Plate VIII. 



Figure 1. — Restoration of the notarium of Pteranodon sp., No. 2692; seen from the left 

 side, x 0.75 



Figure 2. — The same specimen ; seen from in front, obliquely, x 0.75 



Figure 3. — The same specimen ; superior view, x 0.75 



Figure 4. — The same specimen ; inferior view, x 0.75 



