I. Vomerine teeth present. Two transverse dermal 



ridges in front of the pharynx. Toes free ... I. Liophryne p. IOO. 

 II. Vomerine teeth none. 



1. A dermal ridge behind the choanae and 

 two other ones in front of the pharynx. 



Toes webbed 2. Calophrynus p. 102. 



2. No dermal ridge behind the choanae, one 

 or two in front of the pharynx. 



a. Tips of fingers and toes dilated. Toes free 

 or webbed. 



cc. The clavicle reaches the scapula. . . 3. Sphenophryne p. 104. 

 /3. The clavicle does not reach the scapula. 4. Oreophryne p. no. 



b. Tips of fingers not, of toes slightly dilated. 



Toes free. No clavicles 5. Microbatrachus p. 121. 



c. Tips of fingers and toes not dilated. Toes 



free. Clavicles present 6. Oxydactyla p. 122. 



B. Procoracoids and clavicles absent. 

 I. Pupil vertical. 



1. Each palatine bone with a series of teeth. 7. Callulops p. 123. 



2. Palate toothless 8. Gastrophryne p. 1 24. 



II. Pupil circular or horizontal. 



1. No dermal ridges across the palate. Toes 



webbed 9. Phrynella p. 124. 



2. One or two transverse dermal ridges across 

 the palate, in front of the pharynx. 



a. Each palatine bone with one or two large 



tooth-like processes IO. Xenobatrachus p. 126. 



b. Palate unarmed. Tympanum more or less 

 distinct. 



ot. Toes free. One dermal ridge across 

 the palate. 



f. Tongue large, circular, perfectly 



attached behind II. Xenorkina p. 131. 



\\. Tongue large, circular, slightly 



free behind 12. Asterophrys p. 133. 



Iff. Tongue small, oval, extensively 



free behind 13. Copiula p. 1 34. 



maxillary bones united with each other in front of the prae-maxillaries ; 2. Eteuthe* 

 rognathinae: maxillary bones not united. As, however, this character is only known 

 for a small part of the genera, it cannot yet be used for a division of the 

 Brevicipitinae. To the Symphygnathinae belong after v. Mehely : Hylophorbus part. 

 {Mcuitophryne, Gnathophryne) and Xenorhina, to the Elcutherognathinae: Hylo- 

 phorbus part. {Metopostira % Phrynixaliis)^ Copiula^ Sphenophryne and Oreophryne. 



