— —, on a new process for, practiced in Germany, T. G. Clemson, xx, 347.f

— —, new process for, Provostaye, xl, 214.

— —, action of, on alcohol, xvi, 267.

— —, —, on oil of sassafras, R. Hare, xxxi, 285.

— —, crystallization of, vi, 186.

— —, crystallized hydrates of, xx, 384.

— —, decomposed and not evaporated, on an incandescent metal, xxii, 365.

— —, manufacture of, at Glasgow, x, 360; xli, 48.

— —, tension of, xlvii, 191.

— — and sulphate of iron, remarks on, xii, 387.