OTHELLO AND OTHER GORILLAS ^241 



was just in the act of sitting down by him when he 

 gave an alarm. I looked around, and discovered a 

 gorilla standing not more than twenty yards away. 

 He had just that moment discovered us. He gazed 

 for a few moments and started on, moving 

 obliquely towards the cage. I turned to retreat. 

 At this instant Moses gave one of his piercing 

 screams, which frightened the gorilla and he fled. 

 He changed his course almost at right angles. He 

 was going at a good rate before Moses screamed, 

 but he mended it at once. 



One day I heard three sounds which my boy 

 assured me were gorillas ; they were in different 

 directions from the cage. It was not a scream nor 

 a howl, but somewhat resembled the human voice 

 calling out with a sound like "he-oo ! " This sound 

 was repeated at intervals, but did not appear to be 

 in the relation of call and answer, and the animals 

 making them did not approach each other while 

 doing so. The sounds were the same except in 

 volume, and one of them appeared to be made by a 

 much larger animal than the other two. I must say 

 that this sound rarely occurred within my hearing 

 during all my stay in that part, and with the excep- 

 tion of this time I never heard them make any loud 

 sound during the day. 



Another interesting specimen that I saw came 

 prowling through the jungle as if he had lost his 

 way. He found a small opening, or tunnel, which 

 I had cut through the foliage in order to get a 

 better view. Turning into that, he came a few 



