New Edition. With a Supplementary Dialogue, in which the author's reviewers are reviewed. 12mo, cloth, $1.00.

This masterly production, which has excited so much interest in this country and in Europe, will now have increased attraction in the Supplement, in which the author's reviewers are triumphantly reviewed.

COMPARATIVE ANATOMY OF THE ANIMAL KINGDOM.

By Prof. C. Th. Von Siebold and H. Stannius. Translated, with Notes, Additions, &c., By Waldo J. Burnett, M. D. One vol., octavo, cloth, $3.00.

This is unquestionably the best and most complete work of its class ever yet published.

WORKS BY HUGH MILLER.

Dr. Buckland said, "He would give his left hand to possess such powers of description as this man."

THE NATURAL HISTORY OF THE HUMAN SPECIES.

Its Typical Forms and Primeval Distribution. By Charles Hamilton Smith, With an Introduction, containing and Abstract of the Views of Blumenbach, Prichard, Bachman, Agassiz, and other writers of repute. By Samuel Kneeland, Jr., M. D. With elegant Illustrations. 12mo, cloth, $1.25.