— —, A. A. Hayes, xlvi, 163.

— pyromorphite, C. Kersten, xxii, 307.

— pyrophyllite, xviii, 392.

— pyroxene, Franklin Iron works, H. Seybert, v, 113; vii, 145.

— Rensselaerite, xl, 77.

— rhodium gold, of Mexico, xi, 298.

— sea water, near Brighton, xxxviii, 12.

— seleniuret of lead, xviii, 391.

— — — and mercury, xviii, 391.

— serpentine marble, Vt., C. T. Jackson, xxxviii, 198.