Silicic acid, see [Silex.]
— ether, Ebelman, xlix, 192.
[Silicification of fossils,] proceeding from thermal springs in Florida, C. U. Shepard, xxv, 165.
— of wood, xxxiii, 108.
—, remarks on, J. D. Dana, xlviii, 88, 397; xlix, 227.
Silicified wood, see [Fossil.]
Silicon, how obtained, ix, 377.
—, a process for obtaining, R. Hare, xxii, 189; xxiv, 247f; xl, 28.
—, production of, from paracyanogen, S. M. Brown, xli, 208.
—, on the alleged conversion of carbon into, xlii, 193.