324 



INDEX. 



Climatic character of the future land 



masses, 314. 

 Coal, ancient and recent use of, 156. 



COAL AND COAL-FORMATIONS, 143-158. 



Coal, chemical composition of, 153. 



Coal family, arrangement of, 145, 153. 



Coal, its applications and importance, 

 178. 



Coal, nature and formation of, 150, 151. 



Coal-fields of America, &c., 175. 



Coal-fields of Britain, their value and 

 accessibility, 185. 



Coal-fields of Britain, probable dura- 

 tion of, 174. 



Coal-measures, flora of, 167. 



Coal-measures, their economic value, 

 173. 



Coals of the oolitic system, 148, 149. 



Coals of the secondary systems, 148. 



Coccosteus, fish of the old red sand- 

 stone, 138. 



Colossochelys, fossil turtle of India. 

 208. 



Cones, volcanic, varieties of, 52. 

 V Conglomerates, formation of, 71, 72. 



Continents, position of the future, 312. 



Coral-growths, geological results of, 44. 

 ->XDoral-reefs, their nature and formation, 

 264. 



Crannoges of Ireland and Scotland, 

 254. 



Craters, central and lateral, 52. 



Creational progression, law of, 307. 



Cretaceous or chalk system, 189. 



Crevasses in glaciers, 221. 



Crust motions, nature and ope'rations 

 of, 57. 



Crust of the globe, meaning of, 18, 



CRUST, THE, WE DWELL UPON, 17-34. 



Crustacea of the old red sandstone, 136. 



Crustacean tracks on old red sandstone 

 strata, 132. 



Currents, oceanic, geological effects of, 

 41. 



Cuvier's law of co-relation of parts, 115. 



Cycads of secondary formations, 197. 



Dayman's (Captain) soundings of the 



Atlantic, 259. 

 Deductions from study of the earth's 



crust, 30. 

 Denudation, effects of, on mountain 



ranges, 54. 

 Development, law of, relating to man. 



290. 



Development, vital, theories of, 302. 

 Developmental progression, idea of, 



how originating, 301. 

 Devonian, nature and limits of its 



strata, 135. 

 Diatomaceous accumulations, extent 



of, 266. 



Diluvium or diluvial drift, 239. 

 Dinornis, extinction of, in New Zea- 

 land, 271. 

 Dinosaurus, huge secondary reptile,195. 



Diplacanthus, spiny fish of old red 

 sandstone, 138. 



Diprotodon, tertiary marsupial of Aus- 

 tralia, 208. 



Dirt-bed or fossil soil of Portland, 197. 



Distribution of land and water in the 

 future, 311. 



Dodo, extinction of, in Mauritius, 271. 



Dressings.glacial, on rock surfaces, 235. 



Drifts from river action, 252. 



Dura Den, its fossil fish-beds, 137. 



Earth-crust, deductions from its study, 



Earth's crust, composition of, 21. 

 Earth's crust, how sustained, 48. 

 Earthquakes, nature and operations 



of, 53. 



Earthquake-waves, nature of, 56. 

 Eocene tertiaries, definition of, 203. 

 Eozoic formations, definition of, 26, 



29. 



Eozoon Canadense, animal nature of, 89. 

 Erratic block-group of glacial epoch, 



Estuarine formations of current era, 

 255. 



Estuarine formations, their composi- 

 tion, 257. 



Eurypterus, crustacean of the old red, 

 136. 



Falconer, Dr, on antiquity of man, 287. 

 Fauna of the carboniferous era, 168. 

 Fens of Lincolnshire, 258. 

 Ferns of carboniferous era, 167. 

 Fishes of the old red sandstone, 137. 

 Fire-clays, their value and applications, 



183. 

 Flint implements of Abbeville, &c , 



284. 



Flora of the carboniferous era, 167. 

 Fluviatile accumulations of current 



era, 251. 

 Fluvio-marine formations of current 



era, 255. 

 Footprints, fossil, of triassic system, 



195. 

 Footprints, fossil, of old red sandstone, 



136. 



Foraminifera, their nature and opera- 

 tions, 44. 

 Foraminiferal deposits of current era, 



259, 266. 

 Forbes, Principal, on glacier motion, 



221. 

 Forests, submarine, of British coasts, 



247. 



Formation, definition of, in geology, 23. 

 Fossil, definition of the term, 111. 

 Fossil remains, how imbedded, 113. 

 Fossils, modes in which they occur 



(note), 127. 



FOSSILS, THEIR NATURE AND ARRANGE- 

 MENT, 111-128. 



Fossils, the medals of creation, 115. 



