4. DTLA. 345 



d. Outer fingers perfectly free. 



a. Vomerine teeth in the middle between the ehoanas, 

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



Tympanum hidden ; toes entirely webbed ; 



skin of upper surfaces shagrcened 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. 



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

 the choana?; or beyond the latter. 

 Vomerine teeth opposite the posterior mar- 

 gin of the choana? 55. pulchrUineata, 



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



choana? ; tympanum hardly visible ; toes 



not quite half webbed 98. pickeringu, 



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



choana? ; toes three-fourths webbed .... 104. punctariola, 

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



choana? ; toes about half webbed ; back 



warty 108. sjnlomma, 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 eye ; toes webbed 



at the base only 102. gmcilipes, 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 



in ally (lie tip of the snout; tympanum 



overhung by a thick dermal fold 105. bistincta, 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 



tin 1 eye 109. acuminata, p. 403. 



Tympanum about half the diameter of tho 



eye; toes three-fourths webbed; tibio- 



tarsal articulation reaching between the 



eye and the tip of the snout; snout once 



