1 98 SEALS. 



the rest by having its grinders four-lobed, and 

 placed obliquely in the jaws. The Greenland Sea] 

 has the grinders generally three-lobed, arranged 

 in a direct series, and having a small interval be- 

 tween them, the first toe of the fore foot longest 

 The Great Seal has the grinders also three-lobed, 

 and placed in a direct series, but much smaller in 

 proportion to the size of the animal, and the third 

 or middle toe of the fore foot longest. Lastly, 

 the Grey Seal is known by its conical, unlobed 

 grinders. 



