1 66 



the upper eyelid. Male with small 



external vocal sacs 34. R. jerboa p. 208. 



d. Dorsolateral fold broader. Heel reaching 



tip of snout (43. R. erythraea p. 222). 



2. First finger not extending beyond second. 



a. Disks less than x \ 2 diameter of tympanum. 



a. Heel reaching tip of snout 43. R. erythraea p. 222. 



j3. Heel reaching far beyond tip of snout. (34. R. jerboa p. 208). 



b. Disks of third finger at least about '/ 2 

 diameter of tympanum, of second finger 

 much smaller. 



x. Toes webbed to the disks 40. R. hosii p. 215. 



/3. Two phalanges of fourth toe free 



from web 41. R. chakonota p. 217. 



c. Disk of third finger { j 2 to 2 / 3 diameter 

 of tympanum, of second finger not much 



smaller 42. R. labialis p. 220. 



Synopsis of the Tadpoles. 



A. No sucking disk. 



I. Eyes lateral. Series of teeth 1/2 or 2/2 . . . 43. R. erythraea p. 222. 

 II. Eyes more or less superior. 



1. Series of teeth 1/2 45. R. nicobariensis} p. 224. 



2. Series of teeth 2 — 5/3, rarely 2/2. 



a. Series of papillae interrupted in the middle 



!I. R. limnocharis p. 167. 

 2. R. cancrivora p. 170. 



b. Series of papillae of lower lip not inter- 

 rupted. 



x. Body without granular patches, imma- 

 culate (tail sometimes dark spotted), 

 "f. Spiraculum nearer to the posterior 

 end of the body than to the tip 



of the snout. Series of teeth 2— 4/3. 29. R. papua p. 201. 

 ff. Spiraculum equally distant from tip 

 of snout and base of hind limbs. 



Series of teeth 2/2 — 3 6. R. modes (a p. 176. 



/3. Body without granular patches, with 

 dark markings. Series of teeth 2/3. 



f. Tail acutely pointed 5. R. tnacrodon p. 174. 



ft- Tail obtusely pointed 7. R. kuhli p. 178. 



y. Body with granular patches. Series of 

 teeth 3—5/3- 



