44 8 



THE POPULAR SCIENCE MONTHLY. 



8eems rather to represent the searching for a stone or other object in 

 their beds of straw. 



"A young orang, made jealous by her keeper attending to another 

 monkey, slightly uncovered her teeth, and, uttering a peevish noise 



Fig. !>. 



Cynopithecu* rviger, rn a Placid Condition. (Drawn from Life by Mr. Wolf.) 



like tish-shist, turned her back on him. Both orangs and chimpanzees, 

 when a little more angered, protrude their lips greatly, and make a 



Fig. 10. 



The same, when pleased bt being oaeessed. 



harsh barking noise. A young female chimpanzee, in a violent pas- 

 sion, presented a curious resemblance to a child in the same state. 



