4. HTLA. 409 



broader than long ; snout rounded, slightly longer than the diameter 

 of the orbit ; canthus rostralis distinct ; loreal region nearly vertical, 

 slightly concave ; interorbital space a little broader than the upper 

 eyelid ; tympanum distinct, about half the diameter of the eye. 

 Fingers free; no distinct rudiment of poUex ; toes half vsr ebbed ; 

 disks smaller than the tympanum ; subarticular tubercles well deve- 

 loped ; two metatarsal tubercles, outer very small ; a distinct fold 

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

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

 the eye and the tip of the snout. Skin smooth or minutely tuber- 

 cular above, granulate beneath ; a curved fold from the eye to the 

 shoulder. Uniform purplish above; a blackish streak along the 

 canthus rostralis ; a blackish, above light-edged, streak along the 

 side of the body ; beneath whitish, immaculate. From snout to vent 

 58 millim. 



Eastern Australia. 



a-c, d-e. 2 & yg. N. S. Wales. G. Krefft, Esq. [C.]. 



/. Hgr. Sydney. G. Krefft, Esq. [0.]. 



g. $ . Errumanga ? 



120. Hyla thesaurensis. 



Hyla thesaurensis, Peters, Mon. Berl. Ac. 1877, p. 421. 



Tongue small, heart-shaped. Vomerine teeth in two small trans- 

 verse groups between the choanse. Snout rounded, as long as the 

 eye ; canthus rostralis rounded ; loreal region concave ; tympanum 

 half tlie diameter of the eye. Fingers free ; toes half webbed. 

 Belly and lower surface of thighs granulate. Olive-brown above ; 

 a white vertebral line, beginning on the tip of the snout, another 

 along each side of the back, beginning from the eye and passing 

 above the tympanum ; a streak between the eyes and another from 

 the loreal region to below the tympanum, also white ; beUy and 

 lower surface of thighs yeUowiah. From snout to vent 28 millim. 



Solomon Islands. 



121. Hyla impura. 



Hyla impura, Peters S^ Boria, Ann. Mus. Civ. Genov. xiii. 1878, 

 p. 426, pi. 7. f. 2. 



Tongue cordiform. Vomerine teeth in two transverse groups be- 

 tween the choanse. Snout a little longer than the diameter of the 

 eye ; canthus rostralis distinct ; tympanum half the diameter of the 

 eye. Fingers free ; no distinct rudiment of poUex ; toes somewhat 

 more than half webbed; disks moderate. The hind limb being 

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

 beyond the tip of the snout. Skin smooth above, granulate beneath ; 

 a very distinct fold across the chest. Olive-green above, lighter 

 beneath ; hinder side of thighs black, white-punctate. From snout 

 to vent 42 millim. 



New Guinea. 



