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  1. Johnsonia.
    By: Clench, William James, - Johnson, Charles Willison, - Harvard University.
    Publication info: Cambridge, Mass. :Dept. of Mollusks, Museum of Comparative Zoölogy, Harvard University,1941-
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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  2. New names introduced by H. A. Pilsbry in the Mollusca and Crustacea, by William J. Clench and Ruth D. Turner.
    By: Clench, William James, - Pilsbry, Henry Augustus, - Turner, Ruth Dixon.
    Publication info: [Philadelphia]Academy of Natural Sciences of Philadelphia,1962.
    Contributed by: MBLWHOI Library
    BHL Collections: MBLWHOI Library, Woods Hole
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