HUMAN LIFE 



cation. The teeth are large but not out of 

 proportion to the size of the jaw. The 

 jaw bone itself is more simian than 

 human, but the teeth are more human 

 than simian. Particularly notable in 

 this respect are the canines which are 

 not large and long, as simian and many 

 other mammal canines are, but small 

 and not extending above the level of the 

 other teeth. However, in their size, 

 heavy roots, and wide pulp cavities, all 

 the teeth present characters which dis- 

 tinguish them readily from human teeth 

 of today. 



In addition to these very earliest actual 

 remains of the bodies of man or man-ape, 

 there have been found, in various local- 

 ities in Portugal, France, Belgium, and 

 England, and perhaps elsewhere, a con- 

 siderable number of flaked flints in 

 positions which undeniably refer them to 

 a geologic time ranging back through 

 Pleistocene into Pliocene and probably 

 into an even earlier age. These flaked 

 flints, which in higher or more complex 

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