266 SINGLE-FINNED BULLHEAD. 



consist of a single lamina, and the branchial orifice 

 is very large: the back is marked by a longitudinal 

 furrow : the colour of this species is brown above, 

 and pale or whitish towards the sides, which are 

 marked by a few transverse reddish-brown bands, 

 accompanied by several spots of similar colour: 

 the fins are large, and of considerable length : the 

 dorsal and anal rather short , the ventral narrow ; 

 and the tail rounded. 



