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VERTEBRATA. 
years ; and another is spoken of at tlie age of forty-seven, in the menagerie at Paris. They are 
excellent swimmers, notwithstanding their uncontli appearance. 
From the accounts which have been furnished, it would appear that the bears of ]S[orway are 
not imicli inferior in size and ferocity to the grizzly bear of our country. The sbe-bear of that 
region is represented as especially formidable when she has occasion to defend her cubs. In 
cases of danger, slie drives them into the trees for safety; tbis she sometimes effects witb so much 
violence that their cries may be heard a considerable way off ; she then retreats to some dis- 
tance. This is a sure token that she means to defend her cubs, and it is then Very dangerous to 
approach them unless the hunter is first freed from the mother, who is sure to attack him with 
