55^ 



THE HIGHER ANTHROPOIDS 



and the covctccl delicacy, such a primitive method of capture would not 

 sullicc. So all ot the chimpanzees soon learned to use sticks and straws 

 which were thrust throu'di the meshes ol the wire netlmii and lu'ld in such 



Cour/fsv-, .Ameruan A/usfum oj Natural History 



FIGS. 247 AND 248. HAND AND FOOT OF CHIMPANZEE. 

 Left. Palmar surface of hand, showing arboreal specialization. 1 lie tluniil] is short, tlic fingers arelong, 



thenar and hypothcnar eminences are pronounced. 

 Right. Plantar smface of the foot showing definite humanoid tendencies, broad heel, distal advance of great 



toe, shortening of lesser toes, broadening of sole. The foot in chimpanzee has less of the hand-like 



characters observed in the lower primates. 



position until they were coNcred by ants. The straws were then withdrawn 

 and tlic insects j^romptlx licked olT and devoinn-ck This method of capture 

 proved most satisl'aetor\ and entertaining to the anthropoids. Their atten- 

 tion was entirely ahsorh^d ni this no\tl method ol o\t'rcoming an obstacle 

 unintentionall\ placed between them and the delicate morsels which the\ 

 craved, but which would have been out of their reach had it not been for 

 their recourse to this procedure. 



