JOURNAL 



OF 



THE CEYLON BRANCH 



OF THE 



ROYAL ASIATIC SOCIETY. 



DESCRIPTION OF A SUPPOSED NEW GENUS OF 

 CEYLON BATRACHIANS. 



BY W. FERGUSON, F.L.S, 



Trachucephalus. 



Fingers and toes tapering, very slightly webbed. Lower 

 jaw with marked, but not prominent apophyses, with a small 

 fang-like process in the centre ; the internal openings of 

 the nostrils and eustachian tubes small ; tympanum small, 

 but conspicuous. Small parotoids present ? The transverse 

 processes of the sacral region dilated, (Maxillary and 

 Vomerine teeth present.) Vomer with two separate toothed 

 prominences. A toothed prominence on each side between 

 the choanse and the jaw. The upper eyelid well developed, 

 but not prominent. A cutaneous fold between the fore and 

 hind limbs. 



Trachucephalus Ceylanicus. 



Head very broad, much depressed, and very short in 

 proportion to its breadth, the upper lip having a marked rim 

 all along it, forming nearly a section of a circle, somewhat 

 convex in front; the whole of the upper part of the 



B 



