hout a comment, left to the judgment
of the reader."--_Sartain's Magazine._

KNOWLEDGE IS POWER. A View of the Productive Forces of Modern Society,
and the Results of Labor, Capital, and Skill. By CHARLES KNIGHT. With
numerous Illustrations. American Edition. Revised, with Additions, by
DAVID A. WELLS, Editor of the "Annual of Scientific Discovery." 12mo,
cloth, $1.25.

--> This is emphatically a book _for the people_. It contains an
immense amount of important information, which everybody ought to be
in possession of; and the volume should be placed in every family,
and in every School and Public Library in the land. The facts and
illustrations are drawn from almost every branch of skilful industry,
and it is a work which the mechanic and artisan of every description
will be sure to read with a RELISH.

IMPORTANT WORKS.

A TREATISE ON THE COMPARATIVE ANATOMY OF THE ANIMAL KINGDOM. By Profs.
C. TH. VON SIEBOLD and H. STANNIUS. Translated from the German, with
Notes, Additions, &c. By WALDO I. BURNETT, M.D., Boston. One elegant
octavo volume, cloth, $3.00.

This is believed to be incomparably the best and most complete work
on the subject extant; and its appearance in an English dress, with
the additions of the American Translator, is everywhere welcomed by
men of science in this country.

UNITED STATES EXPLORING EXPEDITION; during the years 1838, 1839, 1840,
1841, 1842, under CHARLES WILKES, U.S.N. Vol. XII.

MOLLUSCA AND SHELLS. By AUGUSTUS A. GOULD, M.D. Elegant quarto volume,
cloth, $6.00.

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, with an inquiry into its
authority, and a HISTORY OF THE COLONY, 1624-1628, Roger Conant,
Governor. By J. WINGATE THORNTON. 8vo, cloth, $1.50.

--> "A rare contribution to the early history of New
England."--_Mercantile Journal._

LAKE SUPERIOR; Its Physical Character, Vegetation, and Animals. By L.
AGASSIZ and others. One volume octavo, elegantly Illustrated, cloth,
$3.50.

THE HALLIG; OR, THE SHEEPFOLD IN THE WATERS. A Tale of Humble Life on
the Coast of Schleswig. Translated from the German of BIERNATSKI, by
Mrs. GEORGE P. MARSH. With a Biographical Sketch of the Author. 12mo,
cloth, $1.00.

As a revelation of an entire new phase in human