Diallage allied to Augite, xx, 168.
—, in Connecticut, vi, 227.
Diamonds at Algiers, xxviii, 394.
—, pretended artificial, xvi, 394.
—, matrix of, D. Brewster, xxix, 366.
—, on the origin and the use of, xvii, 372.
—, remarkable, v, 175.
—, new structure in, D. Brewster, xxxiv, 37.
—, supposed locality in the United States, xxix, 394.
— mines of Russia, xix, 199.