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      Scientific American February 08, 1919

      Anomalies in the Animal World—XV

      Anomalies Found among the Invertebrates

      • By R. W. Shufeldt on February 8, 1919

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      More in the February 08, 1919 issue of Scientific American
      • Estimating Intelligence
      • Scientific Glassware
      • The Detection of “Ghosts” in Prisms—I
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