An Elementary Study of Insects
by Leonard Haseman
Publisher: Missouri Book Company 1923
Contents: introduction; collecting insects; grasshopper; house fly or typhoid fly; mosquito; cabbage miller; apple worm; tomato or tobacco worm; firefly; white grub or june-bug; Colorado potato beetle; lady-beetle; dragon-fly; squash bug; plant-louse; honey bee; ant.
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by John Bernhard Smith - J.B. Lippincott Company
The relation of insects to man, to other animals, to one another, and to plants, with a chapter on the war against insects. The insects' influence upon humanity, directly and indirectly, is vastly greater than is generally realized.
by G. V. Hudson - West, Newman & Co.
The present work is intended as a guide to those who desire to collect or study our native Lepidoptera, and also as a book of reference to the general reader. With a few exceptions this book only treats of what are termed the Macro-Lepidoptera.
by Clarence M. Weed - Doubleday, Page & Company
In this little book an attempt has been made to discuss the more abundant and widely distributed butterflies of eastern North America from the point of view of their life histories and their relations to their surroundings.
by O. A. Johanssen, W. A. Riley - The Comstock Publishing Company
The object of the Handbook is to afford a general survey of the field, and to put the student of medicine and entomology in touch with the discoveries and theories which underlie some of the most important modern work in preventive medicine.