i66 



the upper eyelid. Male with small 



external vocal sacs 34. /". jerboa p. 208. 



d. Dorsolateral fold broader. Heel reaching 



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



2. First finger not extending beyond second, 

 fl. Disks less than '/j <ii^i"c'^^'" of tympanum. 



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



/3. Heel reaching far beyond tip of snout. (34. R. Jerboa p. 208). 



b. Disks of third finger at least about 1/2 

 diameter of tympanum, of second finger 

 much smaller. 



a. Toes webbed to the disks 40. A*, hosii p, 215. 



/3. Two phalanges of fourth toe free 



from web ^i. R. chakoiiota p. 217. 



c. Disk of third finger '/g '^o 2/^ 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. crythraca 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 I. ^. limnocharis p. 167. 



of the lower lip. Series of teeth 2/3 . . < 



I 2. R. cajjcrwora p. 170. 



b. Series of papillae of lower lip not inter- 

 rupted. 



ct. Body without granular patches, imma- 

 culate (tail sometimes dark spotted). 

 ■\. 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. 

 tf. Spiraculum equally distant from tip 

 of snout and base of hind limbs. 



Series of teeth 2/2 — 3 



/3. Body without granular patches, with 

 dark markings. Series of teeth 2/3. 



f. Tail acutely pointed 



ff. Tail obtusely pointed 



y. Body with granular patches. Series of 

 teeth 3—5/3- 



6. R. modest a p. 176. 



5. R. macrodon p. I74- 

 7. R. ktihli p. 178, 



