118 GEOGRAPHICAL DISTRIBUTION OF THE BATRACHTA. 



6. Families restricted to 1 Region. 



DendropJiryniscidm. Tropical-American Region. 

 Amphignathodontidce. Tropical-American Region. 

 Hemiphractidce. Tropical-American Region. 

 Dactylethridce. African Subregion. 

 Pipidce. Tropical- American Region. 

 Sirenidce. North-American Region. 





