ARCTIC MARINE ANIMALS. 63 



ill-fashioued flaps of leather. Its movements on land are extremely slow and 

 awkward, resembling those of a huge caterpillar, but in the water it has all the 

 activity of the seals, or even surpasses them in speed. 



Gregarious, like the seals and many of the dolphins, the walruses love to lie 

 on the ice or on the sand-banks, closely huddled together. On the spot where 



