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  1. By: Cavers, F. (Francis),
    Publication info: London, Wesley, 1913
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Algae  Flagellata  
  2. By: Stein, Friedrich,
    Publication info: Leipzig, W. Engelmann, 1859-1883
    Holding Institution: Multiple institutions
    Subjects: Ciliata  Flagellata  Infusoria