— gas, theory of the action of, in eudiometry, J. F. Dana, vii, 338.
— oxide, effects of, v, 194.
— —, condensation of, vii, 355.
— —, method of obtaining, R. Hare, xvi, 295, 297.f
—, —, properties and composition of, xvi, 298.
Nobili, L., new thermo-electric piles of, xxviii, 397.
— and Melloni, new experiments on heat, xxiii, 185.
Noggerath, on compression of air, xvii, 38.
Nomenclature of minerals, i, 45.
—, chemical, J. J. Berzelius on, xxii, 248;