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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Cook, P P
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 40
    Date: 1964
    Page Range: 222--226
    Publication Info: San Francisco Pacific Coast Entomological Society
  2. By: Cook, P P
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 31
    Date: 1955
    Page Range: 151--154
    Publication Info: San Francisco Pacific Coast Entomological Society