159 



MITRED TOAD. 



Rana Typhonia. R.fusca, tinea dorsali albida, capite triangulari. 

 Brown Toad, with whitish dorsal line, and triangular head. 

 Rana typhonia. R. auricularibus lobis orcatls. Lin. Syst. Nat. 



p. 356. 

 Rana margaritifera. -R. ex fusco rubra, gramdis dilute rubtttis 



conspersa. Lin. Syst. Nat. Gmel. p. 1050. Laurenti Sfec. 



Med.p. 30. 

 Bufo Typhonius. Schneid. Amph. p. 207. 



THE first describer of this species seems to have 

 been Seba, who calls it by the name of Aquaqua, 

 and represents it as a native of Brasil. Its size is 

 that of a common Toad, and its colour on the up- 

 per parts is a rufous brown, with a pale or whitish 

 line down the back, and which appears to be not 

 equally conspicuous in different specimens : the 

 under part of the animal is whitish or pale ; the 

 thighs are barred with brown ; and the skin over 

 the whole body is beset with numerous small gra- 

 nules or protuberances of a blueish or pearly cast ; 

 but the principal character of this species is the 

 subtriangular form of the head ; the sides of which, 

 beyond each eye, project into an angular protu- 

 berance, as shewn in the figure ; and from the 

 nose along each side of the head runs an elevated 

 white line over the shoulders to the sides : the fore 

 feet are tetradactylous and unwebbed ; the hind 

 feet pentadactylous, and webbed in the usual pro- 

 portion, as in the common Toad. Mr. Schneider 

 speaks of five bifid tubercles on the middle of the 

 back, which seem to be indeed expressed in 



