ented are such as
are common and familiar.

Nicholson's Text-Book of Zooelogy

By H.A. NICHOLSON, M.D. Cloth, 12mo, 421 pages $1.38

Revised edition. Adapted for advanced grades of high schools or
academies and for first work in college classes.

Steele's Popular Zooelogy

By J. DORMAN STEELE, Ph.D., and J.W.P. JENKS.

Cloth, 12mo, 369 pages $1.20

For academies, preparatory schools and general reading. This popular
work is marked by the same clearness of method and simplicity of
statement that characterize all Prof. Steele's text-books in the Natural
Sciences.

Tenneys' Natural History of Animals

By SANBORN TENNEY and ABBEY A. TENNEY.

Revised Edition. Cloth, 12mo, 281 pages $1.20

This new edition has been entirely reset and thoroughly revised, the
recent changes in classification introduced, and the book in all
respects brought up to date.

Treat's Home Studies in Nature

By Mrs. MARY TREAT. Cloth, 12mo, 244 pages 90 cents

An interesting and instructive addition to the works on Natural History.

_Copies of any of the above books will be sent prepaid to any address,
on receipt of the price, by the Publishers:_

American Book Company

NEW YORK . CINCINNATI . CHICAGO

* * * * *

Text-Books in Geology

Dana's Geological Story Briefly Told

By JAMES D. DANA. Cloth, 12mo, 302 pages $1.15

A new edition of this popular work for beginners in the study and for
the general reader. The book has been entirely rewritten, and improved
by the addition of many new illustrations and interesting descriptions
of the latest phases and discoveries of the science. In contents and
dress it is an attractive volume either for the reader or student.

Dana's Revised Text-Book of Geology

Edited by WILLIAM NORTH RICE, Ph.D., LL.D., Professor of
Geology, Wesleyan University. Cloth, 12mo, 482 pages. $1.40

This is the standard text-book for high school and elementary college
work. The book has been thoroughly revised, enlarged, and improved,
while the general and distinctive features of the former work have been
preserved. As now published, it combines the results of the life
experience and observation of its distinguished author with the latest
discoveries and researches in the science.

Dana's Manual of Geology

By JAMES D. DANA.

Cloth, 8vo,