MACKERELS. 



125 



that it was caught by St. Christopher, while 

 wading through an arm of the sea. 



6. CorypJicBnina. Here also the body is greatly 

 compressed, but it is also lengthened; the body is 

 either destitute of scales, or clothed with such as 

 are very minute ; tlie head forms a sharp edge along 

 its summit ; the mouth is small, not protrusile. 

 There is one dorsal extending nearly all along the 



CORYPHENE. 



back, and furnished throughout with flexible rays ; 

 the ventrals are small, or absent. Sixty-seven 

 species are enumerated in this sub-family, chiefly 

 inhabitants of the warmer parts of the ocean, but 

 a beautiful one (Cory2Jhcena hippuriSi Linn.) is 

 found in the Mediterranean. Its beauty is ex- 

 traordinary, especially when beheld in the activity 

 and brilliancy of life, glittering in the crystal 



