Wray, J., biographical sketch of, xxxvi, 223.

Wright, B., on hydraulic limestone of New York, iii, 230.

Wright, E., a theory of fluxions, xiv, 330.f

—, on the different views respecting the theory of fluxions, xvi, 53.

—, application of the fluxional ratio, and the coincidence of the several orders of fluxions with the binomial theorem, xxiv, 298f; xxv, 93.f

—, mathematical paper on surveying, xxii, 74.f

Wright, R., meteorological observations in Columbia, 1820-1830, xxxvii, 1.

Wright, W. H., Treatise on mortars, noticed, xlix, 379.

Writing on a metallic surface, permanent after fusion, xxv, 197.