104 LECTURE II. 



miles an hour, with the same apparent ce- 

 lerity, as if she were lying at anchor. 



The back bone of this tribe of animals, 

 is formed as in quadrupeds * ; it has not 

 the flexibility nor lateral motion of that 

 part in fishes, neither have they side oars 

 or fins, and therefore they are unable to 

 pursue the quickly varied and versatile 

 motions of the finny tribe. They say, 

 however, that a squadron of porpoises will 

 encompass a shoal of herrings and drive 

 them into a small bay to devour them. 

 Though many of the whale tribe have teeth, 

 they probably chiefly feed upon medusae, 

 sepiae, shrimps, &c. which they find on the 

 shores and depths of the ocean, or when 

 pressed by hunger, they may destroy and 

 devour one another. Mr. Hunter found 

 the eye of some kind of whale undigested 

 m the stomach of the grampus. We can- 

 not consider them as predacious animals, 

 for these in general, are s-uspicious, cunning, 



* Mi\ Hunter has put up a preparation of the inter- 

 vertebral substance, which is similar to that of quadru- 

 peds in general. 



