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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Easton, Norman S
    Type: Article
    In: Psyche
    Volume: 16
    Date: 1909
    Page Range: 35--42
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  2. By: Easton, Norman S
    Type: Article
    In: Psyche
    Volume: 16
    Date: 1909
    Page Range: 49--57
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,