Cope, E. D. (1875). Check-list of North American Batrachia and Reptilia: With a systematic list of the higher groups, and an essay on geographical distribution. Based on the specimens contained in the U.S. National Museum. Govt. print. off..
MLA CitationCope, E. D. Check-list of North American Batrachia and Reptilia: With a Systematic List of the Higher Groups, and an Essay on Geographical Distribution. Based on the Specimens Contained in the U.S. National Museum. Govt. print. off., 1875.
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