—, shown to be of furnace origin and identical with cadmia, vi, 180.
Andalusite, crystal from Westford, Mass., xlvi, 381.f
—, in Connecticut, vi, 176, 236.
—, in Massachusetts, x, 394; xlvi, 381.f
Andes, general features of, xvii, 47.
—, winds at the summit of, xxviii, 310.
— of Peru, character of, xviii, 182.
—, highest habitations in, xviii, 183.
—, height of the principal peaks of, xviii, 183.
—, Mexican, ascent of the summit of Popocatepetl, xxviii, 220.