548 



THE HIGHER ANTHROPOIDS 



Kohlcr for a long period of tinic hrtwccn i()i4 and 1916. Kohler's purpose in 

 this work was to test the inteUigenee of tiie higher apes and tlie methods 

 applied by him are wliat he called the "roundabout methods" (Umweg), 



CoxtrtfiV, New York Zoological Garden 



FIG. 24,". CHIMPANZEE SUSIE. 



which so complieated ordinar\- situations as to recjuire intelligent solutions 

 on the part of the animal. Thus oni' of tlu' most gifted animals ot the collec- 

 tion (it may be noted that ehinipan/A'ts, as well as more highl.x organized 

 personalities, dilfer in their in(li\ idual abilit\ to a very considerable degree) 

 was given tlu' following |)robli-m which was not altogether simple, and yet 



