244 ROYAL SOCIETY OF CANADA 
PLATE V. 
Figure 14.—Frontal, viewed from above; 14a, the same viewed from 
below. Natural size. 
a, suture for prefrontal; b, suture for parietal; c, suture for post- 
frontal; d, suture for alisphenoid. 
Figures 15 to 23.—Scutes, exterior aspect. Natural size. 
