104 INDIAN FRESH-WATER FISHES. 



GENUS CACHIUS. 



Char. Pectoral fins very long. No spine to the 

 dorsal fin. Less than seven rays in the ventral fins, 

 which are placed far forwards, nearly beneath the 

 pectorals, one ray of each ventral fin being produced 

 into a long filament. 



1. Cachius atpar. 



Hab. India generally. 4 inches. 



Char. Anal rays 22 to 26. Scales 52 to 55. 



Dorsal fin opposite the middle of the anal. The 

 first ray of the ventral prolonged into a long bristle, 

 the other rays being qnite rndimental. 



Colour greenish, with a silvery lateral band. 



The next gronp, Homalopterina, contains only one 

 genus, which differs from the members of the other 

 groups in not possessing an air bladder. 



It appears to be confined to India, Bnrmah, and the 

 Islands of Java and Sumatra. 



GENUS HOMALOPTEKA. 



Char. Dorsal and anal fins short, the former opposite 

 to the ventrals. Pectoral and ventral fins placed 

 horizontally. Barbels six, 4 on the snout, and two at 

 the corners of the mouth. 



1. Homaloptera maculata. 

 Hab. Hill streams of the N. Eastern Frontier. 

 Char. Scales 78. No scales on the thorax. 

 Snout very broad and depressed, with sharp margins. 



