543 



Tadpoles. — Eyes lateral or superior. Splraculum sinistral. 

 Vent dextral, at some distance above the lower edge of the 

 subcaudal crest. Upper crest of tail not extending beyond 

 base of tail. Mouth normal; papillae absent along the upper 

 border of the upper lip; series of teeth 4 to jjt,. 



Distribution: Madagascar; E.- and S.E.-Asia; western 

 part of the Indo-Australian Archipelago, including Celebes. 



Synopsis of the Spe 



A. Fingers free. Back with rough warts i. 



B. Fingers webbed at the base. 



I. Tympanum more than half the width of 

 the eye. 



1. A bony crest above the tympanum. . . . 



2. Head without crests. 

 a. Tympanum smaller than the eye. 



oc. Skin of the head coossified with the 



skull 



/3. Skin of the head not ossified .... 



<5. Tympanum as large as the eye 



II. Tympanum not more than half the width 

 of the eye. 



1. The heel reaches a little beyond the tip 

 of the snout, with a tubercle 



2. The heel reaches far beyond the tip of 

 the snout, with a tubercle 



3. The heel reaches far beyond the tip of 

 the snout, without tubercle 



C. Fingers (at least the outer ones) '/3 webbed, or 

 more, the web not reaching disk of third finger. 



I. Head with four spine-like processes 



II. Head smooth. 



1. Heel with dermal appendage. 



a. The heel leaches beyond the tip of the 

 snout 10 



l>. The heel does not reach beyond the 

 tip of the snout. 



X. Outer fingers '/a webbed 



/3. Outer fingers '/j webbed 



7. Outer fingers about 2/^ webbed , 

 J. Fingers nearly entirely webbed . 



2. Heel without dermal appendage. 



cies. 



Hh. leprosus p. 244. 



2. Rh. otilophus p. 245. 



Rh. leucoinystax p. 246, 249. 

 Rh. colletti p. 250. 

 Rh. macro /is p. 251. 



Rh. everetti p. 251. 

 Rh. niacroscelis p. 252. 

 Rh. hosii p. 253. 



9. Rh. georgii p. 253. 



Rh. javanus p. 254. 



Rh. appendiciilatus p. 255. 

 Rh. poecilonottis p. 256. 

 Rh. bifas'ciatus p. 257. 

 Rh. dulitensis p. 258, 



