PLATE XVIII. 



HORN CORES OF CERATOPS. 



After the originals by Lambe. 

 NASAL HORN CORE OF CERATOPS. 



(See p. 92.) 



Specimen No. 190, Canadian Geological Survey collection. 

 Fig. 1. Right aspect. 

 Fig. 2. Sectional outlines at a and b. 

 One-half natural size. 



RIGHT SUPRAORBITAL HORN CORE OF TYPE OF CERATOPS CANADENSIS LAMBE. 



(See p. 94.) 



Specimen No. 1254, Canadian Geological Survey collection. 

 Fig. 3. Oblique, rear view. 

 Fig. 4. Sectional outline at a. 



o, Orbit. 



One-half natural size. 



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