viii kepthes. 



B. Tongue adherent in front, more or less free behind : 

 OPISTHOGLOSSA. 



I. Fingers and toes tapering or cylindrical, not dilated at the end. 

 Opisthoglossa oxydactyla. 



a. Maxillary teeth. 



aa. Ear perfectly developed. EANINA. 



a. No paratoids. 



aa. Sacral vertebra not dilated. 



1. Toes webbed. 4. Eanid^. 



2. Toes free. 5. Cxstignathid^. 



/3/3. Sacral vertebra dilated. 



1. Toes webbed. 6. DiscooiossiDiE. 



2. Toes free. 7. Asteropheydid^. 



/3. With paratoids. 



(aa. Sacral vertebra not dilated ?) 

 j3/3. Sacral vertebra dilated. 



1. Toes webbed. 8. Alytid^. 



2. Toes free. 9. Upeeoliid^. 



hh. Ear imperfectly developed. BOMBINATORINA. 



a. No paratoids. 



aa. Sacral vertebra not dilated. 



1. Toes webbed. 10. Bombinaxorid^. 



h. No maxillary teeth. 



aa. Ear imperfectly developed. BRACHYCEPHALINA. 



a. No paratoids, 



(aa. Sacral vertebra not dilated ?) 

 /3/3. Sacral vertebra dilated. 



1. Toes webbed. 11. Phryniscid^. 



2. Toes free. 12. Brachycephalid^. 



hh. Ear perfectly developed. BUFONINA. 

 a. No paratoids. 



(aa. Sacral vertebra not dilated ?) 

 ^/3. Sacral vertebra dilated. 



1. Toes webbed. 13. Rhinodermatid^. 



2. Toes free. 14. Engystomatid^. 



/3. "With paratoids. 



(a a. Sacral vertebra not dilated ?) 

 ^/3. Sacral vertebra dilated. 



1. Toes webbed. 15. Bufonid^. 



