MAN FROM THE FARTHEST PAST 
as we travel further and further back into the past, we 
find on the whole an increasing rudeness of culture asso- 
ciated with older and older types of animals, many of 
LY, 
CHIMPANZEE 
Fic. 6. Side view of the skulls and brains of modern man and 
chimpanzee. Note the difference in the manner of carrying the head. 
After Boule 
them extinct ages ago. This is no mere guesswork, but is 
clearly proved by the actual remains themselves. 
The bones of men and animals, unlike the rest of the 
body, may, under favorable circumstances, be preserved 
almost indefinitely. Careful study of them can tell us 
much about the looks and habits and the relationships of 
the creatures, human or animal, to which they once 
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