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  1. On the experimental hybridization of echinoids / by Cresswell Shearer, Walter de Morgan, and H.M. Fuchs.
    By: Shearer, Cresswell, - De Morgan, Walter. - Fuchs, F. M.
    Publication info: [Cambridge :University Press],1914.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Institution Libraries
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