100 



VOICE AND "language" OF CHIMPANZEES 



Morning. Panzee was silent except when the milk, of 

 which she was very fond, was brought; then she murmured: 



m 



153 



ooh ooh 



And when the oranges came, she ventured these tones, all 

 of a fine musical quality: 



m 



t=^ 



154 



ooh 



The next day, while eating an apple, she uttered these 

 tones with kha, which seemed to be a variant of her food- 

 word. (See no. 9.) 



m 



155 



kha 



kha 



Morning. She was unusually animated, eating alone 

 after having had oatmeal with Chim. He was having an 

 experiment, and she, always keen and sensitive to what 

 happened to him, may have felt a certain tension in the air 

 which was often perceptible when Chim's intelligence was 

 being tested. For the first time, also, he was making some 

 noise as he piled up boxes in order to reach a banana sus- 

 pended above him. Occasional thumps could be heard as 

 the boxes came down, which may have affected her. 



She looked as though she were talking, as she said very 

 rapidly and in an emphatic whisper, when a half-orange was 

 given to her: 



