1920.] G. A. BouLENGER : Frogs of the Genus Rana. 105 



Measurements in millimetres. 



Habitat. India, Ceylon, and Upper Burma. Restricted to the 

 plains in vSouthern India. 



50. Rana dobsonii. 



Nana dobsonii, Bouleng., Cat. Bafr. Ecaiid. p. ;i,2, pi. iii, fig. i (1882), and 

 Faun, hid., Rept. p. 452 (1890). 



Vomerine teeth in strong, short oblique series between the 

 choanae, nearer to each other than to the latter. 



Habit stout, toad-like. 



Head convex, broader than long ; snout rounded, not pro- 

 jecting, as long as the eye ; canthus rostralis obtuse ; loreal 

 region oblique, feebly concave; nostril equidistant from the eye 

 and from the tip of the snout ; distance between the nostrils a 

 little greater than the interorbital width, which is f that of the 

 upper eyelid; tympanum distinct, vertically oval, about f the 

 diameter of the eye. 



Fingers rather short, obtuse, first much longer than the 

 second, as long as the third, which is a little longer than the snout ; 

 subarticular tubercles very large, very prominent. 



Hind limb very short, the tibio-tarsal articulation reaching 

 the shoulder, the heels meeting when the limbs are folded at 

 right angles to the body ; tibia 3 times as long as broad, 2f to 

 2f times in length from snout to vent, much shorter than the 

 fore limb, a little shorter than the foot. Toes rather short, obtuse, 

 with a slight rudiment of web ; outer metatarsals united ; sub- 

 articular tubercles small, prominent ; no tarsal fold ; inner metatar- 

 sal tubercle large, strongly compressed, inserted obliquely at the 



