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Keywords from Image Description:
Report of an expedition down the Zuni and Colorado rivers Reptiles Plate . PI Fig RepresentsanenlargedviewoftkalioYeSflake Fig RepieseiLts variation oftkjlates of the head PITYOPHIS AFINIS HAL LOWELL ckerman Lit Bro adw jJY Reptiles Plate Illustration biodiversitylibrary org title Sitgreaves Lorenzo United States