214 THE SPEECH OF MONKEYS. 



while the mother was naturally taciturn, good- 

 natured and fairly intelligent. I first took the 

 son to a room where I had the phonograph, 

 where I made a record of a number of sounds of 

 his voice. The children aided me in the experi- 

 ment by getting him to talk for food, bark at his 

 image in the mirror, and by various other ways 

 they induced him to utter sounds in the presence 

 of the phonograph. A few days later I had 

 them bring the mother to the same place, where 

 I discharged the contents of my phonograph 

 cylinder in her presence. She gave every evi- 

 dence of recognizing the sounds of the young 

 dog, and in a few instances respdnded to them. 

 She was naturally perplexed at not being able to 

 find him, and searched the horn and in various 

 parts of the room in quest of the young dog. I 

 delivered to her at the same time the record of 

 another dog, to which she paid little attention 

 except by an occasional growl and a look into 

 the horn to see what it meant. She evidently 

 recognized the sounds of the young dog with 

 which she was familiar, and seemed to interpret 

 their meanings, whereas the sounds from the 

 other cylinder did little more than to attract her 

 attention. 



