348 A DESCRIPTION OF 
The animal is occasionally found with two of these horns, 
and there appears to be always the germ of a second horn, 
though it is rarely developed. When there is only one 
horn, it is always on the left side of the head ; and when 
there are two, the horn on the left side is always larger 
than the other. The animal is devoid of teeth, but its horn 
answers the purpose of killing the larger animals on which 
it preys, and also of breaking the ice away in which it 
lives, when it wants to come up to breathe. The blubber 
supplies a small quantity of very fine oil, and the Green- 
landers are very partial to the Hesh. 
SECTION II. arttlagtnoug 
THE SHARK. (Squalus carcharias ) 
Increasing still the terrors of the storms, 
His jaws horrific arm'd with threefold fate, 
Here dwells the direful Shark. 
THE Shark differs from the whale in not being one of the 
mammalia. It is cold-blooded, and does not suckle its 
