—, —, effect of tornado on trees, xxxix, 127.
—, —, views of, presented to the British Association, xl, 327.
—, —, —, notice of, A. D. Bache, xxxv, 280.
—, —, —, remarks on, J. Stevelly, xl, 329.
—, —, —, remarks on, F. Osler, xl, 330.
—, W. Gaylord, illustrations of a theory of water-spouts, tornadoes, &c., xl, 399.
—, C. Tracy, on the rotary character and action of, xlv, 65.f
—, W. Reid, on the laws of, xxxv, 276.f
—, —, gyratory character of, xxxv, 183, 277.f
—, —, force of, in accordance with the law of magnetic intensity, xxxv, 280.