Man's Antiquity i<^y 



of some covering made possible his survival without the de- 

 velopment of a tougher or a thicker skin. 



Man's Antiquity 



Remains of early man have been found in North 

 America, in South America and in Africa, but these gen- 

 erally leave considerable doubt as to their age and as to the 



Pithecanthropus Heidelberg . Cro-Magnon 



Fig. 49. Three Stages in Human Development 



Restorations to suggest probable appearance of three primitive types of human 

 beings. Photographs of figures molded by Professor John H. McGregor on the basis 

 of fossil fragments discovered from time to time in various parts of the world. From 

 Gruenberg, Elementary Biology, published by Ginn & Company. 



characteristics of the beings who left them. Most of the 

 evidence we have regarding early man comes from various 

 European fossils, many found in association with chipped 

 flints and other indications of human handiwork. None of 

 the unmistakably human relics occur in rock formations 

 older than the great ice age, the so-called Pleistocene or 

 Quaternary period. Some specimens recently found in East 

 Anglia, however, suggest the possibility of human beings in 

 the later part of the Tertiary period. 



The first find of distinctly human fossils was made in 

 1856, the remains of the now famous Neanderthal man (Fig. 



