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19. Cope, E. D.—On the Characters of the Skull in the Hadi 
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monly Named Dinosauria. Proc. Roy. Soc., Vol. XLIII., Nov. 24, 1887, PP: 
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24. MARSH, O. C. —Comparison of the Principal Forms of the Dinosauria 
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30.. MARSH, O. C uGlosnte Pike or Horned Dinosaurs of 
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