FISHES. 357 
But, though the canvass bellies with the blast, 
And boisterous winds bend down the cracking mast, 
The bark stands firmly rooted in the sea, 
And will, unmoved, nor winds nor waves obey : 
Still, as when calms have flatted all the plain, 
And infant waves scarce wrinkle on the main. 
No ship in harbour moor'd so careless rides, 
When ruffling waters tell the flowing tides ; 
Appall'd, the sailors stare, through strange surprise, 
Believe they dream, and rub their waking eyes. 
THE SEA-WOLF, OR SEA-BAT, 
(Anarrhichas lupus,) 
Is often caught at Heligoland, an island not far from the 
mouth of the Elbe ; it is about three feet in length, and 
has a larger and flatter head than the shark. The back, 
sides, and fins are of a bluish colour ; the body is nearly 
white ; the whole skin is smooth and slippery, without 
any appearance of scales. It is of a very voracious na- 
ture, and has a double row of sharp and round teeth, 
both in the upper and lower jaw. However, its appetite 
does not lead it to destroy fishes similar in shape to itself, 
as it is supposed to feed entirely on crustaceous animals 
and others, whose shells it breaks easily with its teeth. 
It is sometimes found in the northern seas exceeding 
