—, foreign substances in iron, xxxv, 302.
—, First Principles of Chemistry of, noticed, x, 162.
—, on light and heat, xx, 93.
—, Chemistry of Organic Bodies, noticed, xxxvi, 202.
—, on the non-existence of zirconia in Sillimanite, xlviii, 219.
—, analysis of Sillimanite, xlix, 396.
—, analysis of anthophyllite, xix, 359.
—, scientific medals of, xviii, 198.
Thomsonite, in New Jersey, xl, 69; xliv, 54.
—, in Nova Scotia, xxx, 345.