—, habits of, xxxii, 244.
—, uses, xxxii, 246.
Ozocerite, new mineral species, xxvi, 388.
Ozone, the cause of the electro-chemical odor, C. F. Schönbein, xli, 44.
—, nature and properties of, F. de Moleyns, xiii, 318.
—, notice of, xlix, 195.
P.
Pachuca silver mines, xxiv, 231.
Pacific, Caroline Islands, some account of, xxviii, 115.