Torrey, Joseph, proposed reform of orthography, xxxix, 197.
Tortoise, fossil, xvii, 290.
—, a new freshwater, R. Harlan, xxxi, 382.f
Totten, J. G., descriptions of some shells of the coast of New England, xxvi, 366f; xxviii, 347.f
Touchwood, xxi, 163.
[Tourmaline,] electricity of, xvi, 390; xviii, 301.
—, to detect boracic acid in, vi, 157.
—, analysis of, xiv, 384.
—, analyses of varieties of, xv, 389.
— in Canada, viii, 61.