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  Illustrations

  Fig. 68: In the Days of the Sea Monsters (Plesiosaurus and Ichthyosaurus)

  • Part of Triumphs & Wonders of Modern Chemistry

  • 1913

  • Author Martin, Geoffrey, 1881-1966
  • Publisher D. Van Nostrand Company
  • Subject Sea monsters, Chemistry, Phosphorus, Extinct reptiles, Plesiosaurus, Ichthyosaurus, Coprolites