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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Marshall, W S
    Type: Article
    In: Annals of the Entomological Society of America
    Volume: 8
    Date: 1915
    Page Range: 153--162
    Publication Info: [College Park, Md., etc.], Entomological Society of America,
  2. By: Marshall, W S
    Type: Article
    In: Annals of the Entomological Society of America
    Volume: 8
    Date: 1915
    Page Range: 201--219
    Publication Info: [College Park, Md., etc.], Entomological Society of America,