THE SPEECH OF MONKEYS. l8l 



the entire sound-sphere, or space through which 

 the sound passes in all directions from the centre 

 to infinity. 



I shall refrain from discussing this point till 

 such time as I can show at greater length my 

 reasons for this belief. I may add here that I 

 have made records of the human voice with 

 which I have deceived the monkeys, and I have 

 made records of the monkey's voice with which I 

 have deceived the very elect of linguists and 

 musicians. Some critic once remarked to me 

 that the sound made by a monkey was not really 

 laughter, but only a kind of good-natured growl- 

 ing. This may be correct, but the same is true 

 of human laughter, as the one may be converted 

 into the other, and a good-natured growl ex- 

 presses the emotion which is felt by man as well 

 as monkey. 



The phonograph shows that they are identical 

 in sound and form, besides the fact that they are 

 the outburst of the same passion, actuated by the 

 same cause and executed by the same muscles, so 

 that their identity mentally, physically, and me- 

 chanically is the same. 



Among the sounds of the simian voice, I have 

 not found the English vowels "a," "i," or "o," 



