220 



CLUPEID.E. 



rays short : the tail deeply forked. The fin-rays in number 

 are 



D. 14 : P. 15 : V. 7 : A. 18 : C. 19. 



The breadth of the eye is one-fifth of the length of the 

 whole head ; the peculiarity in the comparative length of the 

 jaws has been previously noticed ; the gill-covers are elon- 

 gated ; the scales of the body large and deciduous : the 

 colour of the top of the head and back blue, with a tinge of 

 green ; irides, gill-covers, sides, and belly, silvery white ; the 

 fins delicate in structure, and greenish white ; the membranes 

 connecting the rays almost transparent. 



