—, temperature of, see [Meteorology] and [Temperature].

—, during the coal period, H. D. Rogers, xlvii, 105.

—, of the planets, remarks on, xxv, 183.

Atmospheric air, on the dilatation of, V. Regnault, xliv, 63.

— pressure, see [Barometer].

— tides, ix, 195.

— dust, by C. S. Rafinesque, i, 397.

— —, reply to C. S. Rafinesque, ii, 134.

— currents, see [winds.]

Atomic weights of bodies, Dr. Thomson engaged in determining, iii, 396.