. Check list of the amphibians and reptiles of Canada and Alaska. Amphibians; Amphibians; Reptiles; Reptiles. Map 63. Thamnophis sirtalis sirtalis 9 Thamnophis sirtalis pallidula â. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Logier, E. B. S. (Eugene Bernard Shelley), 1893-; Toner, G. C. (George Clive), 1899-. Toronto : Royal Ontario Museum

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Keywords: ., book, bookcentury1900, booksubjectamphibians, booksubjectreptiles