4. HYI.A. 345 



d. Outer fingers perfectly free. 



a. Vomerine teetik in the middle between the choanse, 

 or on a level with the front edge of the latter. 



Tympanum hidden ; toes entirely webbed ; 



skin of upper surfaces shagfeened 90. crassa, p. 396. 



Tympanum one third the diameter of the 

 eye ; toes half webbed ; snout not pro- 

 jecting 91, plicata, p. 396. 



Tympanum nearly as large as the eye ; toes 

 webbed at the base only ; two bony spines 

 above the tympanum 92. spinosa, p. 396. -^ 



j3. Vomerine teeth on a level with .the hinder edge of 

 the choanse, or beyond the latter. 



Vomerine teeth opposite the posterior mar- 

 gin of the choansB 55. pulchrilineata. 



Vomerine teeth just behind the level of the [p. 378. 



choanse ; tympanum hardly visible ; toes 



not quite half webbed 98. picJcerinffii, 



Vomerine teeth behind the level of the [p. 399. 



choanse ; toes three-fourths webbed .... 104. punctariola, 

 Vomerine teeth behind the level of the [p. 401. 



choanse ; toes about half webbed ; back 



warty 108. spilomma, p. 402. 



Tympanum one third the diameter of the 



eye ; toes half webbed ; snout projecting 99. curta, p. 399. 

 Tympanum one fourth or one fifth the dia- 

 meter of the eye; toes two-thirds webbed; 



tibio-tarsal articulation reaching the 



tip of the snout 100. elceochroa, p. 399. 



Tympanum larger than the ej'e; toes webbed 



at the base only 102. gracilipes, p. 400. 



Snout very prominent ; toes half webbed ; 



tibio-tarsal articulation marking the front 



of the orbit 103. staufferi, p. 400. 



Tympanum one fifth the diameter of the 



eye ; tibio-tarsal articulation reaching 



nearly the tip of the snout ; tympanum 



overhung by a thick dermal fold 105. histincta, p. 401. 



Tympanum somewhat more than half the 



diameter of the eye; toes three-fourths 



webbed; tibio-tarsal articulation reaching 



between the eye and the tip of the snout; 



snout twice as long as the diameter of 



the eye 109. acuminata, p. 403. 



Tympanum about half the. diameter of the 



eye ; toes three-fourths webbed ; tibio- 

 tarsal articulation reaching between the 



eye and the tip of the snout;- snout once 



