1944. Herpetology of the Bogotá area. Rev. Acad. Colombiana Cien. Exact., Fis. Nat., 6:68-81.

Fouquette, M. J., Jr.

1960. Isolating mechanisms in three sympatric tree frogs in the Canal Zone. Evolution, 14:484-497. December.

Funkhouser, Anne

1957. A review of the neotropical tree-frogs of the genus Phyllomedusa. Occas. Papers Nat. Hist. Mus. Stanford Univ., 5:1-89. April 1.

Gadow, H.

1908. Through southern Mexico. London, Witherby and Co. xvi + 527 pp.

Gaige, H. T., Hartweg, N. and Stuart, L. C.

1937. Notes on a collection of amphibians and reptiles from eastern Nicaragua. Occas. Papers Mus. Zool. Univ. Michigan, 357:1-18. October 26.

Goin, C. J.