Sea and land, relative level of, as regards the tides, xxxi, 335.
—, waves, currents and tides, v, 131.
—, —, —, see farther under [Ocean.]
—, depth of, v, 130.
—, —, not determinable by the echo, C. Bonnycastle, xxxviii, 161.
—, deep soundings in, by the French ship Venus, xl, 407.
—, encroachments of, near New York, xxxvi, 16.
—, action of, xxi, 21.
— and land breezes, causes of, W. C. Redfield, xxxiii, 65.
—, remarkable agitations of, at the Sandwich Islands, T. C. B. Rooke, xxxvii, 358.