176 MAMMALS

movements that green alge grow on their hair.
They have enormous claws like hooks, and simply
hang on all their lives moving from tree to tree when
the branches interlock. The Megatheriide, ‘great

   

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THE GREAT ANT-EATER

     

wild beasts,’ were huge sloths, now extinct, which
lived on the ground, and pulled the branches down
to feed on. In structure they fill the gap between
the sloths and the ant-eaters. The ant-eaters are also