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On the Classification and Geographical Distribution of the Mammalia: Being the Lecture on Sir Robert Reade's Foundation, Delivered Before the University of Cambridge... May 10, 1859. To which is Added an Appendix" On the Gorilla," and" On the Extinction and Transmutation of Species."
Manual of the Vertebrates of the Northern United States: Including the District East of the Mississippi River, and North of North Carolina and Tennessee, Exclusive of Marine Species