—, —, — springs, bromine in, xviii, 142.
—, —, —, remarks on, with analyses, J. F. Dana and J. Steel, xxxvi, 8.
—, —, in Pennsylvania, Bedford, xix, 97, 204.
—, —, —, Pittsburgh, analysis of, W. Meade, xiv, 124.
—, —, in Tennessee, i, 66.
—, —, in Texas, J. L. Riddell, xxxvii, 214.
—, in Scott, Scott Co., Va., analysis of, C. B. Hayden, xliv, 409.
—, naphtha, in Old Assyria, xxxvii, 353.
—, in Persia, xxxvii, 354.
—, nitrogen, locality of, at Hoosick, viii, 31; xv, 234.