MAMMALIA OP THE SEA. 89 



growing from its forehead : this tapers towards 

 the end, and is curiously twisted, and from this 

 peculiarity it is sometimes called the sea-uni- 

 corn. 



Questions. 



What mammalia live in the sea 1 



For what are whales chiefly taken I 



To what size does the whale grow ? 



What does the whale live on ? 



What is the character of the whale ? 



For what is the dolphin celebrated ? 



Why is the narwhal sometimes called the sea-unicorn ? 



Are these sea mammalia generally of harmless habits'? 



Seal., 



H2 



