414 i\Ir. G. A. Boulenger on new 



Rana tihetana. 



Vomerine teeth in small oblique groups between the 

 clioanpe and extending a little beyond the level of their poste- 

 rior borders. Head much broader tlian long, mucli depressed ; 

 snoLit rounded, shorter than the eye, scarcel}'' projecting 

 beyond the mouth ; canthus rostralis distinct ; loreal region 

 very oblique, concave; interorbital region much narrower 

 til an the upper eyelid ; tympanum distinct, | the diameter of 

 the eye. Fingers obtuse, iirst shghtly longer than second ; 

 subarticular tubercles moderate. Hind limb moderately 

 long, the tibio-tarsal articulation reaching the anterior border 

 of the eye, the heels strongly overlapping when the limbs 

 are folded at right angles to the body ; tibia twice in length 

 from snout to vent. Toes with the tips swollen into small 

 disks, entirely webbed ; subarticular tubercles moderate ; a 

 very distinct tarsal fold ; inner metatarsal tubercle narrow, 

 feebly prominent, ^ 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, witii 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; arms thick; 

 breast with black horny spines ; similar spines, but more 

 crowded, on the inner metacarpal tubercle and on the upper 

 surface of the two inner fingers. 



From snout to vent Gl mm. 



A single male specimeir from Yin tsin wau, Wassu State, 

 Tibet. 



Distinguished from R. gammiei\ And., by the distinct 

 tympanum, the presence of a tarsal fold, the larger metatarsal 

 tubercle, and the presence of vocal sacs; from R.fece^ Blgr., 

 by the swollen tips of the toes and the distinct canthus 

 rostralis ; from R. yunnanensU, And., by the less prominent 

 metatarsal tubercle {jide Anderson) ; from R. rugosa, Schleg., 

 by the broader head, the larger metatarsal tubercle, and tlie 

 presence of vocal sacs. 



Rana macrognathus. 



I now regard as deserving specific distinction the frog 

 from Upper Burma referred by me to R. dorice^ Blgr. (Ann. 

 Mus. Geneva, [9] xiii. 1893, p. 328, pi. viii. fig. 1), the 



