4. HTIA. 



347 



B. ringers free or webbed at the base. 



1. Vomerine teeth behind the level of the choanae. 



Vomerine teeth in two very small groups ; 

 fingers with a distinct web ; toes three- 

 fourths webbed ; uniform greenish above. 61. ^Jiyllochroa, 



Vomerine' teeth in two groups close to- [p. 382. 

 gether ; fingers free or with a slight 

 rudiment of web ; toes two-thirds or 

 three-fourths webbed; tibio-tarsal arti- 

 culation not reaching the e3'e 112. rubella, p. 405. 



As in the preceding, but avery distinct web 



between the fingers 113. congenita, p. 406. 



Vomerine teeth arranged in two small 

 arches ; fingers webbed a,t the base ; 

 toes three-fourths webbed; tibio-tarsal 

 articulation not reaching the eye 114. dentafa, p. 406. 



Vomerine teeth in two oblique groups ; 

 fingers free ; toes half webbed ; tibio- 

 tarsal articulation reaching between the 

 eye and the tip of the snout 119. citropus, p. 408. 



Vomerine teeth in two round groups; 

 fingers free ; toes entirely webbed ; tibio- 

 tarsal articulation reaching beyond the [p. 412. 

 tip of the snout 125. ohtusirostris. 



■2. Vomerine teeth between, or on a level with the front 

 edge of, the choanse. 



a. No outer metatarsal tubercle. 



a. Toes half or two -thirds webbed. 



Tympanum half or three fifths the diameter 

 of the eye ; fingers with a slight rudiment 

 of web ; tibio-tarsal articulation not reach- 

 ing beyond the eye 115. ewingii, p. 406. 



Tympanum one third the diameter of the 

 eye ; vomerine teeth hardly distinguish- 

 able 117 



Tympanum half the diameter of the ej'^e ; 

 snout not longer than the eye ; canthus 

 rostralis rounded ' 120 



Tympanum half the diameter of the eye ; 

 snout a little longer than the eye ; can- 

 thus rostralis distinct ; tibio-tarsal articu- 

 lation reaching beyond the tip of the 

 snout 121. imjmra, p. 409, 



Tympanum half the diameter of the eye ; 

 ■ snout slightly longer than the diameter 



parvidens, p. 407. 



thesaurensis, 

 [P- 



409. 



