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3. Reports on the results of dredging under the supervision of Alexander Agassiz, in the Gulf of Mexico (1877-78), the Caribbean Sea (1878-79), and the east coast of the United States (1880). XVI. Preliminary report on the Comatulae;Carpenter;Bull. Mus. Comp. Zool., Harvard,1881
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5. Descriptions of new species of Recent un-stalked crinoids from the North Pacific Ocean;Clark;Proc. U. S. Nat. Mus.,1907