THE EARTH AND MAN.
By Prof. Arnold Guyot. With Illustrations. 12mo, cloth, $1.25.

INFLUENCE OF THE HISTORY OF SCIENCE UPON INTELLECTUAL EDUCATION.
By William Whewell, D. D. 16mo, cloth, 25 cents.

PRINCIPLES OF ZOÖLOGY.
With Illustrations. By Louis Agassiz and Augustus A. Gould. 12mo, cloth, $1.

This work places us in possession of information half a century in advance of all our elementary works on this subject.—Prof. James Hall.

A work emanating from so high a source hardly requires commendation to give it currency. Simple and elementary in its style, full in its illustrations, comprehensive in its range.—[Silliman's Journal.

The best book of the kind in our language.—[Christian Examiner.

Zoology is an interesting science, and is here treated with a masterly hand.—[Scientific American.

THE LANDING AT CAPE ANNE;

Or, The Charter of the First Permanent Colony on the Territory of the Massachusetts Company. Now discovered and first published from the original manuscript. By John Wingate Thornton. Octavo, cloth, $1.50.

GEOLOGICAL MAP OF THE UNITED STATES AND BRITISH PROVINCES.

With an Explanatory Text, Geological Sections, and Plates of the Fossils which characterize the Formations. By Jules Marcou. Two volumes. Octavo, cloth, $3.00.

☞The Map is elegantly colored, and done up with linen cloth back, and folded in octavo form, with thick cloth covers.

KNOWLEDGE IS POWER.