1370.] Indian and Malayan Amphibia and Reptilia. 143 



other, in those with somewhat broader snout, the interspace between 

 the dental ridges is more or less widened. As regards the pro - 

 portions of the length of the legs compared with those of the 

 body, the Arracan and Eangoon specimens are the most true to the 

 type ; the legs being stout and the distance from the anus to the 

 metatarsal tubercle equal to, or very little longer than, the length 

 of the body ; the toes are half webbed, but in young specimens the 

 webbing appears a little stronger, because the toes are thin and 

 of moderate length, while in old ones, the fourth toe especially is 

 much elongated, and more so in the males than in the females. 



In several specimens from the neighbourhood of Moulmein and 

 some others, obtained near the coast at Penang, the distance between 

 the anus and the metatarsal tubercle is conspicuously* more than 

 the length of the body, the difference amounting to about ^th 

 of the length of the body, the specimens are also a little more 

 slenderly built, but no other specific difference exists, except 

 that in some specimens, the toes are conspicuously slender and 

 elongated, so as to make the webbing appear to be still less than in 

 Arracan specimens. 



a. As variety AndamanensiS may be distinguished, the form 

 occurring on the Andamans. I have examined four specimens from 

 Port Blair. Of the smallest the body is about one-third of an 

 inch long, of the two next above one inch, and of the fourth 2^rd 

 inches. In all the specimens the snout appears a little shorter 

 and more obtuse than in typical gracilis, and the hind feet are 

 decidedly more slender, and proportionately longer than in that 

 form. In the first specimen the difference is equal to yth 

 of the length of the body, in the two of middle size it is -Jth 

 in one and a little less than ith in the other, in the large 

 specimen it is very nearly -|th ; one of the specimens has a thin 

 vertebral streak, the others none ; the chin and breast are spotted 

 with black, mostly conspicuous in those of median size. 



The rest of the characters and the coloration remains true to 

 the type, except perhaps the webbing of the toes, appearing to 



* In one specimen, noted in the list of measurements as e, the feet are pro- 

 portionately very long, but they are not slender to the same extent, as they are 

 in the Andaman variety. 



