— —, — — of the summer of 1825, various observations upon, x, 296, 297.

— —, mean, of the state of New York, in 1832, xxv, 259.

— —, —, ibid, xlix, 179.

— —, mean, of Albany, N. Y., xxv, 260.

— of the United States, extreme cold at Plattsburgh, N.Y., (1821) iii, 366; (1826) xi, 195.

— —, subterranean, in the mines of eastern Virginia, W. B. Rogers, xliii, 176.

— —, of the year 1839, as deduced from observations at Amherst College, E. S. Snell, xxxix, 36.f

— —, mean, at Salem, Massachusetts, and Rome, in Italy, for thirty-three years ending in 1818, vi, 386.

— —, —, at Marietta, Ohio, see [S. P. Hildreth's] meteorological registers.

— —, extreme heat, at Cumberland, Md., July, 1838, xxxv, 190.