Haggerty, I nutation in Monkeys. 



453 



Fig. 11. New cage adjusted lor the string experiment ; L, opening where 

 food came into the cage; 1. 2. S. )• ■'>■ "• strings; 2t, where string 2 entered 

 the cage; 2/r. the knnb at the end of string 2. Page 425. 



