< Page:Popular Science Monthly Volume 2.djvu
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THE POPULAR SCIENCE MONTHLY.

seems 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. 9.

Cynopithecus niger, in 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 by being caressed.

harsh barking noise. A young female chimpanzee, in a violent passion, presented a curious resemblance to a child in the same state.

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