A considerable number of books can be of great help to the beginner in naming his specimens. The following are perhaps the most easily used. Others are being published from time to time.

An Introduction to Entomology, by J. H. Comstock. The Comstock Publishing Company, Ithaca, N. Y.

The Butterfly Book, by W. J. Holland. Doubleday, Doran & Company, Garden City, N. Y.

The Moth Book, by W. J. Holland. Doubleday, Page & Company, Garden City, N. Y. Out of print, but may be obtained from secondhand book dealers.

How to Know the Insects, by H. E. Jaques. H. E. Jaques, 709 North Main Street, Mount Pleasant, Iowa.

Insects: A Guide to Familiar American Insects, by Herbert S. Zim and Clarence Cottam. Simon and Schuster, Inc., Rockefeller Center, New York 20, N. Y.

Field Book of Ponds and Streams, by Ann Haven Morgan. G. P. Putnam’s Sons, New York, N. Y.

The Insect Guide, by Ralph B. Swain. Doubleday & Company, Inc., Garden City, N. Y.

College Entomology, by E. O. Essig. The Macmillan Company, New York, N. Y.

Entomology for Introductory Courses, by Robert Matheson. The Comstock Publishing Company, Ithaca, N. Y.

A Textbook of Entomology, 3rd ed., by Herbert H. Ross. John Wiley & Sons, Inc., 440 Park Avenue South, New York, N. Y.

Understanding Evolution, by Herbert H. Ross. Spectrum Books: Prentice-Hall, Inc., Englewood Cliffs, N. J. 07632.