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  1. A descriptive catalogue of the Naiades, or pearly fresh-water mussels.
    By: Simpson, Charles Torrey
    Publication info: Detroit, Mich.,Bryant Walker,1914.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  1. Description of four new Triassic Unios from the Staked Plains of Texas
    By: Simpson, Charles Torrey
    Type: Article
    In: Proceedings of The United States National Museum
    Volume: 18
    Date: 1896
    Page Range: 381--385
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