—, on Pickeringite, xlvi, 360.
—, on borate of lime, xlvi, 377f; xlvii, 215.
—, analysis of red oxide of zinc, xlviii, 260.
—, analysis of Glauberite, xlvii, 338.
Heights, see farther under [Mountains, p. 172.]
Henry, J., on a large electro-magnet, xx, 201.
—, on the lateral discharge of electricity, xxxiv, 16f; xxxviii, 154.
—, on galvanic induction, xxxviii, 170, 404.
—, on capillary action, xxxviii, 180.
—, heat of solar spots, xlix, 405.