Press, botanical, J. Locke, xxx, 54.f
—, printing, see [Printing.]
Pressure in the ocean at great depths, see [Ocean.]
—, atmospheric, see [Barometrical.]
— on the human body, variations of, and apparatus for withdrawing, xxxiv, 30.
—, effect of instantaneous, as compared with accumulative, C. Bonnycastle, xl, 32.
Price of labor and subsistence in some parts of Europe, xxxvi, 176.
Priestley, J. philosophical character of, W. Henry, xxiv, 28.
—, discoveries by, xxiv, 30.
Primula farinosa, iv, 59.