74 REPTILES. 



3. IXALUS. 



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

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

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

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

 sacs. East Indies. 



Ixaliis, Dum. ^- Bibr. viii. p. 523. 

 Orcliestes, Tschudi, Batr. p. 76. 

 Hyla, sp., Schlegel, Ahhild. p. 27. 



1. Ixalus aurifasciatus. 



Hyla aurifasciata, Schleg. 1. c. t. 9. f. 4. 

 Orchestes aiu'ifasciatus, Tschudi, I. c. 

 Ixalus aurifasciatus, Dum. l^ Bibr. I. c. 



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

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

 greyish, with two darker, broad, curved bands ; legs with blackish 

 cross-bands. 



a. Adult. Java. From the Leyden Museum. 

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

 c, cl. Adiilt 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-thixds webbed ; above unifomi or with redchsh-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. Cuming's Collection. 

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



Var. B. Above olive, with lai'ge 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; belly whitish (fig. B). 



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



Var. C. Above olive, variegated with bro-mi ; a narrow white line 

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

 undulated hues ; belly unifonn whitish. 



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



