PLATE XXII. 



SUPERIOR PORTION OF OCCIPITAL, PARIETAL, AND FRONTAL SEGMENTS OF 

 SKULL, WITH COALESCED DERMAL OSSIFICATIONS, OF STEGOCERAS. 



(See p. 97.) 

 After the originals by Lambe. 



Stegoceras validus Lambe. Type specimen, No. 515, Canadian Geological Survey Collection. 



Fig. 1. Lateral aspect. 



Fig. 2. Inferior view. 

 Stegoceras validus Lambe. Specimen No. 1423, Canadian Geological Survey Collection. 



Fig. 3. Superior view. 



Fig. 4. Lateral view. 



Fig. 5. Inferior view. 

 Natural size. 



242 



