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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Quaintance, A. L. (Altus Lacy), - United States. Bureau of Entomology. - United States. Department of Agriculture.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Bureau of Entomology, 1908
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Agicultural pests  Apple maggot  Apples  Diseases and pests