—, —, of various minerals, Breithaupt, xxxi, 268.
—, varying in its action, leading to errors in determinations of the earth's figure, xv, 172.
Gray, A., botanical excursions to the mountains of N. Carolina, xlii, 1.
—, notices of European herbaria, especially those interesting to American botanists, xl, 1.
—, selections from the correspondence of Cadwallader Colden, xliv, 85.
—, synonymy of several North American plants of the Orchis tribe, xxxviii, 306.
—, remarks on vegetable fecundation, xxxi, 308.
Grease of wines, xxii, 192.
Greece, modern and ancient, notices of, S. G. Howe, xviii, 250.
—, remarks on the antiquities of, and the efforts to preserve, xxxvi, 192.