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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Massachusetts. State forester. - Colley, R. H. - Speare, Alden T.
    Publication info: Boston, Wright & Potter, printing company, state printers, 1912
    Holding Institution: Library of Congress
    Subjects: Browntail moth  Entomophthora aulicae  Parasites