CHAPTER II 

 OUR OWN WORLD 



The Development of Earth-Science. From earliest 

 times men have earnestly sought to increase their knowledge 



AMALCHIUM MARE 



THE WORLD ACCORDING TO HECAT^EUS (500 B.C.) 



about the earth. The ancient Assyrians and Babylonians 

 early determined the definite directions which we call north, 



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