212 ACANTHOPTERYGII. MACKEREL FAMILY*. 



tion ; and those which did not give way from the 

 %yeight, were drawn on shore laden with spoil. One 

 of the party, who had a herring- seine with a two- 

 inch mesh, was the most successful : the mesh held its 

 fish, and formed a wall that swept on the beach all 

 before it. They were thus caught by cart-loads. 

 They were pursuing the fry of the Herring, and 

 their stomachs were full of them." 



The characters already supplied, with an exami- 

 nation of the Plates, render further details in this 

 place unnecessary. 



In the next, the Fourth Section of the Macke- 

 rel Family, the finlets, the free spines of the back, 

 and the armour on the sides of the tail, are all 

 wanting. To this group belongs the genus Cory- 

 phaena, containing C hippurus^ misnamed the Dol- 

 phin, and with other species so celebrated for. its 

 versatile hues, and of whose beauty, according to 

 Bosc, we must have seen them in troops following 

 a vessel, before we can form any estimate. It is a 

 large Section, of which, in the British Fauna, we 

 have only one genus. 



Gen. XXVIII. Centrolophus, characterized by 

 Cuvier as having small scales, an unkeeled tail, a 

 ong dorsal, whose spiny rays are scarcely distin 

 guishable from the others ; its head is little elevated, 

 and its palate without teeth. {Hist. Nat. des Poiss.^ 

 ix 246). Of this genus we have to name 



(Sp. 51.) C.pompilus. The Black-fish. (PI. XIII.) 

 Only four specimens of this somewhat remarkable 



