INDEX. 



405 



Post-Pliocene period, 334. 



Post-Tertiary period, 286. 



Poteriocrinus, 175. 



Potsdam Sandstone, 79. 



Pre-Glaeial deposits, 336. 



Prestwichia, 179 ; rotundata, 179. 



Primitta, 107; strangulata, 107. 



Primordial Trilubites, 85. 



Primordial zone, 79. 



Proboseidea, of the Miocene, 319, 322; of 

 the Pliocene, 329, 330; of the Post- 

 Pliocene, 357-359. 



Produeta, 147, 184, 198; horrida, 198; 

 Ir-ngispina, 185; semireticulata, 185. 



Productella, 147, 184. 



Productida', 147, 211. 



Proetus, 123. 



Prong-buck, 318. 



Protaster, 120; Sedgwickii, 121. 



Proteacece, 262, 308) 309. 



Proteus, 189. 



Protichniles, 87. 



Protocyntites, 82. 



Protornis Glarisiensis, 297. 



Protorosaurus, 201, 202 ; Speneri, 201. 



Protospongia, 81 ; fenestrata, 88. 

 ' Prototaxites, J18, 138; Logani, 139. 



Psammobia, 292. 



Psammodus, 188. 



Psaronius, 136, 164. 



Pseudocrinus bifasciatus, 106. 



Psilophyhm, 118, 137, 138 ; princeps, 138. 



Pteranodon, 247. 277; longiceps, 277. 



Pleraspw, 130, 152 ; Ban/csii, 130. 



Pterichthys, 152 ; cornutus, 153. 



Ptenncea, 128; subfalcata, 128. 



Pteroceras, 237, 271. 



Pterodactylus, 245, 277; crassirostris, 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. 



PUlodictya, 108, 125 ; acwto, 109;/aZci- 

 formis, 109 ; raripora, 126 ; Schafferi, 

 109. 



Ptychoceras, 273 ; Emericianum, 274. 



Ptychodus, 275. 



Pupa vetusta, 186. 



Purbeck Beds, 228; Mammals of, 254. 



Purpuroidea, 237. 



Pycnodua, 275. 



Pyrula, 293. 



Quadrumana, of the Eocene, 305 ; of the 

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

 of the Post-Pliocene, 361. 



Quadrupeds (e Mammalia). 



Quaternary period, 334. 



Quebec Group, 95, 96, 101. 



Quercus, 262. 



Rabbits, 322. 

 #<roa, 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, 314, 345, 354, 855. 



Remopleurides, 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. 



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

 Ehrenbergi, 198 ; Phillipsi, 146. 



Retiolites, 119. 



Retzia, 127. 



Rheetic Beds, 204-206. 



Rhamphorhyncltus, 247; Buclclandi, 248. 



Rhmoceridce, 315. 



Rhinocerot Etruscus, 327, 328, 336, 353; 

 leptorhinm, 328 ; megarhinug, 327-329, 

 336, 353 ; tichorhinus, 353, 354. 



Rhi-nopora 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, i35. 



Rhynchosaurus, 218 ; articeps, 218. 



Rice-shells, 293. 



Richmond Earth, 33, 307. 



Ringed Worms (see Annelida). 



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

 340, 341. 



Robulina, 311. 



Rocks, definition of, 14; divisions of, 

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

 mechanically-formed, 18-20; chemically- 

 formed, 20; organieally-fonned, 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, 336, 354. 



Rostellana, 237, 293. 



Rotalia, 22, 98, 171, 24; 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, 300. 



Sabre-toothed Tiger, 322, 331. 



Saccammina, 172. 



Saccosoma, 232. 



Salamanders, 189, 313. 



Salina Group, 117. 



Salix, 262 ; Meeki, 263. 



Salmonidcf, 276. 



Steo hirsuta, 85. 



Sassafras cretacea, 263. 



Sauropten/gia, 219. 



Scalar ia, 271, 293; Graenlandica, 338. 



Scaphites, 272, 273 ; aequalis, 274. 



.SV//>'ius, 198, 211. 



Schoharie Grit, 135, 137. 



Scolecoderma, 82. 



Scoliostoma, 213. 



Scolith us, 82 ; Canadensis, 83. 



Scon-ions of the Coal-measures, 181. 



Scorpion-shells, 271. 



