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  1. Report of T. B. Ferguson, commissioner of fisheries of Maryland, January 1881.
    By: Ferguson, T. B. - Ryder, John A. - Maryland.
    Publication info: Hagerstown, Md. :Bell,1881.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  2. A review of the fossil Ostreidæ of North America and a comparison of the fossil with the living forms / by Charles A. White ; with appendices by Angelo Heilprin and John A. Ryder.
    By: White, Charles A. - Heilprin, Angelo, - Ryder, John A. - Geological Survey (U.S.)
    Publication info: Washington :G.P.O.,1883?
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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