424 



INDEX. 



Osmeroides, 284 ; Mantelli, 284. 



Osmerus, 285. 



Osteolepis, 15fi. 



Ostracode, Crustaceans of the Cam- 

 brian, 84; of the Lower Silurian, 

 109 ; of the Upper Silurian, 125; of 

 the Devonian, 146; of the Carboni- 

 ferous, 183; of the Permian, 202; of 

 the Trias, 215; of the Jurassic, 240; 

 of the Cretaceous, 275. 



Ostrea acuminata, 242; Couloni, 277; 

 deltoidea, 242; distorta, 242 ; expcmsa, 

 gregarea, 242; Marshii, 242, 243. 



Otodus, 305; obliquus, 306. 



Otozamites, 234. 



Otozoum, 211. 



Oudenodon, 226 ; Bainii, 227. 



Ovibos moschatus, 370. 



Oxford Clay, 234, 236. 



Oxyrhina, 323; xiphodon. 324. 



Oysters, 242, 243, 277. 



Pachyphyllum, 176. 



Palxarca, 112. 



Palxaster, 123; Ruthveni, 123. 



Palasterina, 122 ; primceva, 123. 



Palxchinus, 122, 182 ; ellipticus, 181. 



Palxocaris, 184 , fr/ps, 184. 



Palxocoma, 122 ; Colvini, 123. 



Palxocoryne, 176. 



Palaeolithic man, remains of, 377-379. 



Palxomanon, 120. 



Palxoniscus, 192, 204. 



Palxontina Oolitica, 241. 



Palaeoritological evidence as to Evo- 

 lution, 61, 386-388. 



Palaeontological record, imperfec- 

 tion of the, 51, 52. 



Palaeontology, definition of, 10. 



Palxonyctis, 315. 



Palxophis, 306; toliapicus, 306; fy- 

 phxus, 306. 



Palxoreas, 329. 



Palxosaurus, 206, 225; platyodon, 225. 



Palxosiren Beinerti, 204. 



Palxotherium, 3 ; magnum, 311. 



Palxoxylon, 173. 



Palaeozoic period, 45. 



Palms, 237, 271, 300, 319, 320. 



Paludina, 267, 304. 



Pandanece, 237. 



Pandanus, 270. 



Paradoxides, 86, 87, 109; Bohemicus,%6. 



Parasmilia, 274. 



Parkeria, 272. 



Pear Encrinite, 238. 



Pearly Nautilus, 58, 112, 113, 244. 



Peccaries, 328. 



Pecopteris, 138, 167, 200. 



Pecten Grcenlandicus, 851 ; Islandicus, 

 351 ; Valoniensis, 216, 217, 209. 



Penarth Beds, 209. 



Pennatulidx, 302. 



Pentacrinus, 238; caput-medusx, 238; 

 fasciculosus, 239. 



Pentamerus, 128, 128; galeatus. 129; 

 Knightii, 130. 



Pe.ntremites, (see Blastoidea). 



Pentremites conoideus, 180 ; pyriformis, 

 180. 



Perching Birds, 307. 



Percidce, 284. 



Periechocrinus, 125. 



Perissodactyle Ungulates, 310, 326,339. 



Permian period, 196-207 ; rocks of. in 

 Britain, 198; in North America, 

 199; life of, 200-312. 



Persistent types of life, 59, 386. 



Petalodus. 192. 



Petraster, 122. 



Petroleum, origin of, 37. 



Pezophaps, 361. 



Phacops, 110, 126, 146 ; Downingiaz, 126 ; 

 granulatus, 147 ; tevis, 147 ; latifrons, 

 147, 146 ; longicaudatus, 126 ; rcma, 146. 



Phoenopora ensiformis, 128. 



Phalangers,362. 



Phanerogams, 167. 



Phaneropleuron, 156. 



Phascolotherium, 261, 261. 



Pheronema, 272. 



Phillipsastrxa, 144. 



PhilUpsia, 183; seminifera, 184. 



Pholadomya, 242. 



Pfiormosoma, 181. 



PAortta, 279. 



Phosphate of lime, concretions of, 

 31 ; disseminated in rocks, 31 ; ori- 

 gin of, 32. 



Phyllograptus, 104; Zt/piw, 103. 



Phyllopoda, of the Cambrian, 84: of 

 the Lower Silurian, 109; of the Up- 

 per Silurian, 125; of the Devonian, 

 148; of the Carboniferous, 183; of 

 the Permian, 201 ; of the Trias, 216. 



Phyllopora, 216. 



Physa, 304 ; columnaris, 304. 



Pigs, 313, 328, 340, 367. 



Pilton Group, 136. 



Pinto, 173. 



Pisces (see Fishes). 



Pisolite, 30. 



Pisolitic Limestone of France, 265, 

 295. 



Placodus, 226 ; 0i0as, 226. 



Placoid Fishes, 152; of the Upper 

 Silurian, 132, 133; of the Devonian, 

 155-156; of the Carboniferous, 191; 

 of the Permian, 204; of the Trias, 

 220; of the Jurassic, 249; of the 

 Cretaceous, 283; of the Eocene, 305 ; 

 of the Miocene, 323. 



Plagiaulax, 261. 



Planolites, 125; vulgaris, 125. 



PlmorUs, 304. 



Plants, of the Cambrian, 80, 81; of 

 Lower Silurian, 98, 99 ; of the Up- 

 per Silurian, 120 ; of the Devonian, 

 138-141; of the Carboniferous, 167- 

 174; of the Permian, 200; of the 

 Trias, 212, 213 ; of the Jurassic, 236, 

 237; of the Cretaceous, 269, 271; of 

 the Eocene , 299, 300; of the M iocene , 

 319-322. 



Plasmopora, 121. 



Platanus, 270, 320 ; aceroides, 320. 



Platephemera antiqua, 147. 



Platyceras, 130, 151; dumosum, 151; 

 muUisinuatum, 131; ventricosum, 131. 



Platycrinus, 124, 178; tricontadactylus, 

 179. 



Platyostoma, 131 ; Niagarense, 131. 



Platyrhine Monkeys, 375. 



Platyschisma helicites, 131. 



