156 



SCOMBERID.E. 



forming the lateral horizontal ridge on the fleshy portion of 

 each side of the tail is produced, forming part of a circle. 



All the upper part of the body of the Tunny is very dark 

 blue ; the part of the corslet marked with scales is much 

 lighter ; the sides of the head white ; the whole of the belly 

 greyish white, spotted with silvery white ; these spots are 

 elongated towards the shoulders and flanks, but rounded over 

 the spaces between. The first dorsal fin, pectorals, and ven- 

 trals, are black ; the tail paler ; second dorsal and anal fins 

 almost flesh colour, tinted with silver ; the finlets above and 

 below are yellowish, tipped with black. The figure is taken 

 from the plate of Cuvier and M. Valenciennes, who consider 

 most of the figures of this fish more or less incorrect. 



