4. HYiA. • 383 



62. Hyla gracilenta. 



Hyla gracilenta, Peters, Mm. Berl. Ac. 1869, p. 789. 



? Pelodryas granulata, Peters, eod. loc. 1873, p. 417, pi. 1. f. 4. 



Hyla fordii, Gilnth. Mus. Godeffr. xii. p. 47. 



Tongue subcircular, slightly nicked, and free behind. Vomerine 

 teeth in. two very smaU groups in the middle between the choanos. 

 Head moderate, broader than long ; snout subtriangular, as long as 

 the diameter of the orbit ; canthus rostraUs angular ; loreal region 

 slightly oblique ; interorbital space broader than the upper eyelid ; 

 tympanum rather indistinct, about two thirds the diameter of the 

 eye. Three outer fingers extensively webbed, the membrane reach- 

 ing the disks of the second and fourth ; no distinct rudiment of 

 poUex ; toes nearly entirely webbed ; disks about half the diameter 

 of the eye ; snbarticular tubercles moderate. The hind limb being 

 carried forwards along the body, the tibio-tarsal articulation reaches 

 between the eye and the tip of the snout. Exposed upper surfaces, 

 belly, and lower surface of thighs granulate ; a strong fold across 

 the chest. Exposed upper surfaces blue-green ; upper surface of 

 thighs purple ; a white line on canthus rostralis, outer border of 

 upper eyelid, and above the tympanum ; another along the outer 

 edge of forearm, tibia, and tarsus ; beneath white, immaculate. 

 Male with a large external subgular vocal sac. Prom snout to vent 

 40 millim. 



E. Australia. 



a-c. c? & hgr. Rockhampton. (Types ol 11. fordii) 



63. Hyla jervisieJisis. 



Hyla jervisiensis, Dum. Si- Bibr. p. 580. 



Litoria jervisiensiSjPtfto's, Man. Berl. Ac. 1873, p. 012. 



Allied to H. ccerulea. Vomerine teeth in two groups on a level 

 with the front edge of the choanse. Fingers webbed at the base. 

 A small glandular fold from the angle of the mouth. Whitish grey 

 above ; a brown streak on canthus rostralis and another on temporal 

 region ; beneath white. From siaout to vent 47 millim. 



Jervis Bay, Australia. 



64. Hyla cserulea. 



Pelodryas cseruleus, part., OUnth. Cat. p. 119, pi. ix. f. B. 

 Tlana cserulea, White, Journ. W. S. Wales, App. p. 248 ; Sluac, Zool. 



iii. p. 113 ; Baiid. Bain. p. 70 ; Men: Tent. p. 174. 



austrasiss, Schneid. JSCist. Amph. p. 150. 



Plyla cyanea, Baud. Sept. viii. p. 43. 



Oalamita cyanea. Fitting. Class. Rept. p. 64 ; Tschudi, Batr. p. 73 : 



Coije, Journ. Ac. Philad. (2) vi. 1867, p. 204. 

 Oalamites cseruleus, Wagl. Syst. Amph. p. 200. 

 Hyla cyanea, part., Dum. 8^ Bibr. p. 677. 

 Pelodryas cseruleus, Ounth. Proe. Zool. Sac. 1863, p. 2-jO ; Keferst. 



Arch.f. Naturg. 1868, p. 288, pi. 8. f. 32. 

 Oalamites cyaneus, part., Steindachn. Novara, Amph, p. 66. 



