—, reduction of iron and silver ores, and on some Mexican and S. American silver mines, xxiv, 213.
—, silver of Lane's mine, Connecticut, xxvii, 256.
—, crystallized tin from solution, xxvii, 254.
—, non-conducting power of water, in relation to heat, xiii, 368.f
—, instrument for measuring the expansion of solids, xxx, 324.f
—, on the possible variation of the length of the day, xlvi, 344.
—, a geological section through a part of Connecticut from Killingly to Haddam, xxi, 94.f
—, geology of the Highlands of New York, xxi, 97.
—, geological survey of Ohio, xxxiv, 196, 347; xl, 126.
—, physical geology of the U. States, east of the Rocky Mountains, xlix, 1, 284.