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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hertzog, P H
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 20
    Date: 1909
    Page Range: 245--246
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],