442 



INDEX. 



Earthquake, submersion of a forest by 

 an, 28 ; evidence of subterranean fire 

 communications, 360; of 1811 and 

 1818, which shook the various parts 

 of the New Continent, 260. 



Eels, electric, 17 ; mode of capturing, 18; 

 experiments on, 113. 



Egypt, once overflowed by the sea, 264 ; 

 left uncovered by the retreat of the 

 Mediterranean, 264. 



El Dorado, th fable of, 159. 



Elater Noctil.icus, phosphorescence emit- 

 ted from the, 250. 



Elbow Lake, situation of, 40. 



Electric Fishes, 248. 



Electricity, operations and extent of, 19, 

 140. 



Elements, perpetual struggle of the, 387. 



Elias, Mount, an active volcano, 37. 



Elysian Plains, of the ancients, 111. 



Kncaramada, engravings on the rock of, 

 164. 



Engravings on the rocks of central 

 America, 147, 148; on the rocks of 

 Uruana and F.ucaramada, 164. 



Ephedra, the different species of, 328. 



Epicharmus, the philosopher of Syracuse, 

 his illustrations of vital force from the 

 painting of the "Rhodian Genius," 

 383-385. 



Equinoctial Current, observations on the, 

 175. 



Eratosthenes, geographical views of, 67. 



Ericaceae, 308, 310; the vegetable cover- 

 ing of the earth's surface, 110, 225. 

 See Heaths. 



Escalloniae, of the family of the Eriaceae, 

 geographical distribution of, 344. 



Esmeralda, town of, 176, 179. 



Esquimaux. See Indians. 



Kuglenes, the, 213. 



Euphorbiaceffi, 197. 245, 285. 



Euxine, primeval outburst of the waters 

 of, 262; originally an inland lake, 263; 

 forced the passage of the Dardanelles, 

 263; extract from Strabo, recording 

 the primeval convulsion of its waters 

 on the authority of Strato, 263. 



FAN PALMS of South America, 12, 13, 



13o,136. 

 Fair Weather, Mount, an active volcano, 



38. 

 Fern*, growth of, in different climates, 



108; one of the vegetable forms by 



which the aspect of Nature is princi 

 cipally determined, 229, 387-340; 

 numerical relation and geographical 

 distribution of, 280, 337 ; climatic re- 

 lations under which they flourish. 339, 

 340. 



Fish, the swimming-bladder of, 251. 



Flamingoes, multitudes of, 197. 



Floetz, strata of, 1. 



Flora Japonica, curious properties of the, 

 320. 



Forests of South America, 19, 98; plants 

 composing the, 280. 



primeval, on the nocturnal life of 



animals in the, 191 et seq.; between 

 the Orinoco and the Amazon, 193; de. 

 finition and description of, 193 ; the 

 Spanish word Monte applied both to a 

 forest and a mountain, 193; between 

 the plains of Venezuela and Pampas 

 of Buenos Ayres, immense extent of, 

 194; of Europe and Northern Asia, 

 194; impenetrability of some portions 

 of, 195 ; illustrative notes, 202. 



Fort George, situation and temperature 

 of, 104. 



Fossils, Marine, found on the Andes, 

 403, 428. 



" Fountain of Youth," fatal expedition to 

 discover the, 188. 



Fremont, Captain, geographical investi- 

 gations of, 29, 82 ; lofty peak called 

 after his name, 32, 33. 



Fresnillo, elevation of, 208. 



Frogs, vitality of, under water, 242. 



Fucus, immense size of the marine Ma. 

 crocystis pyrifera, 276; banks of the 

 ocean, 47-50. 



GALAPAGOS, the, 256. 



Gallinazos, different species of, 239 ; ap- 

 preciated for their utility, 240. 



Gallionellffi, 212. 



Gambia, the river, 3. 



Gebette River, 179. 



Geneva, situation and temperature of, 

 104. 



Geognostic (or Geological) profiles, 33. 



Gerard, Dr., his visit to Shahil Pass, 76. 



Gila River, delf and pottery found on 

 the banks of, 207. 



Globe, primeval, distribution of land and 

 water different from the present, 164. 



Glumacese, 95; numerical relation of 

 the, 279, 283, 284, 



