440 



EANID^. 



rounded warts ; toes with 



distinctly swollen tips li. macrudon, p. 448. 



/3'. Skin very warty above ; tibio-tarsal 

 articulation reaching end of 



snout R. verrucom, p. 448. 



■)/'. Skin of back with longitudinal folds. R, tiijrma,-^. 449. 

 v. Toes not more than half webbed. 

 . Inner metatarsal tubercle shorter 

 than inner toe ; belly smooth. 

 o'. Inner metatarsal tubercle not more 



than half length of inner toe. . R. limnocharis, p. 4-'J0. 

 /3'. Inner metatarsal tubercle more 



than half length of inner toe. . R. rufesceas, p. 4oI. 

 /3. Inner metatarsal tubercle very large, 

 compressed, longer than inner toe; 

 belly granulate. 

 a . First finger extending much be- 

 yond 2ud ; tympanum about 



half size of eye R. bi-eviceps, p. 451. 



/3'. First linger extending much be- 

 yond 2nd; tympanum at least 

 two thirds size of eye ; toes 

 hardly one-third webbed .... R. dobsonii, p. 452. 

 y . First and second fingers equal ; 



tympanum as large as eye .... R. strachani, p. 452. 

 c. Toes dilated into very distinct disks ; a 

 free conical papilla on middle of tongue. 

 a' . Toes at least half webbed. 



a". First finger not extending as far as 



2nd R. leithii, p. 453. 



b" . First finger extending slightly be- 

 yond 2nd. 

 a. Toes two-thirds webbed; tym- 

 panum two-thirds diameter of eye R. beddomii, p. 453. 

 /3'. Toes half-webbed; tympanum as 



large as eye R. semipalmata, p. 454. 



b' . Toes one-third or one-fourth webbed ; 

 1st finger not extending quite so far as 

 2nd. 

 a" . Head nearly smooth ; back with short 



glandular folds ; no lumbar spot . . R. leptodnctyla, p. 454. 

 h" . Head ueaily smooth ; back with short 



glandular folds ; a black lumbar spot. R. diplosticta, p. 455. 



c" . Upper surfaces very warty R. pknjnudermu, p. 455. 



B. A glandular fold along each side of back ; 

 tj^mpanum very distinct ; digits more or less 

 distinctly dilated at end. 

 a. Toes not or hardly two-thirds webbed. 

 a. An outer metatarsal tubercle (at base of 

 fourth toe). 

 a" . Skin smooth above ; tibio-tarsal 

 articulation reaching tip of snout, or 

 beyond. 

 o. Foot at least as long as distance 



between tympanum and vent. . . . R. macrodactyla, p. 455. 

 j3. Foot shorter than distance between 



tympanum and vent R. gracilis, p. 456. 



