—, —, and silver, of Lake Superior, C. T. Jackson, xlix, 81.
—, —, in Missouri, iii, 71.
—, —, in the trap and amygdaloidal minerals of Nova Scotia, xv, 134; xxx, 350.
—, —, and ores of, in northern American, at the copper mountains, xvii, 8.
—, carbonate of, in Connecticut vi, 206.
—, —, in Massachusetts, i, 115; vi, 207.
—, —, in Michigan, xli, 185.
—, —, in Pennsylvania, i, 236; viii, 239.
—, crenate of, analysis, C. T. Jackson, xxxvii, 398.
—, oxides of, in Connecticut, vi, 206.