— alum, at Milo, analysis of, xvi, 203; xxii, 387.

Sodium, preparation of, viii, 372.

—, a property of, xvii, 182.

—, price of, in 1825, ix, 387.

—, experiments on, J. T. Ducatel, xxv, 90.

—, chloride of, see [Salt.]

Soils, analysis of, remarks on, A. Eaton, xii, 370.

—, —, new mode of, S. L. Dana, xxxvi, 366.

—, —, in C. T. Jackson's geological report, xl, 189.

—, on the chemical examination of, xli, 262.