Prussia, population of, ix, 184.

—, universities of, xx, 388.

Prussian travellers, vii, 195.

Prussiate of potash, red, deoxidation of, C. F. Schönbein, xlix, 203.

— —, manufacture of, at Glasgow, T. Thomson, xli, 49.

[Prussian blue,] new mode of preparing, viii, 380.

— —, researches into the manufacture of, xv, 178.

— —, formation and nature of, xviii, 332.

— —, manufacture of, at Glasgow, xli, 50.

[Prussic acid,] F. Magendie on, ii, 81.