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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Leidy, Joseph,
    Publication info: Washington, G.P.O, 1879
    Holding Institution: Canadiana.org
    Subjects: Fresh-water fauna  North America  Rhizopoda  
  2. By: Latchford, F. R. (Francis Robert),
    Publication info: Ottawa, A.S. Woodburn, [1882?]
    Holding Institution: Canadiana.org
    Subjects: Addresses, essays, lectures  Fresh-water fauna  Mollusks  Ottawa region  Unionidae