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  1. By: Joliet, Lucien - Delage, Yves,
    Publication info: Paris, A. Hennuyer, 1888
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Anatomy  Bryozoa  Embryology  France  Menton  Pyrosoma  Roscoff  Tunicata
  2. By: Neumann, George R.
    Publication info: Berlin, Friedlander, 1913
    Holding Institution: MBLWHOI Library
    Subjects: Cyclomyaria  Pyrosoma