58 INDIAN FRESH-WATER FISHES. 



50. Barbus tetrarupagus. 

 Hab. Assam. 



Char. One spot on the lateral line near the gills, and 

 a second near the end of the line, on the tail. 



51. Barbus filamentosus. 



Hab. Southern and Western India. 6 inches. 



Similar to Barbus lepidus, but without barbels. 

 Body strongly compressed. 



Dr. Day remarks, " a very curious change occurs in 

 this fish immediately after death, the whole of its body 

 becoming scarlet." 



Char. The rays of the dorsal fin are extended into 

 long filaments. Caudal fin red, tipped with black. A 

 dark spot on the tail. Lateral line complete. 



C. Dorsal ray weak and feeble. 

 In this division there are five known species, which 

 are easily distinguished apart, (not including Leucisciis 

 presbyter of Cuvier, which is a doubtful species, insuffi- 

 ciently described). The lateral line in each of them 

 is incomplete. 



52. Barbus vittatus. 



Hab. Mysore and Malabar. 1^ inches. 



Char. Scales 20 to 22. 



Generally with four black spots on each side, in the 

 adult ; one just in advance of the dorsal fin, one below 

 its hinder end, one at the base of the caudal fin, and a 

 fourth at the base of the anal ; a black streak on the 

 dorsal fin. 



Lateral line incomplete, extending five scales. 



