Schistose structure a result of crystallization, J. D. Dana, xlv, 105.

— — in some volcanic rocks, J. D. Dana, xlv, 105.

Schlechtendal, D. F. L. von, Linnæa of, noticed, xxxix, 178; xl, 392.

Schley, G., on steam as a conductor of electricity, xxvi, 206.

Schlossberger, F., on the composition of fungi, xlix, 393.

Schlotheim, E. F. von, notice of, xxxvii, 128.

Schmidt, G., notice of, iii, 79.

Schnederman, on a salt of platinum, xliv, 274.

Schoharie, mineralogy of, xxviii, 172f; 381.

Schönbein, C. F., on ozone, xlix, 195.