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1910. The amphibian generic name Engystoma untenable. Proc. Biol. 



Soc. Washington, vol. 23, pp. 165-167. 

 1913. Results of the Yale Peruvian expedition of 1911. Batrachians and 



reptiles. Proc. U.S. Nat. Mus., vol. 45, pp. 541-547. 

 1933. Amphibians and reptiles from tropical America. Medd. Zool. 

 Mus. Oslo, no. 40, pp. 45-50. 

 Stejneger, Leonhard, and Test, Frederick C. 



1891. Description of a new genus and species of tailless batrachians from 

 tropical America. Proc. U.S. Nat. Mus., vol. 14, no. 847, pp. 

 167, 168, 1 pi. 

 Stuart, Lawrence C. 



1935. A contribution to a knowledge of the herpetology of a portion of the 

 savanna region of Central Peten, Guatemala. Mus. Zool. Univ. 

 Michigan Misc. Publ. 29, 56 pp., 4 pis., 1 fig., map. 

 Taylor, Edward H. 



1942. New tailless Amphibia from Mexico. Univ. Kansas Sci. Bull., 



vol. 28, pp. 67-89, pis. 6-9. 

 1949. Costa Rican frogs of the genera Centrolene and Centrolenella. Univ. 

 Kansas Sci. Bull., vol. 33, pt. 1, pp. 257-270. 



1951. Two new genera and a new family of tropical American frogs. Proc. 



Biol. Soc. Washington, vol. 64, pp. 33-37. 



1952. The frogs and toads of Costa Rica. Univ. Kansas Sci. Bull., vol. 



35, pt. 1, no. 5, pp. 577-943, figs. 1-69. 

 Taylor, Edward H., and Cochran, Doris M. 



1953. Frogs of the family Centrolenidae from Brasil. Univ. Kansas Sci. 



Bull., vol. 35, pt. 2, no. 15, pp. 1625-1656, 7 figs. map. 

 Taylor, Edward H., and Smith, Hobart M. 



1945. Summary of the collections of amphibians made in Mexico under the 



Walter Rathbone Bacon travelling scholarship. Proc. U.S. Nat. 



Mus., vol. 95, pp. 521-613. 

 Thornton, W. A. 



1964. The frog Hyla rosenbergi in Colombia, South America. Herpeto- 



logica, vol. 20, no. 3, pp. 188-191, 1 fig. 



1965. A new frog of the genus Eleutherodadylus from the coastal rain 



forest of Colombia. Copeia, 1965, no. 4, pp. 425-427, fig. 1. 

 Travassos, H. 



1947. Relatorio da excursSo do Instituto Oswaldo Cruz realizada no estado 

 de S. Paulo em Novembre e Decembre de 1946. Mem. Inst. 

 Oswaldo Cruz, vol. 45, pt. 3, pp. 619-627. 

 Travassos, L., and Freitas, J. F. T. 



1942. Relatorio de sexta excursao do Instituto Oswaldo Cruz realizada 

 a zona de Estrado de Ferro Noroeste de Brasil em Novembro de 

 1941. Mem. Inst. Oswaldo Cruz, vol. 31, pt. 3, pp. 282-284. 

 Trewavas, Ethelwynn 



1933. The hyoid and larynx of the Anura. Philos. Trans. R.oy. Soc. 

 London, vol. B222, pp. 401-527, 82 figs. 

 Troschel, Franz Hermann 



1848. Amphibien. In M. R. Schomburgk, Reisen in Britisch- Guiana in 

 den Jahren 1840-1844 . . . , vol. 3. 

 Tschudi, Johann Jacob 



183S. Classification der Batrachier, mit Beriicksichtigung der fossilen 

 Thiere dieser Abtheilung der Reptilien. Mem. Soc. Sci. Nat. 

 Neuchatel, 99 pp., 2 pis. 



