Silk, on the manufacture of, in America, xviii, 382; xix, 175.
—, review of F. Pascalis on the culture of, xvii, 202; xviii, 278.
—, practical instruction concerning, xviii, 207, 278.
—, on the culture of, in India, xl, 39.
—, grown at Nottingham, England, xxxviii, 130.
Silk-worm, amount of silk from one, viii, 391.
—, new, xxxiii, 206.
Silliman, B., geological notices of New Haven and Litchfield Cos., Conn., ii, 201.
—, on prussic acid, ii, 81.
—, experiments with the gas blowpipe, ii, 282; iii, 89; vi, 349.