—, in N. York state, J. B. Church, xxxvi, 175.
— a means of determining the depth of a sea, not effectual, C. Bonnycastle, xxxviii, 160.
[Eclipse,] solar, Feb. 12, 1831, xxii, 189.
—, —, in 1834, observation on, L. Brant, xxvii, 386.
—, —, of May, 1836, observations on, xl, 29.
—, —, of Sept., 1838, observations on, xxxviii, 158, 163, 172, 174; xl, 29.
—, —, —, observations on, D. Olmsted, xxxv, 174.
—, —, ibid, micrometric measures, E. P. Mason, xxxv, 176.
—, —, of July, 1842, xlii, 175; xliii, 401; xliv, 211.
—, —, —, observations suggested by, xlii, 395.