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Ceratiocaridæ from the upper Devonian measures in Warren County, by Chas. E. Beecher. Eurypteridæ from the lower productive coal measures in Beaver County, and the lower Carboniferous, pithole shale, in Venango County, by James Hall.
By: Beecher, Charles Emerson, - Hall, James,
Publication info: Harrisburg :Pub. by the Board of Commissioners for the Second Geological Survey,1884.
Contributed by: University of California Libraries (archive.org)
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The development of some Silurian Brachiopoda : with eight plates / by Charles E. Beecher, John M. Clarke.
By: Beecher, Charles Emerson, - Clarke, John Mason,
Publication info: Albany :University of the State of New York,1889.
Contributed by: Gerstein - University of Toronto (archive.org)
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The development of some Silurian Brachiopoda, by Charles E. Beecher [and] John M. Clarke.
By: Beecher, Charles Emerson, - Clarke, John Mason,
Publication info: Albany :University of the State of New York,1889.
Contributed by: University of California Libraries (archive.org)
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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 Institution Libraries
BHL Collections: Smithsonian Institution Libraries
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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)
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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
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