—, October, 1840, the third of 1840, Bremicker's, xl, 207.

—, of October, 1842, discovered by M. Laugier, xliv, 211.

—, great, of 1843, xliv, 412; xlv, 188f, 229.

—, great, of 1843, elements of, S. C. Walker and E. O. Kendall, xlv, 188.f

—, second of 1843, xlv, 230.

—, third of 1843, xlvi, 210.

—, De Vico's, xlviii, 219,[6] 402.

—, —, first seen in the U. States by H. L. Smith, xlvii, 419.

—, southern, of December, 1844, observations on, xlviii, 402; xlix, 220.

—, D'Arrest's, Dec. 28, 1844, xlviii, 403.