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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Rivers, I L
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 14
    Date: 1938
    Page Range: 124--128
    Publication Info: San Francisco, Pacific Coast Entomological Society,
  2. By: Rivers, I L
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 18
    Date: 1942
    Page Range: 4--8
    Publication Info: San Francisco, Pacific Coast Entomological Society,