—, —, — —, H. A. S. Dearborn, xvi, 78.f

—, —, — —, D. Ruggles, xlv, 18.

—, —, in Lake Superior, H. R. Schoolcraft, xx, 213.

Tilgate forest, birds in the strata of, xxix, 362.

Timber, growth of, A. C. Twining, xxiv, 391.

—, seasoning of, xii, 163.

—, proper season for cutting, xxxiv, 169.

—, rotting of, in certain situations, xxxii, 380.

—, preserved by pyrolignite of iron, xl, 213.

Tin, purity of, xv, 178.