— of July, 1832, J. J. Littrow, xxiv, 348.

—, discov'd Ap. 8, 1834, xxvi, 402.

—, Halley's, 1835, xxix, 155.

—, —, E. Loomis, xxx, 209.

—, —, remarkable phenomena of, xxxv, 285.

—, Encke's, remarks on, xxiv, 346; xxxiii, 15; xxxv, 388.

—, —, notice of, xxxvii, 191.

—, Dec., 1839, Galle's first, notice of, xxxviii, 378; xl, 207.

—, Jan., 1840, Galle's second, notice of, xl, 40, 207.

—, March, 1840, Galle's third, notice of, xl, 207.