—, — diarseniate of, T. Thomson, xxxv, 297.

—, — molybdate of, in Massachusetts, vi, 201.

—, — —, in New York, viii, 249.

—, — red and yellow oxide of, in Wythe Co., Va., xliii, 169.

—, — phosphate of, in Massachusetts, vi, 201.

—, — —, in North Carolina, xli, 183, 348.

—, — sulphato-carbonate of, iv, 29.

—, — sulphato-tri-carbonate of, iv, 29.

—, — sulphuret of, (Galena) crystals, distorted, from Rossie, xlvii, 417.

—, — —, argentiferous ore of Lane's mine, analysis of silver from, W. W. Mather, xxvii, 256.