4. HYLA. 341 



a. The web reaching the disks of the second and fourth 

 fingers. 



Vomerine teeth between the ohoanae ; tym- 

 panum very small, rather indistinct • the 

 web not reaching the disk of third finger 69. pulverata, p. 386. 



Vomerine teeth between the choansB ; tym- 

 panum very distinct, about half the dia- 

 meter of the eye ; the web not reaching 

 the disk of third finger ; forearm and 

 tarsus with a denticulated fringe 79. senicula, p. 391. 



Vomerine teeth on a level with the hinder 

 edge of the choanae ; tympanum very dis- 

 tinct, two thirds the diameter of the eye ; 

 the web reaching the disk of third finger ; 

 forearm and tarsus with a denticulated 

 fringe : . . . 80. marmorata, p. 391. 



Vomerine teeth a little behind the level of 

 the choanse ; tympanum very distinct, 

 nearly two thirds the diameter of the eye ; 

 the web not reaching the disk of third 

 finger; skin thick, leathery, minutely 

 pitted ' 35. coriacea, p. 367. 



Vomerine teeth between the choanse ; tym- 

 panum distinct, half the diameter of the 

 eye ; the web not reaehing the disk of 

 third finger ; tibio-tarsal articulation 

 reaching the tip of the snout 43. salvini, p. 372. 



/3. The web not reaching the disks of the second and 

 fourth fingers. 



* Vomerine teeth on a level with the hinder edge of 

 the choanse, or a little beyond the latter. 



Tympanum very distinct, half the diameter 

 of the eye ; tibio-tarsal articulation mark- 

 ing the front of the eye ; skin thick, mi- 

 nutely pitted 34. quadrangulum. 



Tympanum very small, indistinct; tibio- [p. 367. 



tarsal articulation marking the eye .... 68. albopunctulata. 



Tympanum one third the diameter of the ■ [p. 385. 



eye ; tibio-tarsal articulation reaching 

 the tip of the snout 71. mierops, p. 386. 



Tympanum about half the diameter of the 



eye ; snout pointed, much projecting . . 73. aurantiaea, p. 388. 



** Vomerine teeth in the middle between the choanse. 



Tympanum very distinct, less than half the 

 diameter of the orbit; fingers half webbed, 

 the disks^about as large as the tympanum. 42. gdbhii, p. 372. 



