Ammoniacal gas, inflammability of, vi, 185.
— salts, solvent and oxidating powers of, J. P. Emmet, xviii, 255.
Ammonites in Canada, viii, 84.
—, see farther [Zoology–Mollusca].
Amphide salts, on the existence of radicals of, R. Hare, xlv, 52, 247.
Amsterdam Canal, v, 181.
Amygdaline in bitter almonds, xix, 384.
Amygdaloid, origin of minerals of, xlix, 52.
—, of the Connecticut river valley, vi, 51.
—, of Salem, Mass., iii, 232.