— in the Connecticut valley sandstone, J. Deane, xlix, 213.
— in the Potsdam sandstone, E. Emmons, xlv, 316.
Rainbow, different brilliancy of the primary and secondary, xxi, 379.
—, supernumerary, A. C. Twining, xxxii, 227.
—, accompanied with five supplementary bows, D. Brewster, xl, 344.
—, an acoustic, xxi, 381.
Rainey, P., on the dry-rot, xxxiv, 169.
Raining trees, notice of, xv, 170.
Rains, G. W., on the generation of statical electricity by the electrical machine, xlix, 93.f
Raleigh's tyfoon of 1835, xxxv, 210; xxxvi, 59.