— —, containing rhodium, from Mexico, xi, 298.

— grains, cereal, C. T. Jackson, and A. A. Hayes, xlv, 339.

— guano, J. E. Teschemacher, xlviii, 181.

— —, Girardin and Bidard, xlviii, 181.

— —, W. Francis, xlviii, 182.

— —, J. D. Smith, xlviii, 183.

— —, xlix, 200, 391.

— Haydenite, B. Silliman, Jr., xlvi, 380.

— heavy Spar, G. T. Bowen, iv, 325.

— heterosite, xix, 371.