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  1. Studies in evolution; mainly reprints of occasional papers selected from the publications of the Laboratory of invertebrate paleontology, Peabody Museum, Yale University.
    By: Beecher, Charles Emerson,
    Publication info: New York,C. Scribner,1901.
    Contributed by: Cornell University Library
    Subjects: Brachiopoda  Brachiopoda, Fossil  Evolution  Spines (Zoology)  Trilobites  
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  2. Studies in evolution; mainly reprints of occasional papers selected from the publications of the Laboratory of invertebrate paleontology, Peabody Museum, Yale University. By Charles Emerson Beecher.
    By: Beecher, Charles Emerson,
    Publication info: New York,C. Scribner,1901.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Brachiopoda  Brachiopoda, Fossil  Evolution  Spines (Zoology)  Trilobites  
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  3. Studies in evolution; mainly reprints of occasional papers selected from the publications of the Laboratory of invertebrate paleontology, Peabody Museum, Yale University. By Charles Emerson Beecher.
    By: Beecher, Charles Emerson,
    Publication info: New York,C. Scribner,1901.
    Contributed by: Smithsonian Libraries
    Subjects: Brachiopoda  Brachiopoda, Fossil  Evolution  Spines (Zoology)  Trilobites  
    BHL Collections: Smithsonian Libraries
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