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  1. A biographical notice of George W. Tryon, Jr., conservator of the Conchological Section of the Academy of Natural Sciences of Philadelphia.
    By: Ruschenberger, W. S. W.
    Publication info: [Philadelphia]H. Binder, printer,1888.
    Contributed by: University of California Libraries (archive.org)
    Subjects: 1838-1888  Bibliography  Mollusks  Tryon, George Washington,  
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