402 



INDEX. 



Mayhill Sandstone, 60. 

 Medina Sandstone, 60. 

 Megalosaurus, 203. 

 Menevian Formation, 38. 

 Mesozoic Ages, 188 ; subdivisions of, 



189 ; Flora of, 199 ; Coal of, 201 ; 



Crustaceans of the, 225 ; Eeptiles 



of the, 201, 212. 

 Metalliferous Eocks, 167. 

 Metamorphism, 21. 

 Microlestes, 208. 

 Milioline Limestones, 243. 

 Miller on Old Bed Sandstone, 86. 

 Millipedes, Fossil, 136. 

 Miocene Plants, 260 ; Climate, 



264 ; Mammals of, 250. 

 Mississippi, Delta of the, 296. 

 Modern Period, 283. 

 Mosasaurus, 206. 

 Morse on Lingula, 39. 

 Murchison on the Silurian, 56. 



Nebular Theory, 7. 

 Neolithic Age, 284. 

 Neozoic Ages, 236; divisions of, 



239. 



Newberry on Dinichthys, 99. 

 Nicholson on G-raptolites, 72, 

 Nummulitic Limestones, 241. 



Oldhamia, 45. 

 Old Bed Sandstone, 86. 

 Oneida Conglomerate. 69. 

 Orthoceratites, 69, 154. 

 Oscillations of Continents, 179. 

 Owen on Dinosaurs, 202 ; on Mar- 

 supials, 209. 



Palaeolithic Age, 284, 289. 

 Palceophis, 245. 



Palaeozoic Life, 181; diagram of, 186. 

 Paley on Design in Nature ; his 



illustration of the watch, 349. 

 Peat of Abbeville, 294. 

 Pengelly on Kent's Hole, 304. 

 Pentremites, 153. 

 Periods, Geological, 195, 175. 

 Permian Age, 160 ; Geography of 



the, 163 ; Ice-action in the, 168 ; 



Plants of the, 172; Eeptiles of 



the, 172. 

 Phillips on Dawn of Lut>, 30; on 



Ceteosaurus, 204. 



Pictet on Post-pliocene Mammals, 

 256 ; on Post-glacial Animals, 

 357. 



Pictures of Primeval Man, 376. 



Pierce on Diminution of Earth's 

 Eotation, 165. 



Pines of the Devonian, 105 ; of the 

 Carboniferous, 131 ; of the Per- 

 mian, 173. 



Placoid Fishes, 96. 



Plants of the Laurentlan, 32 ; of the 

 Silurian, 76 ; of the Devonian, 

 102 ; of the Carboniferous, 124 ; 

 of the Permiaki, 172; of the 

 Mesozoic, 199 ; of the Tertiary 

 258 ; classification of, 122. 



Plateaus, Continental, 57. 



Plesiosaurus, 215. 



Pliocene, Climate of, 266; Mam- 

 mals of, 256. 



Pliosaurus, 215. 



Pluvial Period, 287. 



Post-glacial Age, 283, 292. 



Post-pliocene Period, 274 ; cold, 

 278; Ice-action in the, 270; 

 Subsidence, 279 ; Elevation, 284; 

 Shells, evidence of, against Deri- 

 vation, 358 ; Mammals, evidence 

 of, against Derivation, 357. 



Potsdam Sandstone, 38. 



Prestwich on St. Acheul, 294. 



Primordial Age, 36 ; Crustacean 

 of the, 42. 



Protichnites, 45. 



Protorosaurus, 172. 



Prototaxites, 76. 



Psilophyton, 76, 103. 



Pteraspis, 76. 



Pterichthys, 98. 



Pterodactyls, 206. 



Pterygotus, 93. 



Pupa vetusta, 139. 



Quebec Group, 60. 



Eain-marks, 47. 



Eamsay on Permian, 168. 



Eed Sandstones, their Origin, 110, 

 166. 



Eeptiles of the Carboniferous, 143 ; 

 of the Permian, 172 ; of the Me- 

 sozoic, 201, 212. 



