34 REPTILES. 



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

 tongue 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. Elscy, Esq. 

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



Fam. 3. DISCOGLOSSIDiE. 



Rantna with webbed toes, with the processes of sacral vertebra 

 chlated, 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 withoiit appendages. France. 



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



line. Sliores of the Mediterranean. 



4. Leptohrachinm. Tj-mpanum hidden ; no vomerine teeth. Java. 



5. Megalophrys. Upper eyehd prolonged into a horn; muzzle 



roimded. East Indies. 



6. Ceratophryne. Upper eyehd 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 iirst cunei- 

 form bone forming a flat oval tubercle ■nnth a blunt edge ; tpnpanum 

 distinct ; eustachian tubes moderate ; tongue cUiptic, veiy shghtly 

 notched behind. Vomerine teeth. Austraha. 



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



1. Chiroleptes australis. 



Alytes australis, Gray, I. c. 



Vomerine teeth in two rather obhque and convergent arches, each 

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

 brown, ^vith a blackish streak from the muzzle along the canthus 

 rostrahs, through the tympanimi to the arm-pit. 



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

 Gilbert's Collection. 



