THE EXPRESSION OF THE EMOTIONS. 



449 



She screamed loudly with widely-open mouth, the lips being retracted 

 bo that the teeth were fully exposed. She threw her arms wildly 

 about, sometimes clasping them over her head. She rolled on the 

 ground, sometimes on her back, sometimes on her belly, and bit every 

 thing within reach. A young gibbon {Hylobates syndactylies) in a 

 passion has been described ' as behaving in almost exactly the same 

 manner. 



" The lips of young orangs and chimpanzees are protruded, some- 

 times to a wonderful degree, under various circumstances. They act 

 thus, not only when slightly angered, sulky, or disappointed, but when 

 alarmed at any thing in one instance, at the sight of a turtle 2 and 



FlQ. 11. 



Chimpanzee disappointed and sulky. (Drawn from Life by Mr. Wood.) 



likewise when pleased. But neither the degree of protrusion nor the 

 shape of the mouth is exactly the same, as I believe, in all cases ; and 

 the sounds which are then uttered are different. The accompanying 

 drawing represents a chimpanzee made sulky by an orange having 

 been offered him, and then taken away. A similar protrusion or pout- 

 ing of the lips, though to a much slighter degree, may be seen in sulky 

 children." 



1 G. Bennett, " Wanderings in New South Wales," etc., vol. ii., 1834, p. 153. 

 * W. C. Martin, " Natural History of Mamnriferous Animals," 1841, p. 405. 



vol. ii. 29 



