—, supplement to meteorological observations for 1841 to 1844, xlix, 406.
Lund, fossil human bones found in South America, xliv, 277.
Lyell, C., on vertical lines of flint, xxxv, 305.
—, on the tertiary of Martha's Vineyard, xlvi, 318.
Maclure, W., liberal donations to science by, xxxvii, 399.
—, geological labors of, xliii, 231.
—, proceedings of the Academy of Natural Sciences of Philadelphia on the death of, xxxix, 212.
Macomber, D. O., account of a frozen well, xxxvi, 184.
Mansfield, J., obituary notice of, xviii, 208.
Mason, O., notice of rocking stones, x, 9.f