, 184. 

 Rhizocarpece, ii. 434. 

 Rhizocrinus, i. 260, 261, 269, 283, 289. 

 Rhizodopsis, ii. 142, 144. 

 Rhizodus, ii. 140, 142, 144. 

 Rhizopoda, i. 197. 

 Rhizostomidce, i. 154. 

 Rhodarcea, i. 198. 



