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Start Over You searched for: Subjects Amphibians -- classification ✖Remove constraint Subjects: Amphibians -- classificationRefine by:
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- Amphibians -- classification✖[remove]3
- Reptiles -- classification3
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- Descriptions of extinct batrachia and reptilia from the Permian Formation of Texas1
- Report upon the reptiles and batrachians collected during the years of 1875, 1876, and 1877, in California, Arizona, and Nevada1
- Synopsis of the reptiles and batrachians of Arizona: with critical and field notes, and an extensive synonymy1
Current results range from 1875 to 1878