St. Michael, geological structure of, iv, 251.
St. Lawrence Co., N. Y., minerals of, xix, 220; xxv, 346.
—, geology of the valley of, C. Lyell, xlvii 314.
St. Petersburgh Academy, xxii, 203.
St. John's river, xxxv, 48.
Stachys aspera, iv, 65.
Staining of wood, iii, 166.
Stalactites, artificial, in a brewery, Indiana, J. T. Plummer, xliv, 307.
—, in New York, xxv, 347.