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  1. By: Curtis, William Parkinson,
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 29
    Date: 1917
    Page Range: 5--11
    Publication Info: [London s.n
  2. By: Curtis, William Parkinson,
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 25
    Date: 1913
    Page Range: 57--60
    Publication Info: [London s.n