—, influence of, on the weather, F. Marcel, xxvii, 192.
—, heat in rays of, ii, 329; xl, 315.
—, singular appearance of, xxii, 375.
—, halo, West Point, xx, 299.
Moon's mean motion, secular acceleration of, J. H. Coffin, xlvii, 324.f
Moore, N. F., ancient mineralogy, notice of, xxviii, 188.
Morbid animal products, chemical examination of, J. F. Dana, iv, 149.
Mordecai, A., experiments on gunpowder, xlix, 180.
Morey, S., on artificial mineral waters, iii, 94.
—, on heat and light, ii, 118, 122.