74 REPTILES. 



3. IXALUS. 



No vomerine teeth. No larger gland. Fingers quite free ; toes 

 more or less webbed. Tympanum distinct ; eustachian tubes mode- 

 rate ; tongue elongate, free and deeply notched behind. Sacral ver- 

 tebra not or veiy slightly dilated. Males with two (external) vocal 

 sacs. East Indies. 



Ixalus, Dimi. 8)- JBibr. viii. p. 523. 

 Orcliestes, Tsclmcli, Batr. p. 76. 

 Ilyla, sp., Schlcgel, Ahhild. p. 27. 



1. Ixalus aurifasciatus. 



Hyla aurifasciata, ScJileg. I. c. t. 9. f. 4. 

 Orchestes aurifasciatus, Tschudi, I. c. 

 Ixalus aurifasciatus, Duni. ^ Bibr. I. c. 



Toes not quite half- webbed ; back with only a few scattered very 

 small tubercles. Head black, with a yellowish cross-band. Back 

 greyish, with two darker, broad, cui'ved bands ; legs Avith blackish 

 cross-bands. 



a. Adult. Java. From the Leyden Museum. 

 h. Adult : not good state. Java. From Mr. Parrey's Collection, 

 c, d. Adult male and female. Ceylon. From Mr. Cuming's Col- 

 lection. 



2. Ixalus variabilis. (Plate IV. fig. A. B.) 



Disks of fingers rather large ; skin of back quite smooth. Toes 

 two-thirds webbed ; above uniform or with reddish-grey spots ; no 

 cross-bands on the sides. 



Var. A. Above uniform bluish grey ; beneath whitish, on the sides 

 and on the hinder parts of the thighs variegated with white (fig. A). 



a. Adult female. Ceylon. From Mr. Cuming's Collection. 



h-e. Adult and half-grown females. Ceylon. From Mr, Cuming's 



Collection. 

 /. Adult female : skeleton. Ceylon. From Mr. Cuming's Collection. 

 f). Adult female. Ceylon. From Mr. Ciuning's Collection. 

 h. Adult. Ceylon. From Mr. Cuming's Collection. 



Var. B. Above olive, with large brownish -grey, blackish -edged 

 spots ; a cross-band of the same colour between the eyes ; extremities 

 with cross-bands; no cross-band on the side; beUy whitish (fig. B). 



i. Adult female. Ceylon. From Mr. Cuming's Collection. 



Var. C. Above olive, variegated with brown ; a narrow white hue 

 from the muzzle to the anus ; lower legs with obsolete transverse 

 undulated hnes ; beUy uniform whitish. 



Tc. Adult female. Ceylon. From Mr. Cuming's Collection. 



