Slevin, Joseph Richard

1881 – 1957

• The making of a scientific collection of reptiles and amphibians
• The amphibians of western North America
• A list of the amphibians and reptiles of Arizona
• Log of the schooner "Academy" on a voyage of scientific research to the Galapagos islands, 1905-1906
• Race with extinction
• The Galápagos Islands