—, —, in mines, R. W. Fox, xxxiv, 46.
—, effect of, on magnetism, C. Matteucci, xxii, 361.
—, — of long continued, on minerals, experiment to determine, W. V. Harcourt, xxix, 357.
—, — of, on some minerals or rocks in New York, L. C. Beck, xlv, 143; xlvi, 333.
—, moon's, xl, 315.
—, Nobili and Melloni's experiments on, xxiii, 185; xl, 313.
—, polarization of, xxviii, 366, 397.
—, polarized, and on his claims to the discovery of, J. D. Forbes, xl, 317.
—, production of, and of light, J. L. Sullivan, i, 91.
—, —, from combustion, x, 382.