13. aONAIODES. 71 



17. Gonatodes jerdonii. 



Gymnodactylus jerdoni, Theobald, Cat. Rept. As. Soc. Mus. p. 31, 

 and Cat. Rept. Brit. Ind. p. 89. 



In habit similar to O. handianus and gracilis. Digits not elon- 

 gate, but -with rather large plates under the basal part, the distal 

 of these plates being the largest and longitudinally oval in shape. 

 Upper surfaces covered with uniform small granules, smooth on the 

 back, a little larger and keeled on the snout ; a few erect spine-like, 

 tubercles on the flanks. Eostral four-sided, nearly twice as broad 

 as high, with median cleft above; nostril pierced between the 

 rostral and three nasals ; eight to ten upper and seven or eight 

 lower labials ; mental large, triangular or pentagonal ; small chin- 

 shields passing gradually into the granules of the throat, which are 

 rather large, flat, and smooth. Yentral scales hexagonal, imbricate, 

 smooth. Males with five to twelve femoral pores on each side ; no 

 prseanal pores. Tail cylindrical, bapering, covered with small 

 smooth scales, in its basal half with a few scattered larger tuber- 

 cles ; median series of subcaudals enlarged. Grey-brown above, 

 clouded with darker ; the small lateral spines white ; sometimes a 

 black cervical spot ; whitish beneath, the throat sometimes brqwn- 

 dotted. 



Total length : . . . 72 millim. 



Head 11-5 



Width of head 8 



Body 31-5 



Fore limb 18 



Hind limb 23 



Tail (injured) 29 



Ceylon ; Southern India. 



18. Gonatodes littoralis. (Plate VI. fig. 6.*) 



Gymnodactylus littoralis, Jerdon, Joum. As. Soc. Beng. xxii. 1853, 

 p. 469, .and Proc. As. Soc. Beng. 1870, p. 75 ; Giinth. Proc. Zool. 

 Soc. 1875, p. 226. 



planipes, Beddome, Madras Joum. Med. Sc. 1870. 



Habit very slender, j4reoZis-like. Head long; snout pointed, 

 much longer than the distance between the eye and the ear-opening, 

 once and two thirds to once and three fourths the diameter of the 

 orbit; forehead very slightly coicave; ear- opening small, oval, 

 vertical. The hind limb does not reach beyond axilla. Digits 



* Lower surface of fourth toe, x 4. 



