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62. Hyla gracilenta. 
Hyla gracilenta, Peters, Mon. Berl, Ac. 1869, p. 789. 
? Pelodryas granulata, Peters, eod. loc. 1873, p. 417, pl. 1. f. 4. 
Tyla fordii, Giinth. Mus. Godeffir. xii. p. 47. 
Tongue subcircular, slightly nicked, and free behind. Vomerine 
teeth in two very small groups in the middle between the choanv. 
Head moderate, broader than long; snout subtriangular, as long as 
the diameter of the orbit ; canthus rostralis 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 
pollex ; toes nearly entirely webbed; disks about half the diameter 
of the eye; subarticular 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. From snout to vent 
40 millim. 
i, Australia. 
a-c, & & her. Rockhampton. (Types of ZZ. fordit.) 
63. Hyla jervisiensis. 
Hyla jervisiensis, Dum. § Bibr. p. 580. 
Litoria jervisiensis, Peters, Mon. Berl. Ac. 1875, p. 612. 
Allied to H. cerulea. Vomerine teeth in two groups on a leve! 
with the front edge of the choane. 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 snout to vent 47 millim. 
Jervis Bay, Australia. 
64. Hyla cerulea. 
Pelodryas ceeruleus, part., Giinth. Cat. p. 119, pl. ix. f. DB. 
Rana cerulea, White, Journ. N.S. Wales, App. p. 248; Shaw, Zool. 
ili. p. 115; Daud. Rain. p. 70; Merr. Tent. p. 174. 
austrasiv, Schneid. Hist. Amph. p. 150. 
Hyla cyanea, Daud. Rept. viii. p. 45. 
Calamita cyanea, Fitzing. Class. Rept. p. G4; Tschudi, Batr, p. 73: 
Cope, Journ, Ac. Philad. (2) vi. 1867, p. 204. 
Calamites ceruleus, Wagl. Syst. Amph. p. 200. 
Hyla cyanea, part., Dum. § Libr. p. 577. 
Pelodryas ceruleus, Giinth. Proc, Zool. Soc. 1863, p. 250; Keferst. 
Arch, f. Naturg. 1868, p. 288, pl. 8. f. 32. 
Calamites cyaneus, part., Steindachn. Novara, Amph, p. 66. 
