406 HTLID-ffi. 



113. Hyla congenita. 



Hvla (Litoria) congenita, Peters &,- Doria, Ann. Mus. Civ. Gen. xiii. 

 '1878, p. 427, pi. 6. f. 4, 5. 



Allied to H. rubella, but distinguished by a very distinct web 

 between the fingers. Brown above, black-punctate, or with two 

 irregular, more or less distinct, dark, longitudinal dorsal bands and 

 a black lateral band. From snout to vent 36 millim. 



New Guinea. 



114. Hyla dentata. 



Hyladentata, Keferst. Gbtting. Nachr. 1868, p. 329, and Arch. f. 

 Nabwg. 1868, p. 130, pi. 8. f. 20 & 21. 



Tongue subcircular, entire and free behind. Yomerine groups 

 subareolar, behind the level of the choanae, the teeth on each of 

 them arranged in an arch the concavity of which is turned forwards. 

 Head moderate, a little broader than long ; snout rounded, as long 

 as the diameter of the orbit ; canthus rostralis distinct ; loreal region 

 slightly oblique ; interorbital space broader than the upper eyelid ; 

 tympanum very distinct, two thirds the diameter of the eye. 

 Fingers webbed at the base ; no distinct rudiment of pollex ; toes 

 three-fourths webbed ; disks of fingers quite as large as the tympa- 

 num, of toes smaller ; subarticular tubercles moderate ; a distinct 

 fold along the inner edge of the tarsus. The hind limb being carried 

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

 tympanum, or not quite so far. Skin smooth, or slightly tuberculate 

 above ; belly and lower surface of thighs granulate ; a strong fold 

 across the chest. Brown or greyish olive above, minutely speckled 

 with darker ; a lighter zone on each side of the back ; a dark streak 

 extending along the canthus rostralis, through the eye, over the 

 tympanum to beyond the shoulder ; beneath whitish, immaculate. 

 Male with a large brown, external subgular vocal sac. From snout 

 to vent 48 millim. 



Eastern Australia. 



a-b. 8 2 • Sydney. G. Krefft, Esq. [P.], 



c- e , f-ff. Hg-r. & yg. Sydney. Mus. Godeftroy. 



115. Hyla ewingii. 



Hyla ewingii, Giinih. Cat. p. 111. 

 Hyla ewingii, Dum. 8f Btbr. p. 597 ; Jacq. ik Guichen. Sept. in Voy. 



an Vole Sud par Ihiiwnil d'Urvitte, p. 26, pi. 1. f. 3; Steindachn. 



Novara, Amph. p. 02. 

 calliscelis, Peters, Mon. Berl. Ac. 1874, p. 620. 



Tongue heart-shaped, free behind. Yomerine teeth in two small 

 transverse or slightly oblique series between the choanae. Head 

 moderate, a little broader than long : snout rounded, as long as the 

 diameter of the eye ; canthus rostralis distinct ; loreal region not or 

 but very slightly concave ; interorbital space as broad as, or a little 



