INDEX. 



425 



Platysomus, 204 ; gibbosus, 203. 



Platystoma, 219. 



Pleistocene period, 346; climate of , 

 375. 



Plesiosaurus, 225, 251-255, 285 ; ctoMcto- 

 deirus, 251. 



Pleurocystites squamosus, 107. 



Pleurotoma, 303. 



Pleurotomaria, 112, 131, 190, 203, 244, 279. 



Plicatula, 219. 



Pliocene period, 335; rocks of, in 

 Britain, 336; in Belgium. 337; in 

 Italy, 337; in North America, 337; 

 life of, 338-343. 



Pliopithecus. 334; antiques, 334. 



Pliosaurus, 252. 



Podocarya, 237 . 



Podozamites, 213; lanceolalus, 214. 



Polir-schiefer, 34. 



Polycystina, 34; of Barbadoes-earth, 

 34. 



Polypora, 148, 186 ; dendroides, 187. 



Polypterus, 155, 191. 



Polystvmella, 322. 



Polytremacis, 274. 



Polyzoa, of the Cambrian, 82, 90; of 

 the Lower Silurian, 110; of the 

 Upper Silurian, 127; of the De- 

 vonian. 147, 148; of the Carbonifer- 

 ous, 186', 187 ; of the Permian, 202 ; of 

 the Trias, 215; of the Cretaceous, 

 275 ; of the Miocene, 323. 



Populus, 272. 



Porcellia, 190. 



Porcupines, 333. 



Portage Group, 137. 



Port-Jackson Shark, 156, 192,249. 



Portland beds, 234, 236. 



Post-Glacial deposits, 348, 351. 



Post-Pliocene period, 346. 



Post-Tertiary period, 296. 



Poteriocrinus, 179 



Potsdam Sandstone, 79. 



Pre-Glacial deposits, 848. 



Prestwichia, 182 ; rotundata, 183. 



Primitia,\09 ; strangulata, 108. 



Primordial Trilobites, 85. 



Primordial zone, 79. 



Proboscidea, of the Miocene, 331, 334 ; 

 of the Pliocene, 341, 342; of the 

 Post-Pliocene, 370. 373. 



Producta, 150, 188, 202; horrida, 202; 

 longispina, 189; semireticulata, 189. 



Productella, 150, 188. 



Productidse, 149, 216. 



Proetus, 126. 



Prong-buck, 330. 



Protaster, 122 ; Sedgwickii, 123. 



Proteaceas, 270, 320. 



Proteus, 193 



Protichni'es, 87. 



Protocystites, 82. 



Protornis Glarisiensis, 307. 



Protorosaurus, 2 6 ; Speneri, 205. 



Protospongia, 82 ; fenestrata, 88. 



Prototaxites, 120, 140; Logani, 141. 



Psammobia, 302. 



Psammodus, 192. 



Psaronius, 138, 167. 



Pseudocrinus bifasciatus, 107. 



Psilophyton, 120, 189, 140; princeps. 140. 



Pteranodon, 254, 285; longiceps, 285. 



Pteraspis, 132, 1 54 ; Banksii, 132. 

 Plerichthys, 154 ; cor nut as, i56. 

 Pterincea, 130 ; subfa/cata, 130. 

 Pteroceras, 244, 280. 



Pterodactylus, 252, 265 ; crassirostris, 253. 

 Pternphyllum. 213, 237 ; Jcegeri, 214. 

 Pteropoda, of the Cambrian, 89 ; of the 



Lower Silurian, 112; of the Upper 



Silurian, 131 ; of the Devonian, 151 ; 



of the Carboniferous, 189; of the 



Permian, 2'>3; of the Jurassic, 244. 

 Pterosauria, 252; of the Jurassic, 252- 



255; of the Cretaceous, 285. 

 Pterygotus Anglicus, 126, 127. 

 Ptilodictya, 110, 127; acwta. 109;/aZa'- 



/orww's 109; raripora, 128; Schafferi, 



109. 



Ptychoceras, 281 ; Ewericianum, 282. 

 Ptychodus, 283. 

 Pupa vetueta, 190. 



Purbeck Beds, 234; Mammals of, 262. 

 Purpuroidea, 244. 

 Pycnodus, 283. 

 Pyrula, 303. 



Quadrumana, of the Eocene, 316; of 

 the Miocene, 334; of the Plio- 

 cene, 343 : of the Post- Pliocene, 375. 



Quadrupeds (see Mammalia). 



Quaternary period, 346. 



Quebec Group, 96, 97, 101. 



Qutrcus, 270. 



Rabbits, 333. 



JZana, 324. 



Raptores, 308. 



Rasores. 307. 



Recent period, 296, 346. 



Receptaculites, 99. 



Red clays, origin of, 36. 



Red Coral, 322. 



Red Crag, 335. 



Red Deer, 349, 368. 



Reindeer, 367, 358, 368, 369. 



Remopleurides, 120. 



Reptiles, 204; of the Permian, 204- 

 2u7; of the Trias, 223-227; of the 

 Jurassic, 249-258; of the Cretace- 

 ous, 285-290; of the Eocene, 306, 307. 



Retepora, 110, 127, 148, 186, 202, 216; 

 Ehrenbergi, 202 ; Phittipsi, 148. 



Retiolites, 121. 



Retzia, 130. 



Rhaetic Beds, 209-211. 



Phamphorhynchus, 255 ; Bucklandi, 255. 



Rhinoceridse, 326. 



Rhinoceros Etruscus, 339,340, 349, 367; 

 leptorhinus, 339 ; megarhinus, 339-340, 

 349, 367 ; tichorhinus, 367. 



Rhinopora verrucoaa, 128. 



Rhizodus, 192. 



Rhombus minimus, 305. 



Rhyncholites, 246. 



RhynchoneUa, 112, 130, 149, 188, 241 , 276, 

 302 ; cuneata, 129 ; neplecta, 129 ; pfe- 

 rodon, 189; varians, 242. 



Rhi/nchosaurus, 224; articeps, 224. 



Rice-shells, 303. 



Richmond Earth, 35, 818. 



Ringed Worms (see Annelida). 



River-gravels, high-level and low- 

 level, 352-353. 



