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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Cressey, Roger F., - United States. National Marine Fisheries Service.
    Publication info: [Seattle, Wash.], Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, [1978]
    Holding Institution: Penn State University
    Subjects: Branchiura (Crustacea)  Crustacea  Fishes  Marine biology  Northeastern States  Parasites