CHAPTER III. 



Monkeys Have Favorite Colors. — Can Distinguish Numbers 

 and Quantity. — Music and Art very Limited. 



In order to ascertain whether monkeys have 

 any choice of colors or not. I selected some 

 bright-colored candies, balls, marbles, bits of 

 ribbon, etc. I took a piece of pasteboard, and on 

 it placed a few bright-colored bits of candy, 

 which I offered to a monkey and watched to see 

 whether he would select a certain color or not. 

 In this experiment I generally used two colors 

 at a time, and changed their places from time to 

 time in order to determine whether he selected 

 the color bv design or accident. After having: 

 determined which of two colors he preferred, I 

 substituted a third color for the one which he 

 cared least for, and continued thus until I ex- 

 hausted the list of bright colors. By changing 

 the arrangement of the objects a great number 

 of times, it could be ascertained with compara- 

 tive certainty whether the color was his prefer- 

 ence or not. I find that all monkevs do not se- 



