70 



Records of the Indian Museum. 



[VOL. XX, 



29 Rana tibetana. 



Rana tibetana. Bouleng., A)in. and Mag. N.H. (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: 

 cantluis 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 &y& 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 moderatelj' 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 e3'es ; 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 hght 

 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 millimetres. 



From snout to vent 



Head 



Width of head . . 



Snout 



Eye 



Interorbital width 



Tympanum 



Fore hmb 



First iinger 



Second finger . . 



Third finger 



Fourth finger . . 



Hind limb 



Tibia 



Foot 



Third toe 



Fourth toe 



Fifth toe 



61 

 18 

 25 



5 



7 



3'5 



4 

 3i 



6 



5-5 



9 



6 

 92 

 30 



2S 



