FAMOUS CHIMPANZEES 129 



I am not the only one who has noticed this 

 in Polly. She has caused a great deal of 

 amusement in this manner. 



In order to keep her company when Do- 

 hong was ill, Soko, a black-faced chimpanzee, 

 was put in the same cage with her. Judging 

 by her facial expressions when Polly gives 

 way to jealousy or temper, and especially 

 when she works herself into paroxyms, Soko 

 has "nerves" and Polly's idiosyncrasies 

 worry and annoy her extremely. Soko is not 

 particularly good tempered herself, and has 

 been extremely ugly with the keepers once 

 or twice, but her temper has not the wild, 

 passionate nature of Polly's. It is a sulky, 

 revengeful temper, slow but lasting; she does 

 not forget, as she has proved on more than 

 one occasion. 



She hits Polly on the head just as Dohong 

 used to when the noise and annoyance become 

 unbearable, but, unlike Dohong, who was 

 always ready to be friends again, and who, 

 indeed, judging by his manner, appeared to 

 forget it as soon as it was over, she resents 



