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  1. By: Pinckney, Frank L.
    Publication info: 1910
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: 1910  General Science  Regeneration (Biology)  Sludge worms  Theses  UIUC
  2. By: Nasse, Dietrich,
    Publication info: Bonn, Carl Georgi, 1882
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Anatomy  Naididae  Sludge worms