PLATE XIX. 



RAMUS AND TEETH OF CERATOPS CANADENSIS LAMBE. 



After the originals by Lambe 



EIGHT MANDIBULAR RAMUS. 



(See p. 94.) 



Specimen No. 2S4, Canadian Geological Survey collection. 

 Fig. 1. External view. 

 Fig. 2. Internal view. 



o, Alveolar groove; b, symphyseal surface; c, mandibular groove; e, coronoid process; /, dentary- 



predentary facet. 

 One-half natural size. 



MAXILLARY TOOTH. 



(See p. 95.) 



(Provisionally associated with Ceratops canadensis Lambe.) 



Fig. 3. External view. 



Fig. 4. Internal view. 



Natural size. 



MANDIBULAR TOOTH. 



(See p. 95.) 



(Provisionally associated with Ceratops canadensis Lambe.) 



Fig. 5. Internal view. 

 Fig. 6. Lateral view, showing divided fang. 

 Fig. 7. External view. 

 Natural size. 



236 



