EVOLUTION OF THE PRIMATES AND MAN 463 



changes and modifications which accompanied the evolution of 

 modern man : Homo sapiens. 



The Hominidae include all the members of the human 

 family and it must be noted that they differ from other Primates 

 not so much in matters of kind as in matters of degree. Essen- 



Fig. 180. — Professor John I. Hunter's reconstruction of the Piltdown skull, 

 drawn by T. L. Poulton. (From Elliot Smith.) 



tially, the evolution of the Hominidae is a story of enlargement 

 of the brain, reduction of the nose, face, and jaws, perfection 

 of the erect position, and loss of opposability of the large toe, 

 which last feature converted the Quadrumana or apes into the 

 Bimana or men. 



