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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Jacobs, S N A
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 80
    Date: 1968
    Page Range: 297--298
    Publication Info: [London s.n
  2. By: Jacobs, S N A
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 88
    Date: 1976
    Page Range: 103--103
    Publication Info: [London s.n
  3. By: Jacobs, S N A
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 87
    Date: 1975
    Page Range: 26--27
    Publication Info: [London s.n
  4. By: Jacobs, S N A
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 91
    Date: 1979
    Page Range: 23--23
    Publication Info: [London s.n