—, on the pressure of water at great depths, xiv, 194.

—, on the classification and characters of American rock formations, xvi, 254.

—, Atlantic coast, ancient oyster shell deposits of, xli, 168.

—, Report on Ornithichnites, xli, 165.

Vapor, effects of, on flame, i, 401.

—, force of, at different temperatures, xix, 182, 201.

—, law with reference to the relation between the elastic force of, and temperature, xxviii, 363.

—, new phenomena of, on placing a disk upon an orifice, xiii, 161.

— and heat, inquiries respecting, W. R. Johnson, xxi, 304.

—, of mercury, elastic force of, Avogadro, xxiv, 286.