Metals are a merchandize purchased at the price of labour and
an advance of capital; thus forming in the countries where they are
produced a portion of commercial wealth; while their extraction gives
an impetus to industry in the most barren and mountainous districts.
INDEX.
Acephali.
Action:
electric, similarity of, in the electric eel and the voltaic battery.
volcanic, centre of.
connexion of.
Acosta, travels of.
Adansonia, or baobab of, Senegal.
Acuvajos, country of the.
Aerolites.
Africa:
travels in.
deserts of.
Aguas Calientes:
ravine of.
river of.
Agriculture:
tropical.
early practice of.
influence of on individuals.
mean temperature required for the success of.
geology applied to.
in the island of Cuba.
zone of, in Spanish America.
Aguatire, the.
Ajuntas.
Alcaldes, or Indian magistrates.
Alegranza, island of.
Algodonal:
crocodiles of.
Aloe, see Maguey.
Alligators.
Almond-trees.
Alphabet, application of the, in Indian languages.
Alta Vista:
plain of.
natural ice-house of.
Gracia.
Alum:
European.
mines.
Amalivaca.
Amasonia, arborea.
Amazon river:
falls of the.
valley of the.
navigation of.
tributary streams of.
bridges over the.
course of the.
basin of the.
plains of the.
stones.
locality of.
Amazons, traditions of the.
Amygdaloide.
America:
discovery of.
rapidity of vegetation in.
Savannahs of.
geological structure of.
early colonists of.
traditons of.
ancient name of.
supposed identity of, with Asia.
east of the Andes.
English.
population of.
Portuguese.
population of.
South.
plants of.
forests of.
missions of.
natives of.
waters of.
pampas of.
geography of.
geognostic description of.
configuration of.
mountains of.
extent of.
plains of Ibib, boundaries of.
