—, method of describing curves for arches, xxiv, 73.f

Thomson, J. B., Elements of Geometry, by, noticed, xlviii, 210.

Thomson, R. D., on action of emulsin on amygdalin, xxxv, 302.

—, British annual of, noticed, xxxvii, 400.

—, on Parietin, xlix, 195.

—, Records of Science, noticed, xxviii, 365; xxxii, 212.

Thomson, T., native diarseniate of lead, xxxv, 297.

—, on diabetic sugar, xxxv, 298.

—, on galactin, xxxv, 303.

—, on cast iron, xxxiv, 21.