36 CATECHISM OP 



to its beauty ; during the severity of winter it is 

 said to be embedded in the soft-mud, protected 

 by the vast masses of ice that surround the polar 

 coasts ; in the spring it migrates in enormous 

 shoals to the more southern regions, and affords 

 an abundant and delicate article of food to thou- 

 sands both poor and rich. 



Q. Is Scomber I hynnus a valuable species ? 

 A. Yes 5 Scomber Thynnus, the Tunny, grows 

 to a large size, sometimes to the length of eight 

 or ten feet, but its most usual length is two feet. 

 It is frequent in the Mediterranean, Northern, In- 

 dian^ and American Seas, where it is met with, in 

 large shoals ; but in the British seas only a few 

 solitary individuals are occasionally found. 

 Q. What are the general habits of this fish ? 

 A. The Tunny is an animal of great strength 

 and fierceness, preying on all kinds of the smaller 

 fish, but more particularly on the mackerel and 

 flying fish. Its general colour is a dark blue OR 

 the upper parts, and silvery, with a cast of flesh 

 colour beneath. 



Q. In what manner is the Tunny fishery con. 

 ducted ? 



Migrate, v. to remove from one place to another* 



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