Tannin, memoir on, J. Pelouze, xxviii, 124.
Tanning, application of chestnut wood in, W. Sheldon, i, 312.
—, new process of, i, 439; xxxv, 303.
Tantalite, see [Columbite.]
Tapestries of Raphael, revival of their colors, xxxvii, 244.
Tapir, fossil, at Darmstadt, xxvi, 218.
Tappan, B., on the boulders of primitive rocks found in Ohio, xiv, 291.
—, on the cannel coal of Ohio, xviii, 376.
—, description of some new shells, xxxv, 268.f
Tar, used to afford light, i, 92.