Plate IV. 



Figure 1. Composite restoration of the skull of Pteranodon. based on the type of P. 

 ing ens Marsh, No. 2594, and on Pteranodon sp.. No. 2473 ; seen from the left 

 side, x 0.14 



Figure 2. Restoration of the skull of the type of P. ingens Marsh, No. 2594; palatal 

 view, x 0.50 



