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Family BufonidaeFour species of toad of the genus Bufo have beenfound in Mexican caves: Bufo debilis Girard wastaken in Cueva de Dos Cuartos, San Luis Potosi; B.occidentalis Camerano was found in S6tano del Gobernador,Queretaro; B. valliceps Wiegemann wasfound in caves and cenotes in Yucatan (Gaige, 1936);and B. marinus (Linnaeus), reported from cenotes inYucatan by Barbour and Cole (1906) and Gaige(1936), has been collected in Hoyo de Don Nicho,Chiapas, and Cueva de la Virgen de Guadalupe,Tamaulipas.Family HylidaeSix species of hylid frog have been found in cavesand cenotes. Agalychnis callidryas (Cope) was reportedfrom Cenote de Thompson, Yucatan (Gaige,1936). Triprion petasatus (Cope), described fromCenote Taamanche, Yucatan (Cope, 1865), has beenfound in Cenote de Santa Elena, Yucatan (Kellogg,1932). Four other species have been taken fromMexican caves: Hyla staufferi staufferi Cope fromHoyo de Don Nicho, Chiapas; H. taeniopus Guntherfrom Sima Esteban, Puebla; Plectrohyla sp. d. sagorumHartweg from the streams in Chen SibilmutMEXICO(/C" ,/GUATEMALAr\,-"ro-"~///Fig. 86.-Distribution of cavernicole salamanders of the family Plethodontidae: 1, Chiropterotriton multidentata; 2, C.multidentata and Psudoeurycea scandens; 3, C. chondrostega, C. multidentata, P. belli, and P. scandens; 4, C. multidentata andThorius sp.; 5, C. arborea and C. magnipes; 6, C. magnipes; 7, C. arborea; 8, C. mosaueri; 9, Bolitoglossa yucatana.248