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1933. Amphibians and reptiles from El Valle de Anton, Panamá. Ibid., 8:65-79. June 7.
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Fouquette, M. J. Jr.
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1960b. Isolating mechanisms in three sympatric tree frogs in the Canal Zone. Evolution, 14:484-497. December 16.
Gaige, H. T., Hartweg, N. and Stuart, L. C.
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Gosner, K. L.
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