Excavations of basins or pot-holes by water, in the Green Mts., Vt., vi, 252.
Exhilarating gas, effects of, in two cases, v, 194.
Exley, T., specific gravities of nitrogen, oxygen, chlorine, vapors of carbon, sulphur, arsenic, phosphorus, xxxv, 298.
Exogenites, vii, 179.
Exogyra, see [Zoology, Mollusca.]
Expansion of solid bodies, instrument for, W. W. Mather, xxx, 324.f
[Expedition,] exploring, under L. Cass, ii, 178.
—, —, U. States, under Lieut. Wilkes, U. S. N., officers of, xxxv, 192.
—, —, —, progress of, xxxvi, 195; xxxvii, 189, 398; xxxviii, 387; xxxix, 193.
—, —, —, discoveries of, in the Antarctic regions, xl, 394; xlix, 150.