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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Harasewych, M. G. - Jensen, R H
    Type: Article
    In: Nemouria; occasional papers of the Delaware Museum of Natural History
    Volume: 22
    Date: 1979-10-30
    Page Range: 1--16
    Publication Info: [Greenville], Delaware Museum of Natural History,