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A Contribution to the Study of the Insect Fauna of Human Excrement (With Especial Reference to the Spread of Typhoid Fever by Flies). Contained in Proceedings of the Washington Academy of Sciences, Volume 2 pages 541-604.

An important enemy to fruit trees;: The San Jose scale; its appearance in the eastern United States; measures to be taken to prevent its spread and to ... Division of Entomology. Circular)

The Grass and Grain Joint-Worm Flies and Their Allies
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