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  1. Jamaican fossil Echini / by Benjamin Walworth Arnold and Hubert Lyman Clark. With descriptions of new species of Cainozoic Echinoidea / by Herbert L. Hawkins.
    By: Arnold, Benjamin Walworth, - Clark, Hubert Lyman, - Hawkins, Herbert Leader,
    Publication info: Cambridge, U.S.A. :Printed for the Museum,1927.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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  2. Some additional fossil Echini from Jamaica / by Benjamin Walworth Arnold and Hubert Lyman Clark.
    By: Arnold, Benjamin Walworth, - Clark, Hubert Lyman,
    Publication info: Cambridge, U.S.A. :Printed for the Museum,1934.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
    View Book