d the sound made by the other when delivered through the phonograph, I felt rewarded for my labour and assured of the possibility of learning the language of monkeys. The faith of others was strengthened also, and while this experiment was very crude and imperfect, it served to convince me that my opinions were correct as to the speech of these animals.
[Sidenote: RECORDS OF SOUNDS]
In this case I noticed the defects which occurred in my work and provided against them, as well as I could, for the future. Soon after this I went to Chicago and Cincinnati, where I made a number of records of the sounds of a great number of monkeys, and among others I secured a splendid record of the two chimpanzees contained in the Cincinnati collection, which I brought home with me for study. The records that I made of various specimens of the Simian race I repeated to myself over and over, until I became familiar with them, and learned to imitate a few of them, mostly by the use of mechanical devices. After havin