Cope, E. D. (1877). Synopsis of the cold blooded vertebrata, procured by Prof. James Orton during his exploration of Peru in 1876-77. Proceedings of the American Philosophical Society. v. 17: 33-49.
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Cope, E. D.
1877
Synopsis of the cold blooded vertebrata, procured by Prof. James Orton during his exploration of Peru in 1876-77