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



Measurements in millimetres. 



From snout to vent 



Head .. 



Width of head . . 



Snout 



Eye . . 



Interorbital width 



Tympanum 



Fore limb 



First finger 



Second finger 



Third finger 



Fourth fiiger 



Hind limb 



Tibia 



Foot 



Third toe 



Fourth toe 



Fifth toe 



First toe 



Inner met. tubercle 



I. Simla. 2—6. Madras (types of Spkaerotheca strigata). 7 — 8. Malabar. 

 9 — 10. Trevandrum, Travancore. 11. Trincomalee, Ceylon. 12 — 16. Ceylon. 

 17. North Chin Hills, Upper Burma. 



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

 plains in Southern India. 



50. Rana dobsonii. 



Raiia dobsonii, Bouleng., Cat. Batr. Ecaud. p. 32, pi. iii, fig. 1 1 1882), and 

 Faun. Ind.. 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 ej'e ; 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; tj-mpanum 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 Hmbs are folded at 

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

 2s 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 



