4 U 
MAMMALIA. 
danger, it rushes upon Man with a blind fury and determination 
too often fatal in their results. (Fig. 176.) 
It is not an uncommon thing for White Bears to drift out to 
sea on floating icebergs, when they become reduced to the most 
frightful distress from hunger. Fatally confined to their icy raft, 
and utterly devoid of all means of subsistence, they ultimately 
attack and devour one another. Some of these famished Bears 
