—, on singular crystals of galena from Rossie, N. Y., xlvii, 417.
—, on the blowpipe characters of pyrrhite, xlvii, 418.
—, on the palatal tooth of the Ptychodus polygyrus, xxxvi, 380.
—, remarks on the origin of guano, xlvi, 203.
—, on the identity of Lincolnite and Heulandite, xlviii, 65.
Test for alkalies, flowers of the common mallows, a good, vii, 194.
— liquor, the blue iris affords a good, v, 408.
— paper of purple cabbage, xxvi, 210.
Tests for arsenic, see [Arsenic.]
Testacea, economical notice of some species of, xxxii, 53, 235.