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      Knowledge is Power

      Scientific American June 14, 1919

      The Shell Builders-III

      A Brief Introduction to the Study of Conchology

      • By R. W. Shufeldt on June 14, 1919

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      More in the June 14, 1919 issue of Scientific American
      • A Unique form of Prehistoric Pottery
      • Spectrum Analysis and Atomic Structure
      • The Races of Russia—II
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