PLATE VIII. 



ANTERIOR DORSAL VERTEBRA OF TRICERATOPS PRORSUS MARSH. 



(See p. 50.) 



Plate, prepared under the direction of Marsh. 



Specimen No. 4842, U. S. National Museum. 

 Fig. 1. Superior view. 

 Fig. 2. Left lateral view. 

 Fig. 3. Inferior view. 

 Fig. 4. Anterior view. 

 Fig. 5. Posterior view. 



One-fourth natural size. 



214 



