70 



Records of the Indian Museum. 



[Vol. XX, 



29 Rana tibctana» 



Rana tibeiana. Bouleng., Arm. and Mag. N.N. (8) XX, 1917, p. 414. 



Vomerine teeth in small oblique groups between the choanae 

 and extending a little beyond the level of their posterior borders. 



Head much broader than long, much depressed; snout round- 

 ed, scarcely projecting beyond the mouth, shorter than the eye; 

 canthus rostralis distinct ; loreal region very oblique, concave ; 

 nostril nearer the eye than the end of the snout ; the distance be- 

 tween the nostrils greater than the interorbital width, which is 

 much less than that of the upper eyelid ; tympanum distinct, !\ the 

 diameter of the eye and twice its distance from the latter. 



Fingers obtuse, first slightly longer than the second, third longer 

 than the snout; subarticular tubercles moderately large, moder- 

 ately prominent. 



Hind limb moderately long, the tibio-tarsal articulation reach- 

 ing the anterior border of the eye, the heels strongly overlap- 

 ping when the limbs are folded at right angles to the body ; tibia 

 3| times as long as broad, twice in length from snout to vent, a 

 little longer than the foot, a little shorter than the fore limb. 

 Toes with the tips swollen into small discs, entirely webbed ; sub- 

 articular tubercles moderately large, moderately prominent; a 

 very distinct tarsal fold ; inner metatarsal tubercle narrow, feebly 

 prominent, f the length of the inner toe ; no outer tubercle. 



Upper parts rough with granules and numerous round or oval 

 warts tipped with black horny spinules ; a feeble fold across the 

 head, behind the eyes ; a strong glandular fold from the eye to the 

 shoulder; lower parts smooth. 



Brown above with numerous ill-defined dark spots on the back 

 and cross-bars on the limbs, the larger warts lighter; a light 

 cross-bar between the eyes ; lips with dark vertical bars. Lower 

 parts brownish, throat and limbs mottled with brown. 



Male with internal vocal sacs ; arm.s thick , breast with black 

 horny spines ; similar spines, but more crowded, on the inner meta- 

 carpal tubercle and on the upper surface of the two inner fingers. 



Measurements in inillimetres. 



From snout to vent 



Head 



Width of head . . 



Snout 



Eye 



Interorbital width 



Tympanum 



Pore limb 



First finger 



Second finger . . 



Third finger 



Fourth finger . . 



Hind limb 



Tibia 



Foot 



Third toe 



Fourth toe 



Fifth toe 



61 



18 

 25 

 5 

 7 

 3' 

 4 

 33 

 6 



5- 



9 



6 



92 



30 



22, 



14 

 20 



14 



