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  1. By: Gudger, E. W. (Eugene Willis),
    Publication info: Washington, Govt. print. off, 1905
    Holding Institution: The Johns Hopkins University Sheridan Libraries
    Subjects: Karyokinesis  Pipefishes  
  2. By: Nichols, John T. (John Treadwell), - Whitney, Alfred R.
    Publication info: New York City, The American Museum of Natural History, [1937]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.7,53S(729)  Classification  Fishes  Pipefishes  Saint John  Syngnathus walcotti  Virgin Islands of the United States