186 APES AND MONKEYS 



worse than to be confined, starved, and tormented, as he 

 was while in captivity. 



Another small specimen which I saw at Gaboon was not 

 of much interest except from one fact, and that was it 

 was broken out with an eruptive disease prevalent among 

 the natives. This disease is called craw-craw } or kra-kra. 

 It is said to originate from the water, either by external 

 or internal use of that fluid. This animal was infected in 

 the same way and on the same parts of the body as men 

 are affected by the same disease, and is another instance 

 of apes being subject to the same maladies as those of 

 man, The specimen itself also exemplified the difference 

 in intellect among these animals, for this one had in its 

 face a look of mental weakness, and every act confirmed 

 the fact. It was silent, inactive, and obtuse. 



During my residence in the cage I saw fewer chimpan- 

 zees than gorillas ; but from those I did see it was an easy 

 matter to determine that they are much less shy and timid 

 than the gorillas. 



On one occasion I heard a chimpanzee in the bush not 

 far away from the cage. I called him with the usual 

 sound. He answered, but did not come to the cage. It 

 is probable that he could see it and was afraid of it. I 

 tried to induce Moses to call him, and he did once utter 

 the sound ; but he appeared to regret having made the 

 attempt. I called again and the stranger answered, and 

 from the manner in which Closes behaved it was evident 

 that the call had been understood. Moses would not 

 attempt the call again, but clung to my neck with his face 

 buried under my chin. It was probably jealousy that 



