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      Knowledge is Power

      Scientific American November 24, 1917

      Anomalies of the Animal World—V

      Due to Artificial Selection and Breeding

      • By R. W. Shufeldt on November 24, 1917

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      More in the November 24, 1917 issue of Scientific American
      • Chlorophyll in Animals
      • Mediaeval Masons' Marks and Graffiti
      • The Different Methods of Preparing Rubber
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