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  1. Joseph R. Slevin Galapagos expedition journal and collecting notebooks,
    By: Slevin, Joseph Richard,
    Contributed by: California Academy of Sciences Library
    Subjects: (1905-1906)  1881-1957  Amphibians  Archives  Behavior  California Academy of Sciences  Classification  Collection and preservation  Expedition of the California Academy of Sciences t  Field notes  Fieldwork  Galapagos Islands  Herpetology  Identification  Reptiles  Scientific Expeditions  Slevin, Joseph Richard,  South America  Zoological specimens  
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