—, geological notice of some parts of North and South Carolina, iii, 227.

—, reply to T. Cooper on tests of arsenic, iv, 160.

—, mineral localities on the Connecticut, ix, 177.f

—, specimens of Zircon, iii, 229; v, 271.

Porter, W. S., sketches of Alabama, xiii, 77.

Portugal, public instruction in, vii, 198.

Post office department, progress of the American, xv, 373.

Post offices in France, income of, for 1824, x, 174.

Postage of printed sheets in England, xlix, 228.

Pot and pearl ashes, method of manufacturing, by G. A. Rogers, viii, 304.