 | Breeding - 1917 - 644 pages
...races of inferior ability appeared toward the end of this Paleolithic or Old Stone age. "About 700 j BC we enter an entirely new period in the history...knowledge goes, were the Mesopotamian empires of Accad and Sumer — though they may have been preceded by the Chinese civilization, whose origin remains a mystery,... | |
 | Breeding - 1917 - 594 pages
...number of other races of inferior ability appeared toward the end of this Paleolithic or Old Stone age. "About 7000 BC we enter an entirely new period in...states, so far as our present knowledge goes, were the Mcsopotamian empires of Accad and Sumer — though they may have been preceded by the Chinese civilization,... | |
 | Breeding - 1917 - 476 pages
...races of inferior ability appeared toward the end of this Paleolithic or Old Stone age. "About 700D BC we enter an entirely new period in the history...knowledge goes, were the Mesopotamian empires of Accad and Sumer — though they may have been preceded by the Chinese civilization, whose origin remains a mystery,... | |
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BC we enter an entirely new period in the history of man, the Neolithic or New Stone age, when the flint implements were polished and not merely chipped. Early as is this date in European culture, we are not far from the beginnings of an elaborate civilization... 