DACE AND CHUB. 323 



nearer the tail ; hinder margin of this fin and anal fin convex. 

 Tail fin large and somewhat forked. Scales very large ; 44 or 

 45 in the lateral line. Colour : all the upper part of the back and 

 back fin dark brownish green or olive-brown, the margin of each 

 scale being darker than the rest. Belly silvery-white. Sides, 

 when young, silvery, becoming more golden or bronzed towards 

 the back, and darker and more bronzed as the fish attains 

 maturity. Tail fin in adult specimens dark brown almost black 

 in stripes, and with still darker margin. Pectorals, bronzy olive- 

 green. Ventral and anal fins, bright reddish pink. Cheeks 

 and gill covers, golden yellow. Irides golden-greeny bronze. 



y 2 



