TROC.IOI)^ lES NIGER, THE CHIMPANZEE 



549 



was more or less rraclily soKcd l)\ the aj^c w ithout iniiK'cc'ssar\ dclav. Itoiii 

 the roof Of the animal's plax^rouncl, a basket ol bananas was suspended by 

 means of a strmij; passed throiigli an iron ring. 1 he end ol tlie string was tied 



f-'ouricsA , \tw ^'orti Zoulugittit Ctirdtn 



FIG. 246. (HIMI'ANZEE SUSIE. 



m a noosi' \\ hieh, m turn, \\ as placed o\ ei' tlu' hmb ot an old \\cv at the height 

 oi about three meters from tlu' ground. The ehimpanzee. Sultan, was 

 then atlniittt'd into tlu' pla\ground. He was familiar with tins basket and 

 associati'd it with feeding time. On entering the eiielosmx', Sultan saw the 

 basket at onee and soon showed signs of eonsiderable agitation beeause he 

 was, eontrar\ to custom, alone in the open. Manifesting his feelings in the 

 usual ehimpanzee st\le, lu' expressed his disapproxal by making a thunder- 

 ing noise with his feet against the wooden wall of t lu' apt'house, and at the 

 same tinu' tried to get in touch with the other animals b\- climbing up to 

 the windows. At length he ceased these inel]ecti\e measures, and seeing the 



