Sand pipes in chalk, cause of, C. Lyell, xxxviii, 122.
Sandstone, recent, on northern coast of Cornwall, J. A. Paris, i, 234.
—, new red, some account of, in United States, xli, 244.
—, — —, of United States, dip due to oblique deposition, H. D. Rogers, xliii, 170.f
—, new red, of Connecticut, cause of inclined position, B. Silliman, xlvii, 107.
—, — —, of the Connecticut river, vi, 39.f
—, — —, fossil remains, including bones, in, ii, 146; vi, 43.
—, — —, junction with greenstone, vi, 47.
—, or freestone of the Sugar Loaf Mountain, Maryland, xxvii, 21.
— and breccia of the Capitol at Washington, i, 215, 216.