The Chimpanzees- at the Cincinnati Zoological Garden. 



187 



creatures. I have never seen much evidence of any language 

 between monkeys or apes, although I have spent much time 

 in the monkey house at our Zoo observing these animals. It 

 is true, certain vocal sounds are indicative of certain emo- 

 tions. The spiteful cry of a teased monkey arouses all the 

 others within hearing distance, into action ; the satisfied 

 grunt with which one monkey receives a piece of banana or 

 apple starts all into an attitude of expectation, while the 

 sharp cry of alarm from one sends every monkey quickly to 

 a place of safety. Many animals and birds seem to have a 

 language to this extent. 



