Modern man 



Neanderthal man 

 Piltdown man — 



Pithecanthropus 

 (Java ape-man) 



Gorilla 



Modem man 

 Neanderthal man 

 Piltdown man 



Java 

 ape - man 



Gorilla 



THE BRAINS OF HUMAN TYPES AND OF OTHER PRIMATES 



These five types of skulls and brains suggest relationships. The larger and larger 

 brains correspond to more and more recent types, although they do not necessarily 

 indicate straight lines of descent 



