The illustrations are an important feature of the book. Many of them are so ingeniously devised that they explain at a glance what pages of mere description could not make clear.

Copies of Todd's New Astronomy will be sent prepaid to any address, on receipt of the price, by the Publishers:

American Book Company

NEW YORK · CINCINNATI · CHICAGO


A Laboratory Manual in Practical Botany

For use in Secondary Schools and for Elementary Work in Colleges

By Charles H. Clark, A.M., D.Sc.,

Principal of Windsor Hall School, Waban, Mass.

Cloth, 12mo, 272 pages. Illustrated 96 cents