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  1. On the Second Abdominal Segment in a Few Libellulidœ
    By: Goddard, Martha Freeman
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge.
    Volume: 35
    Issue: 152
    Date: 1896
    Page Range: 205--212
    Publication info: Philadelphia :American Philosophical Society
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