Baird, S. F.; Girard, C. (1853). Catalogue of North American Reptiles in the Museum of the Smithsonian Institution. Part 1.-Serpents. Smithsonian Inst., Washington. xvi + 172 pp.
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Baird, S. F.; Girard, C.
1853
Catalogue of North American Reptiles in the Museum of the Smithsonian Institution. Part 1.-Serpents