–disputed title, 315;

scenery and surface, 316;

people, forts, battle ground, 317.

Pentremites, see [Zoology, Radiata.]

Pepper, analysis of, iv, 390.

Pepys, W. H., electro-magnetic apparatus, vii, 195.

Perca nobilis, dissection of the eye of, xxvii, 216.f

Perchloric ether, xlii, 63.

Percival, J. G., minerals of Berlin, v, 42.f

—, analysis of Ad. Brongniart on fossil vegetation, vii, 178.