262 



Woodchuck and Grebe [SECOND WEEK 



almost as large as a man and with sharp teeth in their 

 beaks, must have hitched themselves like seals along the 

 edge of the beach, and perhaps laid their eggs on the 

 pebbles as do the terns to-day. 



The grebe, denied the power to rise easily and even to run 

 about on land without considerable effort, is, however, splen- 

 didly adapted to its water life, and the rapidity of its 

 motions places it near the head of the higher active crea- 

 tures, with the woodchuck near the opposite extreme. 



