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  1. By: Cowles, R. P. (Rheinart Parker),
    Publication info: Manila, Bureau of Printing, 1914
    Holding Institution: Smithsonian Libraries and Archives
  2. By: Cowles, R. P. (Rheinart Parker), - Brooks, William Keith, - National Academy of Sciences (U.S.)
    Publication info: Washington, National Academy of Sciences, 1905
    Holding Institution: MBLWHOI Library
  3. By: Cowles, R. P. (Rheinart Parker), - Brooks, William Keith,
    Publication info: Washington, Govt. print. off, 1905
    Holding Institution: The Johns Hopkins University Sheridan Libraries
  1. By: Cowles, R. P. (Rheinart Parker),
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 14
    Series: 7
    Date: 1904
    Page Range: 69--78
    Publication Info: London Taylor and Francis, Ltd