Insect physiology; a syllabus in insect physiology prepared expessly for use in Entomology course 85 at Cornell University.

Loose-leaf.

Keys to the North American genera and higher groups of aquatic insects in their larval and adult stages,

Leaves variously numbered.

Researches on the insect metamorphosis ...

"From Transactions of the Royal Society of South Australia, vol. xlvi., 1922."

Insect life.

"Books about insects": p. 62-63.

How to make an insect collection; a beginner's guide to the methods and materials of insect collecting.

Mode of access: Internet.

How to make an insect collection; containing suggestions and hints designed to aid the beginning and less advanced collector ...

"Designed to replace Directions for collecting and preserving insects by Dr. A. B. Klots which is now out of print. The current publication is a co-operative affair written by members of Ward's own staff."--p. [2]

Organization and conduct of forest insect aerial surveys in Oregon and Washington,

Mode of access: Internet.

Methods of insect control.

V. 1: 2d ed., rev., 1937-1940 with 1942 printing; v. 2: 3rd edition-revised, copyright 1938, 1940, 1942 with 1944 printing.

Discussions of forage insect research workers during the North Central Branch meetings of the Entomological Society of America at Purdue University.

Mode of access: Internet.

The locust borer (Cyllene robiniae) and other insect enemies of the black locust,

Mode of access: Internet.

Forest insect conditions in central and southern Rocky Mountains, 1960.

Mode of access: Internet.

Methods of insect control ...

Reproduced from type-written copy.

The role of aquatic vascular plants in the eutrophication of selected lakes in western Massachusetts

"A project supported under Section 100, Water resources research act of 1964 (p. L. 88-379."

Effects of chemical variations in aquatic environments.

Project 18050 DYC.

The bag-worm : an injurious shade-tree insect /

Caption title.