Index 



Fossils, Cambrian, 210. 

 Fossils, carbonaceous, 204. 



Carboniferous limestone, 185. 



Cretaceous, 81. 



Jurassic, 206. 



Ordovician, 210. 



Permian, 120. 



Pliocene, 78. 



Silurian, 152, 204. 



theories concerning, 7 et seq. 



Triassic, 206. 



Galena, discovery of, 195, 197, 



199. 



Gas, natural, 295. 

 Geikie, Sir A., 16. 

 Geologica, 73. 

 Geology, 3. 

 Geysers, 245. 

 Glacier action, 256. 



lake, a, 267. 



tables, 266. 

 Glauconite, 85. 

 Glaze produced by wind-blown sand, 



109, 112,114. 

 Globigerina, 115. 

 Gneiss, 27. 



Gold, discovery of, 217 et seg., 241, 

 289. 



mining of, 291. 

 Granite, 58, 59. 



mineral veins in, 283 et seq. 

 Graptolites, 204. 

 Gravels, gold-bearing, 237. 

 Greek natural religion, 5, 6. 

 Greensand, Lower, in. 



Upper, 85, 86. 

 Guettard, Jean Etienne, 11. 

 Gypsum, 116, 117. 



" Hermit Mine," the, 131-133. 

 Holaster subglobosus^ 8 1 . 

 Hooke, R., 9. 

 Hoplites lautuS) in. 

 Hoplites splendens, 1 1 1. 

 Hot springs, 245. 

 Hutton, James, 16, 66. 

 Hydrosphere, the, 40-56. 



Ice, action of, 256. 

 Ice-fall, an, 270. 



Igneous rocks, 57, 60, 61. 



Igneous rocks, mineral veins in, 280 



et seq. 

 Iron oxide, tests for, 114. 



Jupiter, 20, 21. 



Jurassic rocks, 68, 69, 206, 208. 



Keuper Marls, 117. 

 Sandstone, 117. 



Lake, formation of a, 99. 



Laplace, nebular hypothesis of, 21, 



22-24. . 



Lead ore, discovery of, 195, 199, 200. 

 Leibnitz, 10. 



Life, appearance on the earth, 28. 

 " Light-year," a, 19. 

 Lignite, 62. 

 Limestone, 62, 77, 79, 81. 



"clints" or wastes, 144, 145. 



saccharoid, 83. 

 Lithosphere, the, 57-72. 



Mammoth bones, discovery of, 201. 

 Marl, Keuper, 117. 



red, 1 1 6. 



Mesozoic era, 67, 68, 69. 

 Metamorphic rocks, 58. 

 Mica, 59. 



Millstone grit, 134, 139, 152, 154. 

 Mine, a deserted, 103. 

 Mineral veins, 279. 

 Miocene rocks, 68, 69. 

 Monograptus^ 204. 

 Monsoons, 36. 

 " Moulins," 272, 273. 

 Moulton, 22. 

 Mud-flats, the, 89, 90. 



Nebulae, 19. 



Nebular hypothesis, the, 21, 22. 

 Neptune, 20, 23, 24. 

 Neptunists, the, 16. 

 Newton's law, 53. 

 Nitrogen, 30. 



Ocean currents, 48. 



depths of, 40-45. 



temperature of, 45. 

 Oil, discovery of, 207, 295, 296. 

 Oligocene rocks, 68, 69. 



300 



