INDEX. 



405 



Post-Pliocene period, 334. 



Post-Tertiary period, 286. 



Poteriocrinus, 175. 



Potsdam Sandstone, 79. 



Pre-Glaeial deposits, .336. 



Prestwichia, 179 ; rotundata, 179. 



PHmitia, 107; strangulata, 107. 



Primordial Trilobites, 85. 



Primordial zone, 79. 



Probosciclea, of the Miocene, 319, 322; of 

 the Pliocene, 329, 330; of the Post- 

 Pliocene, 357-359. 



Producta, 147, 184, 198; hori-ida, 198; 

 longispina, 185; sermreticulata, 185. 



Productella, 147, 184. 



Productidce, 147, 211. 



Proetus, 123. 



Prong-buck, 318. 



Protaster, 120; Sedgwickii, 121. 



Proteacece. 262, 308, 309. 



Proteus, 189. 



Protichnites, 87. 



Protocystites, 82. 



Protornis Glarisiensis, 297. 



Protorosaurus, 201, 202 ; Speneri, 201. 



Protospongia, 81 ; fenestrata, 88. 



Prototaxites, 1 18, 138 ; Logani, 139. 



Psainmohia, 292. 



Psammodus, 188. 



Psaronim, 136, 164. 



Pseudocrinus hifasciatus, 106. 



Psilophyton, 118, 137, 138 ; princeps, 188. 



Pteranodon, 247, 277 ; longiceps, 277. 



Pteraspis, 130, 152 ; Banksii, 130. 



Pterichthys, 152; cornutus, 153. 



Pterincea, 128; subfalcata, 128. 



Pteroceras, 237, 271. 



Pterodactylus, 245, 277; crassirostrls, 246. 



Pterophyllum, 208, 230 ; Jcegeri, 209. 



Pteropoda, of the Cambrian, 88 ; of the 

 Lower Silurian, 111; of the Upper 

 Silurian, 129; of the Devonian, 148; 

 of the Carboniferous, 186; of the Per- 

 mian, 199 ; of the Jurassic, 237. 



Pterosauria, 245 ; of the Jurassic, 245-248 ; 

 of the Cretaceous, 277. 



Pterygotus Anglicus, 124, 125. 



Ptilodictya, 108, 125 ; acttia, 109 ; /aZci- 

 formis, 109; raripora, 126; Schafferi, 

 109. 



Ptychoceras, 273 ; Emericianum, 274. 



Ptychodus, 275. 



Pt/;2?a vetusta, 186. 



Purbeck Beds, 228 ; Mammals of, 254. 



Purpuroidea, 237. 



Pycnodus, 275. 



Pyrula, 293. 



Quadrumana, of the Eocene, 305 ; of the 

 Miocene, 322, 323 ; of the Pliocene, 331 ; 

 of the Post-Pliocene, 361. 



Quadrupeds (.see Mammalia). 



Quaternary period, 334. 



Quebec Group, 95, 96, 101. 



Qiiercus, 262. 



Rabbits, 322. 

 iiana, 313. 

 Raptores, 297. 

 Rasores, 297. 

 Recent period, 286, 334. 

 Receptaculites, 99. 



Red clays, origin of, 35. 



Red Coral, 311. 



Red Crag, 324. 



Red Deer, 336, 354. 



Reindeer, 344, 345, 354, 355. 



Memopleurides, 188. 



Reptiles, 200; of the Permian, 200-202; 

 of the Trias, 217-221 ; of the Jurassic, 

 242-251 ; of the Cretaceous, 276-281 ; of 

 the Eocene, 296, 297. 



Retepom, 108, 125, 145, 184, 198, 210; 

 Ehrenbergi, 198 ; Phillipsi, 146. 



Retiolites, 119. 



Retzia, 127. 



Rhsetic Beds, 204-206. 



Rhamphorhynchus, 247; Bucklandi, 248. 



Ehmoceridce, 315. 



Rhinoceros Etruscus, 327, 328, 336, 353; 

 leptorhiiius, 328; megarhinus, 327-329, 

 336, 353 ; tichorhinus, 353, 354. 



Rhinopora verrucosa, 126. 



Rhizodus, 188. 



Rhombus minimus, 295. 



Rhyncholites, 239. 



Rhynchonella, 110, 127, 147, 184, 234, 268, 

 292; cuneata, 127; neglecta, 127; pleu- 

 rodon, 185 ; varians, 235. 



Rhijnchosaurus, 218 ; articeps, 218. 



Rice-shells, 293. 



Richmond Earth, 33, 307. 



Ringed Worms (see Annelida). 



River-gravels, high-level and low-level, 

 340, 341. 



Robxdina, 311. 



Rocks, definition of, 14; divisions of, 

 14, 15; igneous, 14; aqueous, 15-18; 

 mechanically-formed, 18-20; chemically- 

 formed, 20; organically-formed, 20-37; 

 arenaceous, 20; argillaceous, 20; cal- 

 careous, 20-32; siliceous, 20, 32-34. 



Rodentia, of the Eocene, 305 ; of the 

 Miocene, 322; of the Post-Pliocene, 361. 



Roebuck, 386, 354. 



Rostellaria, 237, 293. 



Rotalia, 22, 98, 171, 264 ; Boueana, 264. 



Rugose Corals, 104; of the Lower Silurian, 

 104, 105; of the Upper Silurian, 119; 

 of the Devonian, 141 ; of the Carbon- 

 iferous, 172-174; of the Permian, 197; 

 of the Upper Greensand, 266. 



Rupelian Clay, 307. 



Sabal major, 309. 



Sabre-toothed Tiger, 322, 331. 



Saccammina, 172. 



Saxcosoma, 232. 



Salamanders, 189, 313. 



Salina Group, 117. 



Salix, 262 ; Meeki, 263. 



Salmonidce, 276. 



Sao hirsuta, 85. 



Sassafras cretacea, 263. 



Sauropterygia, 219. 



Scalaria, 271, 298 ; Groenlandica, 338. 



Scaphites, 272, 273 ; cequalis, 274. 



Schizodus, 198, 211. 



Schoharie Grit, 135, 137. 



Scolecoderma, 82. 



Scoliostoma, 213. 



Scolithus, 82 ; Canadensis, 83. 



Scorpions of the Coal-measures, 181. 



Scorpion-shells, 271. 



