— — of Wisconsin, and mode of working, J. T. Hodge, xliii, 41.f

[— ores,] observations on, iii, 176.

— —, price of, and of lead in Wisconsin, xliii, 72.

— — of the La Motte mine, Mo., not argentiferous, xliii, 64.

—, native carbonate of, Davidson Co., N. C., analysis of, xli, 183, 348.

—, — —, in Massachusetts, vi, 201; ix, 249.

—, — —, in Missouri, xii, 379.

—, — —, in Wythe Co., Va., xliii, 169.

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

—, — native cupreous sulphato-carbonate of, iv, 29.