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  1. By: Collingwood, C
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 1
    Series: 4
    Date: 1868
    Page Range: 31--33
    Publication Info: London Taylor and Francis, Ltd
  2. By: Collingwood, C
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 103
    Date: 1991
    Page Range: 92--94
    Publication Info: [London s.n
  3. By: Collingwood, C
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 1
    Series: 4
    Date: 1868
    Page Range: 90--94
    Publication Info: London Taylor and Francis, Ltd