An elementary text-book for high schools, academies, normal schools and preparatory college classes. Special attention is given to the study by scientific methods, laboratory practice, microscopic study and practical zoötomy.

Cooper's Animal Life

By Sarah Cooper. Cloth, 12mo, 427 pages $1.25

An attractive book for young people. Admirably adapted for supplementary readings in Natural History.

Holders' Elementary Zoölogy

By C.F. Holder,
and J.B. Holder, M.D.
Cloth, 12mo, 401 pages $1.20

A text-book for high school classes and other schools of secondary grade.

Hooker's Natural History

By Worthington Hooker, M.D. Cloth, 12mo, 394 pages 90 cents

Designed either for the use of schools or for the general reader.