184 ORDER ACANTHOPTERYGII. 



and is the object of extensive fisheries : the back is of 

 a blackish blue gradually softening into the silvery 

 colour of the belly ; it is often found to weigh eighty 

 pounds ; its flesh is much whiter than that of the 

 tunnv. 



Auxis, Cuv. ' 



Have, with the corselet and moderate sized pectorals 

 of the tunny, the dorsals separated, like those of the 

 mackerel. 



Some are found in the Mediterranean. 



The Bonitou, or Scomber Laroche of Risso, or Scomber bisus, 

 Rafinesque, Caratt, pi. ii. f. 1. Egypt 24. 6. 



Has a fine blue back, blackish oblique lines ; flesh of 

 a dark red colour. 



There is another in the Antilles, which is there 

 called tunny, and which grows as large as the Eu- 

 ropean tunny 2 . 



Sarda, Cuv. 3 



Are distinguished from the tunny merely by pointed 

 distinct teeth, and tolerably strong. 



But one species is known, which abounds in the 

 Black Sea and in the Mediterranean. (Scomber sarda, 



1 Auxis, the ancient name of a fish of the family of the tunny. 



2 Add the Tasard. Lacep. iv. p. 8, ; the Albicore, Sloane, Jam. 

 i. 1. 1. 



5 Sarda was the ancient name of the tunny caught and salted in 

 the Western Ocean. 



