344 HTLID*. 



Tympanum half the diameter of the eye ; 



toes twoTthirds wehbed ; snout prominent. 52. nasica, p. 376. — 

 Tympanum about one third the diameter of 



the eye ; skin of upper surfaces minutely 



corrugated ; 56. andersonii, p. 378. 



Tympanum half the diameter of the eye ; 



tibio-tarsal articulation reaching the tym- 

 panum or the posterior border of the eye ; 



toes not more than half webbed 57. eximia, p. 378."-^^ 



Tympanum hidden ; a claw-like rudiment 



of poUex 89. guatemalensis, 



Tympanum much smaller than the eye; toes [p. 396. 



half webbed ; disks large 93. nehulosa, p. 397.-~- 



Tympanum hardly distinct, two fifths the 



diameter of the eye ; tibio-tarsal articu- 

 lation reaching beyond the tip of the snout 94. labialis, p. 397. 

 Tympanum half the diameter of the eye ; 



tibio-tarsal articulation reaching nearly 



the tip of the snout ; toes half webbed ; 



hinder side of thighs uniform 96. sqtiirella, p. 398. 



Tympanum half the diameter of the eye ; 



hinder side of thighs black, white-spotted. 97. femoralis, p. 398. 

 Tympanum half the diameter of the eye ; 



tibio-tarsal articulation reaching between 



the eye and the tip of the snout ; head 



much depressed ; canthus rostralis very 



indistinct 106. depressiceps, 



Tympanum more than half the diameter of [p. 402. 



the eye; tibio-tarsal articulation reaching 



beyond the tip of the snout 107. phceota, p. 402. 



/3. Vomerine teeth on a level with the hinder edge of 

 the choanae, or slightly beyond the latter. 



Tympanum half the diameter of the eye ; 



tibio-tarsal articulation reaching the eye ; 



toes half webbed 47. regilla, p. 374. 



Tympanum about half the diameter of the 



eye ; tibio-iarsal articulation reaching 



beyond the tip of the snout ; toes two- 

 thirds or three-fourths webbed 50. pulchella,^.Z1b. — 



Tympanum nearly half the diameter of the 



eye ; tibio-tarsal articulation reaching 



the eye ; toes half webbed ; a distinct 



rudiment of pollex 88. hractealor, p. 395. 



Tympanum two thirds the diameter of the 



eye; toes three-fourths webbed; canthus 



rostralis rounded 95. auraria, p. 397. ■~ 



