Trevelyan, W. C., on the temple of Pæstum, xxxvii, 366.
Treviranus, L. C., Physiology of Plants, noticed, xxxix, 181.
Triangles, expression of the sides of right-angled, by integral numbers, D. Wilkie, xxiv, 68.
Triarthrus, see [Trilobites.]
Trigonometer, Bolles's, ix, 401.f
[Trilobites,] remarks on, A. Eaton, xxii, 165.
—, notice of J. Green's monograph on, xxiii, 395.
—, some new, J. Green, xxv, 334.
—, structure of, &c., J. Green, xxiii, 396; xxxvii, 25; xxxviii, 410.
—, genus Paradoxides of Brongniart, and on the genus Triarthrus, J. Green, xxxiii, 341.