INDEX. 



ACA 



ACAPULCO, Humboldt at, i. 326. 

 D etermi n ation of the position of , 3 2 8 



Achupalla (Pourretia pitcarnia), a tree 

 used as food, i. 303 



Actopan, columnar porphyry of, i. 330 . 



Adelaide, Madame, her elegance and 

 taste, ii. 168. King Louis-Philippe 

 devoted to her, 168 



Adelung, his friendship with W. von 

 Humboldt, i. 215 



Adolphus Frederick, Duke of Sussex, at 

 the University of Gottingen, i. 70. 

 Humboldt' s letter to, ii. 197, 201 



Agassiz, Humboldt's kindness to, ii. 

 179, 180 



Aguya, Point, determination of the po- 

 sition of, i. 325 



Aix-la-ChapeUe, Congress of, i. 370 ; ii. 

 69 



Albinus, Herr, in Berlin, i. 52. His 

 friendship with the Humboldts, 52 



Albrecht, unable to avail himself of his 

 recall, ii. 272 



Aldas, Felipe, accompanies A. von 

 Humboldt in Quito, i. 307. His ac- 

 cident, 308 



Alexis, his works, ii. 83 



Algiers, importance attached to, and 

 its baneful influence on the military 

 of France, ii. 168 



Almirante, El, latitude and longitude 

 of, i. 291 



Almond tree (Caryocus amygdaliferus) 

 of South America, i. 298 



Alopagiwsk, i. 378 



Altai Mountains, i. 378 ; ii. 379 



Altar, Nevado del, eruption of, i. 321 



Altcnstein, Minister of Public Instruc- 

 tion, his dilatoriness, ii. 102 



Amazon river, La Condamine at, i. 254. 

 "Wanderings of Eequena to the valley 

 of the, 255. Banks of, 323. Hum- 

 boldt's visit to the, 323 



VOL. II. E E 



ARA 



America, extent of the Spanish colonies 

 in, i. 247. Travels in, 254. Treat- 

 ment of the English astronomers in 

 California, 255. Publication of Hum- 

 boldt's Works on, ii. 17-19 



Amethyst, Imperial Eussian labora- 

 tories for cutting the, i. 378 



Ancillon, his enmity to Humboldt, 

 ii. 102. His superficial knowledge, 

 102. Humboldt's treatment of, 104 



Andalusia, New, small volcanoes of. i. 

 271 



Andes, travelling in the, i. 312. Con- 

 dors in the, 314. Crossed for the 

 foxirth time by A. von Humboldt, 325. 

 Humboldt's remarks upon the, ii. 

 379 



Angostura, Humboldt at, i. 276, 286 



Angosturse Cortex (bark), i. 284 



Anna Amelia, Duchess, entrusts Wie- 

 land with the education of her two 

 sons, i. 160 



Anna, Santa, Humboldt's visit to the 

 mine of, i. 298 Visit to Bonpland 

 at, 409-412 



Anspach-Bayreuth annexed to Prussia, 

 i. 133 



Anthropology, Steffens' lectures on, at 

 Berlin, ii. 109 



Antisana, volcano of, i. 306, 311 



Apponi, Countess, ii. 169 



Apure river, i. 275 



Arab races, influence exercised by them 

 upon civilisation, ii. 115. 



Arago, Francois, account of him, ii. 28. 

 Humboldt's friendship and corre- 

 spondence with him, i. 343 ; ii. 2&. 

 Prospect of a visit from Humboldt 

 to, 70. His letter to Humboldt from 

 Metz, 117. His part in the Eepublic 

 of 1848, 173. His lectures on astro- 

 nomy, 179. His acceptance of the 

 Order of Merit, 286. Humboldt's 



