MARSTON, OR THE SOLDIER AND STATESMAN, by Croly, 8vo, sewed, 50 cents.

MACKINTOSH'S DISSERTATION ON ETHICAL PHILOSOPHY, 1 vol. 8vo, cloth.

MOORE'S HISTORY OF IRELAND, in 2 vols. 8vo, cloth. Second volume sold separate.

MARTIN CHUZZLEWIT, by "Boz," cloth or paper.

MULLER'S PHYSICS AND METEOROLOGY, 1 vol. large 8vo, 2 colored plates, and 550 wood-cuts.

MILLWRIGHT'S AND MILLER'S GUIDE, by Oliver Evans, in 1 vol. 8vo, sheep, many plates.

METCALF ON CALORIC, 1 vol. 8vo, (at press).

MILL'S HISTORY OF THE CRUSADES, AND CHIVALRY, in one octavo volume.

MILL'S SPORTSMAN'S LIBRARY, 1 vol. 12mo, extra cloth.

NARRATIVE OF THE UNITED STATES' EXPLORING EXPEDITION, by Captain Charles Wilkes, U. S. N., in 6 vols. 4to, $60; or 6 vols. imperial 8vo, $25, with very Numerous and Beautiful Illustrations, on wood, copper, and steel; or 5 vols. 8vo, $10, with over three hundred wood-cuts and maps.