439 



A hires, cataracts of the, 153 et teg.', 



general account of, 162 et seq. 

 , the hrave Indian tribe, melancholy 



legend of, 172; verses on the parrot of, 



189. 

 Australia, Acacias, Myrtacese, and Ca- 



suarinae, the principal vegetable forms 



of, 313. 



Auvergne, plateau of, its elevation, 68. 

 Avars, early migration of the, 5. 

 Avenaceee, 128. 



Axum, plateau of, its elevation, 58. 

 Azteks, ruins of the fortress of the, 127 ; 



seat of the, 207 ; relics of civilization 



found, 207 ; pyramidal buildings of 



the, 398. 



BADGER, hybernation of the, 244. 



Balboa, Vasco de, his adventurous expe- 

 dition over the South American Con- 

 tinent, 418,432. 



Balch Pass, elevation of the, 79. 



Bambusacea?, one of the most beautiful 

 ornaments of tropical climates, 334, 

 335. 



Bananas, 221; one of the plants by 

 which the aspect of Nature is princi- 

 pally determined, 224, 227 ; cultivated 

 from the earliest infancy of civiliza- 

 tion, 305. 



Banisterias,173. 



" Banks," of steppes, probably the marine 

 shoals of the primeval world, 1, 26; 

 phenomena of, explained, 27; coin- 

 posed of floetz strata, 28: immense 

 tracts of, in the deserts of Africa and 

 Asia, 28. 



Banyan-tree, colossal size of, 275. 



Baobab, colossal dimensions of the, 271, 

 272. 



Baraguan, narrow pass of, 1 62. 



Barjikang Pass, elevation and vegetation 

 of the, 78. 



Basalt, formation of, 218. 



Bats of the South American steppes, 15. 



Bavaria, plateau of, its elevation, 58. 



" Bay of Sadness," 155. 



Bear, hybernation of the, 224. 



Bees, discovered at the summit of the 

 Rocky Mountains. 33. 



Befaria, the purple-flowering, 23. 



Beke, on the Mountains of the Moon, 

 115, 116. 



Bengal, bay of, an arrested effort of 

 Nature to form an inland sea, 254. 



Bertholletiaexceka, colowalsize of, 168, 



179. 



Bignonia, 173. 



Binimi, fatal expedition to, 188. 

 Birds, hybernation of, 242; the ratio of 



their numerical distribution, 288. 

 Bison, of North America, 40-42. 

 Bixa Orellana, pigment of, 171. 

 Black Sea. See Enxine. 

 Boa-constrictor of the Orinoco, 20, 142, 



periodic torpidity of, 243. 

 Bolivia, geographical observations on, 



204, 205. 



Bolson de Massimi, el, elevation of, 208. 

 Bombaceee, one of the vegetable ibrms 



by which the aspect of Nature is prin 



cipally determined, 224. 

 Botany. See Plants and Vegetation. 

 Bougainvillaea, new and beautiful species 



of, 400, 401. 

 Brahmins, geographical notions of the. 



67. 



Branco River, 178, 181, 182, 183, 184. 

 Buenos Ayres, situation and temperature 



of, 109. 

 Buffalo, of South America, 11, 125, 126; 



of the Mississippi, 40-42. 

 Butterflies, on the summit of Mont 



Blanc and on the Chimborazo, 232, 



233. 



CACAO, Montes de, 194-202. 



Cactus, the, 15, 138; one of the vegetable 

 forms by which the aspect of Nature is 

 principally determined, 225; indige- 

 nous to America, 310; its natural his- 

 tory, 311, 312. 



Caladium, belongs exclusively to tropi- 

 cal climates, 329. 



California, mountain coast-range of, 36, 

 37; volcanos still active in, 37; its 

 golden treasures, and the advantages of 

 the discovery, 433. 



Cameji, on the Orinoco, 163; mouth of 

 the, 166. 



Camel, " the ship of the desert," 3, 51; 

 great utility of the, 51 ; natural hutory 

 of the, 52, 53. 



Camosi, rock of, 165. 



Canada, monument discovered in the 

 prairies of, 82. 



Canar, fortress cf, 3S4, 424. 



Canaries, inhabited by the Spanish ra-;e, 

 191. 



Carouac, the food of the Indians, 14 



2s J 



