. 12mo, cloth. Price $1.00.

Dr. Buckland said HE WOULD GIVE HIS LEFT HAND TO POSSESS SUCH
POWERS OF DESCRIPTION AS THIS MAN.

IV.

MY SCHOOLS AND SCHOOLMASTERS;
OR, THE STORY OF MY EDUCATION.

AN AUTOBIOGRAPHY.

With a full length Portrait of the Author. 12mo, cloth. Price $1.25.

This is a personal narrative of a deeply interesting and
instructive character, concerning one of the most remarkable men of
the age. It should be read and studied by every young man in the
land.

V.

TESTIMONY OF THE ROCKS;

OR, GEOLOGY IN ITS BEARINGS ON THE TWO THEOLOGIES,
NATURAL AND REVEALED.

"Thou shalt be in league with the stones of the field."--JOB.

With numerous elegant Illustrations. One volume, royal 12mo. Price $1.25.

This is the largest and most comprehensive geological work of this
distinguished author. It exhibits the profound learning, the
felicitous style, and the scientific perception, which characterize
his former works, while it embraces the latest results of
geological discovery. But the great charm of the book lies in those
passages of glowing eloquence, in which, having spread out his
facts, the author proceeds to make deductions from them of the most
striking and exciting character.

* * * * *

--> The above works may be had in sets of uniform size and style of
binding.

VALUABLE WORKS.

KNOWLEDGE IS POWER: A VIEW OF THE PRODUCTIVE FORCES OF MODERN SOCIETY,
and the Result of Labor, Capital, and Skill. By CHARLES KNIGHT. American
edition, with Additions, by DAVID A. WELLS, Editor of "Annual of
Scientific Discovery," &c. With numerous Illustrations. 12mo, cloth.
$1.25.

This work is eminently entitled to be ranked in that class, styled,
"BOOKS FOR THE PEOPLE." The author is one of the most popular
writers of the day. "Knowledge is Power" treats of those things
Which "come home to the business and bosoms" of every man. It is
remarkable for its fullness and variety of information, and for the
felicity and force with which the author applies his facts to his
reasoning. The facts and illustrations are drawn from almost every
branch of skilful industry. It is a work which the mechanic and
artizan of every description will be sure to read with a RELISH.

This is a work of rare merit, and touches many strings of
importance with