Lagrange, J. L., works and life of, notice of, xxx, 64; xxxi, 97.
— formulæ for determining the motions of any systems of bodies about a state of equilibrium, correction of an error in, H. J. A., xi, 398.
Lakes, North American, origin of, J. B. Gibson, xxix, 208.
—, — —, action of, H. Schoolcraft, xliv, 368;
–drift sand deposits, 369.
—, — —, raised beaches of, C. Lyell, xlvi, 314.
—, — —, on the changes of level, H. A. S. Dearborn, xvi, 78.f
—, — —, dimensions of, xlvii, 21.
—, — —, influence of, on climate, xlvii, 21.
—, — —, remarks on the supposed tides of, H. Whiting, xx, 205.