PITHECANTHROPUS 

 ERECTUS 



HOMO 

 NEANDERTHALENSIS 



FIGURE NO. 25 



CRO-MAGNON 

 MAN 



PITHECANTHROPUS, NEANDERTHAL MAN 

 AND CRO-MAGNON MAN 



By Professor J. H. McGregor, Columbia University. 

 Originals in American Museum of Natural History. 



Reproduced by permission of Professor McGregor. 



