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The Frog Book (1906) Color plate 12

Image of Northern Leopard Frog

Description:

Description: English: To show the coloration of some spotted frogs of North America. Figs. I and 2.— THE COMMON LEOPARD FROG [Rana pipiens Shreber, Rhode Island]. Typical pattern of coloration and great divergence from it. Figs. 3 and 4.— THE SOUTHERN LEOPARD FROG ana sphenocephala Cope. Immature. Seven Oaks, Florida.] Fig. 5. — Immature Rana pipiens. Helotes, Texas. Fig. 6. — Rana pipiens. Ithaca, New York. Fig. 7. — Female Ratia sphenocephala. Hitchcock, Texas. Date: 1906. Source: Dickerson, Mary C. (1906) The Frog Book, New York: Doubleday, Page & Company. Author: Mary Cynthia Dickerson (1866–1923).

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