Photo: New York Zoological Park. 



CHIMPANZEE, SITTING 



The head shows certain facial characteristics, e.g. the beetling 

 eyebrow ridges, which were marked in the Neanderthal race of 

 men. Note the shortening of the thumb and the enlargement 

 of the big toe. 



Photo: New York Zoological Park. 



CHIMPANZEE, ILLUSTRATING WALKING POWERS 



Note the great length of the arms and the relative shortness of the 

 legs. 



