—, — —, probable periods of showers, in October, June, January, February, July, September, xxxv, 366.

—, — —, April and November showers, cycle of, xl, 365.

—, — —, August showers, characteristics of, xxxiii, 359.

—, — —, nature, motions, numbers of, xxxiii, 360.

—, — —, theory of, xxxiii, 363; xxxv, 367.

—, — —, contributions towards a history of the showers, of former times, xl, 349; (errata) xlviii, 319.

—, — —, of April, 1095, 1122 and 1803, xxxvi, 358, 361.

—, — —, of June, various instances of showers in former times, xlii, 201.

—, — —, of January, 1825, 1838 and 1839, xxxix, 334.

—, — —, of August, 1837, xxxiii, 176; xxxiv, 180.