120 



CLUPEID^E. 



of gravity, but not so much so as in the common Herring ; 

 the scales are smaller ; the sides without any distinct lateral 

 line : the edge of the belly carinated, but not serrated ; 

 the fins small. The fin-rays in number are 



D. 18 : P. 17 : V. 9 : A. 16 : C. 20. Vertebrae 54. 



The back and upper part of the sides are deep blue, 

 with green reflections, passing into silvery white beneath. 

 The flesh of this species differs from that of the common 

 Herring in flavour, and is much more mild. 



