—, —, in Pennsylvania, i, 236; xiv, 18.

—, hydrate of, description and analysis of, iv, 245.

—, —, in New Jersey, i, 55; iv, 17; v, 267.

—, —, in Hoboken, i, 54; iv, 17; vii, 370.

—, —, from Shetland, vii, 365.

—, nitrate of, i, 133.

—, sulphate of, i, 133; ii, 375; xv, 241.

—, —, native in New York State, xv, 241.

— and soda, sulphate of, xlviii, 189.

Magnesian carbonate of lime, in N. York, analyses of, L. C. Beck, xlvi, 34.