Papers on the higher classification of frogs
By: E.D. Cope.
Contributors: Society for the Study of Amphibians and Reptiles.; Academy of Natural Sciences of Philadelphia.
Series: Proceedings of the Academy of Natural Sciences of Philadelphia -- v. 16, no. 4; Facsimile reprints in herpetology
Publisher: Society for the Study of Amphibians and Reptiles
Published: 1979
Place of publication: [Lawrence, Kansas]
Language: eng
Number of pages: 32
Subjects: Frogs -- Classification; Reptiles -- Classification
Notes: Reprint. Originally published: Proceedings of the Academy of Natural Sciences, Philadelphia ; vol. 16, no. 4, 1864.

Includes bibliographical references.