23. CHIROLEPTES. — 24. HELEIOPORUS 271 



subgular vocal sac, and blackish rugosities on the inner side of the 

 first digit during the breeding-season. 

 Australia. 



a-b, c-d. 5 . Port Denison, Cape York. (Types.) 



e. J . Port Denison, Cape York. G. Krefft, Esq. 



/. d . ? Clarence River. G. Krefft, Esq. 



6. Chiroleptss inermis. 

 Ckiroleptes inermis, Peters, Mon. Berl. Ac. 1867, p. 30. 



Vomerine teeth in two small groups between the inner front edges 

 of the choanre. Snout rounded ; tympanum distinct, two thirds the 

 diameter of the eye, separated from the latter by a very narrow 

 interspace. Two metatarsal tubercles, the inner small, but little 

 larger than the outer. Upper surfaces with small scattered tubercles ; 

 belly minutely granular. Greyish brown above, with irregular dark 

 spots ; lips spotted ; hinder side of thighs black- and white-spotted 

 or marbled. 



Iiockhampton, N.E. Australia. 



24. HELEIOPORUS. 



Heleioporus, Gray, Grey's Jburn. W. Austral, p. 447; Gunth. Cat. 



p. 39 ; Cope, Nat. Hist. Rev. 1865, p. 108, and Journ. Ac. 1'hilad. 



(2) vi. 1866, p. 94. 

 Neobatrackus, Peters, Mon. Berl. Ac. 1863, p. 234 ; Cope, Journ. Ac. 



Philad. (2) vi. 1866, p. 94. 

 Perialia, sp., Gray, Eyre's Journ. Exped. Centr. Austral, p. 407. 



Pupil erect. Tongue subcircular, slightly nicked behind. Vo- 

 merine teeth. Tympanum concealed. Fingers free ; toes more or 

 less Avebbed, the tips not dilated. Outer metatarsals united. 

 Omosternum cartilaginous ; sternum a semi-ossified plate. Sacral 

 vertebra slightly dilated. Terminal phalanges simple. 



Australia. 



Heleioporus albo-punetatus, Gunth. Cat. p. 39. 

 Heleioporus afbo-punctatus, Gray, Grey's Journ. IV. Austr. p. 447, 



1. Heleioporus albopunctatus. 



iporus albo-punetatus, Gunth. Cat. 

 _bo-punctatus, Gray, Grey's Journ. .. 

 pi. 1. f. 2 ; Keferst. Arch./. Naturff. 1868, p. 269, pi. 5. f. 2-5. 

 Perialia eyrei, Gray, Ei/rc's Journ. Exped. C. Austr. i. p. 407, pi. 2. 

 f. 3. 



Vomerine teeth in a transverse interrupted series between the 

 choanoc. Habit very stout. Snout rounded, without canthus ros- 

 tralis ; nostril equally distant from the eye and the tip of the snout 

 intcrorbital space narrower than the upper eyelid. Fingers blunt 

 first longer than second ; toes short, blunt, hardly half webbed 

 subarticular tubercles, especially those of the fingers, well developed 

 inner metatarsal tubercle large, shovel-shaped. The hind limb 



