RED-FlNNED SILURE. 



Silurus Erythroptenls. S. nifus, subtus argenteiiSjpinnis rvfiris* 

 Rufous Silure, with silvery abdomen, and red fins. 

 Sflurus erythropterus. S. pinna adiposa caudoeque longa. Block, 

 t. 369. f. 2. 



HABIT similar to that of S. quadrimaculatus, but 

 jof a longer shape : length seven or eight inches : 

 beards eight in number, viz. two pair above and 

 two below; the lowest pair of those on the upper 

 lip extending nearly to the middle of the tail, which 

 is long, very deeply and sharply forked, and, like 

 the rest of the fins, of a red colour : first ray of the 

 dorsal and pectoral fins very strong and serrated : 

 second or adipose dorsal fin broad and shallow : 

 body marked by transverse streaks as in the S. 

 quadrimaculatus. Native of South America. 



FROG SILURE. 



Siluras Batrachus. S. elongates fuscus, pinna dorsnli nfiUi a 



nuchafere ad caudam continuata. 

 Elongated, brown Sirare, with soft dorsal fin continued from. 



the neck almost to the tail. 

 Silurus Batrachus. S. pinna dorsali wiica, radiis sexaginta, 



cirris octo. . Lin. Syst. Nat. p. 502. 

 Silurus Batrachus. S. pinna ani dorsique longa. Block, t. 3/0. 



LENGTH eight or ten inches : habit long, as in 

 some of the Blennies; and the divisions of the 

 muscles visible on the sides in the form of so many 



