THE SPEECH OF MONKEYS. 105 



when so near them, although they could not see 

 me. But no matter what the condition of the 

 weather or how many people are present, the in- 

 stant one of them sees me he spreads the news, 

 and every inmate of the cage rushes to the win- 

 dow and begins to scream at the top of his voice. 

 If their sense of smell was such as to enable them 

 to detect my presence as a dog would, it is 

 reasonable also that the monkey which possessed 

 the most sensitive organs would have been the 

 first to detect it in each case ; whereas some- 

 times one monkey and sometimes another made 

 the discovery. It is my belief, however, that 

 their sense of smell is much more acute than 

 that of man, but far less so than that of most 

 other animals, especially the dog. The sense 

 of hearing in these animals is very delicate, 

 as may be seen from the account of Nellie dis- 

 covering my footsteps on the lower stairway, 

 and as I have witnessed in scores of other cases. 

 The same is true also of their sight, and their 

 eyes are like a photo - camera; nothing ever 

 escapes them. I think their organs of taste are 

 also quite sensitive, as I have made some tests 

 from time to time and find them very hard to 

 deceive. The sense of touch, which is rather 



