— —, Turner's opinions respecting, xxviii, 70.

— —, observations on, Prout's hypothesis of, J. J. Berzelius, xlviii, 369.

— —, not multiples of that of hydrogen, xlvii, 187.

— — of lead, sulphur, nitrogen and carbon, Clark, xxxviii, 119.

— — of hydrogen, chlorine, potassium, calcium, glucinum, silver, uranium, cerium and lanthanum, xlvii, 188.

— — of elements, Marchand and Erdmann,

–oxygen, hydrogen, carbon, nitrogen, calcium, chlorine, silver, lead, xliv, 215;

of copper, mercury and sulphur, xlviii, 402.

— theory, account of, by J. Finch, xiv, 24.

Atom, idea of, J. D. Whelpley, xlviii, 352.