—, statue of, at Montbeliard, xxx, 184.

Cuyahoga, falls of, xxxi, 45.f

Cyanhydric acid (or prussic,) Magendie on, ii, 81.

— —, memoir on, by B. L. Oliver, iii, 182.

— —, —, by M. Orfila, xviii, 157.

— —, apparatus for the evolution of, R. Hare, xxix, 244.f

— —, extraordinary production of, A. A. Hayes, xviii, 201.

— —, preservation of, xvi, 260.

— —, effect of muriatic and sulphuric acids on, xviii, 146.

— —, cases in which administered, iii, 187.