—, —, —, of Texas, J. L. Riddell, xxxvii, 213.

—, sulphur, in New York, ii, 15; xv, 235; xxxvi, 9.

—, —, of New York state, L. C. Beck, xli, 162.

—, —, of Avon, analysis of, S. Salisbury, xxxv, 188.

—, —, near Massena, St. Lawrence Co., N. Y., xix, 226.

—, —, Buffalo, chemical examination of, xx, 156.

—, —, along the Hudson, allusion to, viii, 31.

—, —, Delaware Co., Ohio, xxxi, 73;

–analysis of, 74.

—, —, in Maryland, xxvii, 28.