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  1. By: Barnard, William Stebbins,
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 2
    Date: 1880
    Page Range: 116--117
    Publication Info: Washington Biological Society of Washington
  2. By: Barnard, William Stebbins,
    Type: Article
    In: Psyche
    Volume: 4
    Date: 1884
    Page Range: 143--144
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,