122 



Section III. Hylaplesina. 

 0. PLATYDACTTLA without maxillary teeth and with perfectly- 

 developed ear. 



Fam. 1. HYLiEDACTYLIDiE. 



Hylaplesina with webbed toes, dilated processes of sacral vertebra, 

 and without paratoids. 

 One genus. East Indies. 



1. KALOULA. 



Habit similar to Engystoma ; head rather small, with short muzzle ; 

 cleft of mouth rather narrow ; extremities rather short ; teeth none 

 in jaws or in palate, a sharp bony transverse ridge behind the 

 inner nostrils (? sometimes bearing very minute teeth : D. <Sf B.). On 

 the hinder part of palate two transverse, dentated, membranaceous 

 folds ; tongue oval, free and entire behind. Eustachian tubes round, 

 narrow ; tympanum indistinct ; paratoids none ; skin smooth, with 

 a few flat warts ; metatarsus -with two tubercles. Fingers four, 

 much dilated at the tip ; toes five, shghtly webbed, or with only a 

 rudimentaiy membrane, moderately dilated at the end. Males with 

 an internal subgular vocal sac. East Indies. 



Ilyladactylus, Tschudi, Batr. p. 85 ; Diim. ^ Bihr. viii. p. 732. 

 Plectropus, Dum. ^- Bihr. viii. p. 736. 

 Kaloula, Gray, Zool. Misc. 1831, p. 38. 



1. Kaloula baleata. 



Bombinator baleatus, Mull. Verhandel. Batav. Genotsch. Batav. 1836, 



p. 96. 

 Hyladactylus baleatus, Tschudi, Batr. p. 85 ; Dum. 8c Btbr. p. 734. 



Snout rather blunt and angular ; a conspicuous rudiment of a 

 mcmbraue between the toes. Unifonn brown, each joint of the 

 extremities with a pair of large white spots. 



a. Adult. Java. 



b. Adult. Java. From the Leyden Museum. 



c. d. Adult. Java. From the Leyden Museum. 



e. Adult. ? 



f. Adult: not good state. Ceylon? Presented by Sir- A. Smith. — 



Brownish black; above marbled with black, beneath with 

 white; no white spots at the joints. — Perhaps a distinct 

 species. 



Var. Hylsedactylus celebensis. Belly dark brown, like back ; 

 white spots not much conspicuous. 



g. Adult. India. From Mr. Parrey's Collection. 



h. Half-growTi. India. From the Levden Museum. 



