66 
Figure 1 
Figure 2. 
Figure 3. 
Figure 4 
Figure 5. 
Plate XV 
(Natural size) 
Defonticeras oblatum (Whiteaves). (Page 16.) 
. Side view of holotype. National Museum of Canada, Cat. No. 4964. 
Itinsaites itinsae McLearn. (Page 26.) 
. Ventral view of bclotype. National Museum of Canada, Cat. No. 9020. 
Side view, same specimen. 
Kanastephanus canadensis n. sp. (Page 25.) 
. Side view of holotype. National Museum of Canada, Cat. No. 9019. 
. Ventral view, same specimen. 
