SOUNDS ASSOCIATED WITH FOOD 



83 



Morning. He alternated, rather steadily, ghak calls with 

 whining phrases, the latter seeming at times, to express 

 impatience, and at times, eagerness: 



jm- 1ti 8va. 



$ 



S 



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90 



ngak, ngak, m m, m--m m - - ngak 



Dr. Y went out to get the accustomed fruit course. Both 

 chimpanzees showed increased animation at once, fruit being 

 their favorite food, and the type of utterance suddenly 

 changed from the examples above to the fruit motive. 



This is one of the most convincing groups of utterances in 

 that it shows at least the chief meaning to Chim, of the 

 fruit motive. When Dr. Y. had gone into the next room 

 for the fruit, Chim began these sounds, continuing them when 

 the fruit came: 



i 



91 





m 



^^ 



