34 REPTILES. 



No large gland. Head moderate ; nostrils near the mnzzle ; 

 tongne oval, entire behind ; toes slightly webbed ; palatine teeth as 

 in the other species. Grey, symmetrically marbled with blackish 

 grey on the back ; a large whitish spot on the neck. 



a. Adult. N. Australian Expedition. Presented by J. R. Elsey, Esq. 



b. Adult: bad state. N.Australia. From Mr. Gilbert's Collection. 



Fam. 3. DISCOGLOSSID^. 



Ranina with webbed toes, with the processes of sacral vertebra 

 dilated, and without paratoid. 



Synopsis of the Genera. 



1. Chiroleptes. First finger opposite to the others. Australia. 



2. Pelodytes. No finger opposite to the others ; tympanum distinct ; 



head without appendages. France. 



3. Discoglossus. Tympanum hidden ; vomerine teeth in a straight 



line. Chores of the Mediterranean. 



4. LeptobracMum. Tympanum hidden ; no vomerine teeth. Java. 



5. Megalopluys. Upper eyelid prolonged into a horn; muzzle 



rounded. East Indies. 



6. Ceratophryne. Upper eyelid and muzzle prolonged into pointed 



appendages. Sumatra. 



1. CHIROLEPTES. 



Skin smooth, with a few scattered flat warts ; fingers free, first 

 opposite to the three others ; toes one-third webbed, the first cunei- 

 fonn bone forming a flat oval tubercle with a blunt edge ; tympanum 

 distinct ; eustachian tubes moderate ; tongue elliptic, very slightly 

 notched behind. Vomerine teeth. Australia. 



Alytes, sp., Gray, Zool. Misc. p. 56. 



1. Chiroleptes australis. 



Alytes australis, Gray, I. c. 



Vomerine teeth in two rather oblique and convergent arches, each 

 beginning from the inner front angle of the nostrils. Above uniform 

 brown, with a blackish streak from the muzzle along the canthus 

 rostralis, through the tympanum to the ann-pit. 



a, h. Half-grown and adult female. Port Essington. From Mr. 

 Gilbert's Collection. 



