1020.] G. A. BOULENGER : Frogs of the Gouts Rana. 



175 



little exceeds the interorbital width, or that of the upper eyelid ; 

 tympanum very distinct, ? to V the diameter of the eye and i^ 

 to 2 times its distance from the latter. 



Fingers rather long, terminating in small disc?, which are 

 longer than broad and divided by a groove into an upper and a 

 lower portion ; first finger as long as or a little longer than the 

 second, third much longer than the snout; subarticular tubercles 

 moderately large, moderately prominent. 



Hind limb long; tibio-tarsal articulation reaching the tip of 

 the snout or a little beyond ; heels overlapping when the limbs are 

 folded at right angles to the bod}' ; tibia 4 to 5 times as long as 

 broad, li to i,' times in length from snout to vent, as long as or a 

 little shorter than the fore limb, slightly or a little longer than the 

 foot. Toes ending in small discs, same as those of the fingers, 

 webbed to the discs; subarticular tubercles rather small, moder- 

 ately prominent ; no tarsal fold ; inner metatarsal tubercle rather 

 small, feebly prominent, I to '-. the length of the inner toe; no 

 outer tubercle. 



Back finely areolate or granulat?, sides often with large flat 

 warts; males with minute white spinose tubercles on the sides. 

 I.ower parts smooth. 



Olive above, with large roundish brown spots, the ground colour 

 sometimes forming a mere network between them ; sides with 

 black spots; limbs with numerous dark cross-bands ; hinder side of 

 thighs yellow, spotted or marbled with black. Lower parts white, 

 throat sometimes marbled with brown. 



Males with internal vocal sacs ; fore limb much thickened, the 

 inner finger with a large pad, covered, during the breeding season, 

 with a \-elvety grey horny layer. 



Nasals small and widely sepaj'ated from each other and from 

 the frontoparietals ; upper part of ethmoid largely uncovered 

 anteriorly. 



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 finger 



Hind limb . . 



Tibia 



Foot 



Third toe . . 



Fourth toe 



Fifth toe . . 



I. Hotha Valley, Yunnan (type). 

 Kuatun, N.-W. Fokien. 5 Foochow. 



