4. HYLA. 347 



li. Fingers 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. phyllochroa, 



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

 gether ; fingers free or with a slight 

 rudiment of web ; toes two-thirds or 

 three-fmrths webbed ; tibio-tarsal arti- 

 culation not reaching the eye 112. ruhella, p. 405. 



As in the preceding, but a very distinct web 



between the fingers 113. congenita, p. 406. 



Vomerine teeth arranged in two small 

 arches ; fingers webbed at the base ; 

 toes three-fourths webbed ; tibio-tarsal 

 articulation not reaching the eye 114. dentata, 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. 

 klip of the snout 125. obtusirostris, 



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

 edge of, the choanas. 



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. eviingii, p. 406. 



Tympanum one third the diameter of the 

 eve ; vomerine teeth hardly distinguish- 

 able 117. parvidens, p. 407. 



Tympanum half the diameter of the eye; 

 snout not longer than the eye ; canthus 

 rostralis rounded 120. thesaurensis, 



Tympanum half the diameter of the eye ; [p. 409. 



' snout a little longer than the eye; can- 

 thus rostralis distinct : tibio-tarsal articu- 

 lation reaching beyond the tip of the 

 snout 121. impura, p. 409. 



Tympanum half the diameter of the eye ; 

 snout slightly longer than the diameter 



