36 MR. G. A. BOULENGER ON REPTILES, [Jail. 14, 



52. Naia bungarus, Schleg. I. 

 Up to 13 feet long. 



53. Amblycephalus carinatus, Reinw. I. 



54. Trimeresurus formosus, Schleg. I. 



55. Trimeresurus wagleri, Schleg. I. 



56. Trimeresurus purpureomaculatus, Gray. I. 



A single adult specimen, belonging to the var. carinntus. Gray. 

 Uniform green above, the interstitial skin purplish brown ; a series 

 of whitish spots along the outer series of scales ; lower parts uni- 

 form pale greenish. Scales in 27 rows; 15 scales in a transverse 

 series between the supraoculars ; ventrals 161 ; subcaudals 64. 



BATRACHIA. 



1. Rana macrodon, Kubl. M., I. 



2. Rana tigrina, Daud. I. 



3. Rana limnocharis, Wgm. M. 



4. Rana erythr^a, Schleg. I. 



5. Rana nicobariensis, Stol. M. 



6. Rhacophorus leucomystax, Gravh. M. 



7. EhACOPHORUS COLLETTI, Sp. 11. I. 



Vomerine teeth in two oblique series commencing at the inner 

 front edge of the choanse, which are very large. Head as long as 

 broad ; skin of head free, smooth ; snout triangular, a little longer 

 than the diameter of the orbit ; cantbus rostralis angular ; loreal 

 region oblique, slightly concave ; nostril near the tip of the snout ; 

 interorbital space a little broader than the upper eyelid; tympanum 

 very distinct, three fourths tbe diameter of the eye. Fingers long, 

 with a slight rudiment of web ; toes nearly entirely webbed ; disks 

 of fingers about half the size of the tympanum, of toes smaller ; 

 subarticular tubercles moderate ; a very small inner metatarsal 

 tubercle. Hind limbs very long ; the femoro-tibial articulation 

 reaches the fore limb and tbe tibio-tarsal far beyond the tip of the 

 snout ; tibia two thirds the length of head and body. Skin smooth, 

 granular on the belly and under the thighs. Grey above, loreal 

 region and sides of body lighter ; lips with a fine blackish edge ; 

 limbs with dark cross-bands ; anal region blackish, with a white 

 edge above ; lower parts whitish. 



From snout to vent (i2 millim. 



A single female specimen from Langkat. 



This species is closely allied to R. leucomystax, but differs in the 

 much longer hind limbs. 



