Waltershausen, W. S. von, letter on Etna, xlvii, 100.
Ward, M., alternating steam engine of, iv, 90.f
Ward, N., on fresh and salt water fountains, xviii, 379.
Ward, N. B., on the growth of plants in closely glazed cases, xxxiv, 11; xliii, 383.
Warder, M. A., reclamation of, relative to a species of trilobite, xxxvi, 187.
Ware, H., notice of an Aurora in 1789, xxxiv, 204.
Ware, N. A., note on drift wood, iii, 19.
Warm air, mode of heating apartments by, xxv, 290; xxxiv, 84.
— springs, see [Springs.]
Warren, J. C., on the Siamese twins, xvii, 212.f