Wsv 



Modern 

 man 



~\ 



V 



Neanderthal man 



^"^^^ 



Cro-Magnon man 





y 





Piltdown man 



Heidelberg man 



MAN'S DISTINCTIVE CHIN 



Fossil remains of human bones indicate progressive changes from the earlier chin- 

 less jaw of Heidelberg man, resembling that of the gorilla, to the less massive jaw, 

 with its prominent chin, of modern man; and they indicate corresponding changes 

 in the teeth 



