THE MONKEYS 



189 



with which the prehensile tailed monkeys cross rivers and 

 hurl themselves from tree to tree can hardly be imagined 

 unless seen. One monkey will grasp another (Fig. 182) 



Fig. 182. — Monkeys crossing a River. 



until a chain is formed which is started to swinging. 

 Finally the lowest monkey grasps a tree on the opposite 

 side, and a living bridge is formed over which the young 



