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.