BATRACHIA SALIUNTIA. 127 



C. PROTEROGLOSSA. 



Section I. Rhinophrynina. 



Peoteroglossa without maxillary teeth and with imperfectly- 

 developed ear. 



Fam. 1. EHINOPHRYNIDJE. 



Rhinophryhtna with webbed toes, dilated processes of sacral ver- 

 tebra, and with paratoids. 



One genus. 



1. RHINOPHRYNUS. 



Body broad, rather depressed, rounded ; head confounded ^vith 

 body ; muzzle truncated, forming a flat circular disk in front ; skin 

 smooth ; paratoid hidden, large, with smooth surface ; no tympanum, 

 no cavum tympani, no eustachian tubes ; fingers webbed at the 

 base ; toes half- webbed ; first cuneiform bone forming a flat, oval, 

 homy spur. Male with two lateral vocal cavities, internal, and 

 hidden behind the angle of the mouth. Mexico. 



KhiuopbrjTius, Dum. Sj- JBibr. viii. p. 757. 



1. Rhinophrynus dorsalis. (Plate XII.) 



Dum. ^- Bibr. viii. p. 758. pi. 91. f. 2, 2 a (bad) ; Gimther, Proc. Zonl. 

 Soc. 1858, p. 339. 



Bluish grey, with yellowish spots on the sides and in the vertebral 

 line, the latter sometimes confluent. 



a. Adult male. Mexico. From M. Salle's Collection. 



b, c. Adult and young. Mexico. From M. Parzudaki's Collection. 



d. Half-growTi. South America. From M. Salle's CoUeetion. 



e, f. Young. Vera Cruz. From Mr. Cuming's Collection. 



