—, a paralytic affection cured by a stroke of lightning, iii, 100.

—, memoir of Eli Whitney, xxi, 201.f

—, Natural Philosophy of, noticed, xxiii, 351; xxv, 214; xxxiv, 219.

—, Introduction to Astronomy by, noticed, xxxvi, 203.

—, Life and Writings of E. P. Mason, by, noticed, xl, 407; xliii, 381.

Ontario valley, geological features of, xi, 213.f

— lake, level of, xxxiii, 122; xlv, 16.

— —, temperature of, xxxiii, 403; xxxvii, 242.

— —, ridge of, xxxvi, 40.

— —, evidences of changes of level about, xxxv, 104; xxxvi, 41; xlvi, 315.