4. HYLA. 413 



127. Hyla nigrofrenata. (Plate XXVI. fig. 2.) 

 Hyla nigrofrenata, GUnth. Ann. 8f Mag. X. II. (3) xx. 18(57, p. 56. 



Tongue suboval, slightly nicked and free behind. Vomerine teeth 

 in two transverse groups on a level with the front part of the 

 ehoanse ; latter vertically elliptic. Habit slender. Head longer 

 than broad ; snout acuminate ; the distance between the eye and 

 the nostril equals the diameter of the former; canthus rostralis 

 distinct; lorcal region oblique, slightly concave; interorbital space 

 a little broader than the upper eyelid: tympanum very distinct, 

 two thirds the diameter of the eye. Fingers free, first extending 

 slightly beyond second; no distinct rudiment of pollex; toes 

 slender, two-thirds webbed ; disks very small ; subarticular tubercles 

 very prominent : two metatarsal tubercles, outer very small ; a dis- 

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

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

 far beyond the tip of the snout. Skin smooth, granulate on the 

 belly and under the thighs. Light olive above; a broad black band 

 on each side of the head, through the eye, followed by a black spot ; 

 a blackish band acrossthe back of the wrist; sides of hind limbs 

 with a blackish line ; hinder side of thighs marbled with blackish ; ■ 

 beneath whitish, immaculate. From snout to vent 41 millim. 



X. Australia. 



a. 9 . Cape York. Ilr. Daniel fCl. | ™ 



b. 2 ■ Cape York. [ T ^ es - 



128. Hyla affinis. (Plate XXVI. fig. 3.) 



Litoria freycineti, GUnth. Cat. p. 97. 

 Pelodytes affinis, Giro/, Zool. Misc. p. 5 I. 



Habit slender. Tongue subcircular, slightly nicked and free be- 

 hind. Vomerine teeth in two oblique groups between the choana> ; 

 1 it in vertically elliptic. Head longer than broad, resembling that 

 of Rana agilis; snout acuminate, rather prominent, once and a half 

 as long as the diameter of the eye ; canthus rostralis distinct ; loreal 

 region slightly concave ; interorbital space as broad as the upper 

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

 Fingers slender, free, first a little longer than second: no distinct 

 rudiment of pollex : tots .slender, somewhat more than half webbed ; 

 disks very small ; subarticular tubercles small, but very prominent ; 

 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 the nostril or 

 the tip of the snout. Skin smooth above : belly and lower surface 

 of thighs granulate. Brown above: loreal and temporal regions 

 blackish; binder side of thighs black- and white-marbled; beneath 

 whitish, immaculate; the male's throat brown. Male with an in- 

 ternal Bubgular vocal sac. From snout to vent :}•"> millim. 



N. Australia. 



a. 3 . Port E^sington. (Type.) 



b. $ . Ro khampton. 



