ROACH. 



central rays scarcely half as long as the outer rays, 

 fin-rays in number are 



403 



The 



D. 12 : P. 17 : V. 9 : A. 13 : C. 19. 



The colour of the upper part of the head and back dusky 

 green with blue reflections, becoming lighter on the sides, 

 and passing into silvery white on the belly ; the irides yel- 

 low ; cheeks and gill-covers silvery white : dorsal and caudal 

 fins pale brown tinged with red ; pectoral fins orange red ; 

 ventrals and anal fins bright red. 



The vignette below is from part of a design for a frieze by 

 Thonvaldsen. 



