—, manufacture of, xxi, 156.

—, a cheap mode of manufacturing, xxvi, 188.

—, decoloring action of, xvi, 393.

—, bitterness of some substances removed by, xxi, 374.

—, report on Dumont's prepared, xxiii, 346.f

—, animal, effect of, in preventing the putrefaction of stagnant water, x, 189.

—, —, action of, R. Warrington, xlix, 393.

—, fusion of, B. Silliman, v, 108, 361; vi, 341, 349, 378; viii, 147; x, 109, 119.

—, —, J. Griscom, v, 364.

—, —, R. Hare, viii, 288; x, 111, 118; xxxviii, 190.