PLATE XX. 



PAGE 



Figs. 1-4. Dkyosaurus grandis Lull 204 



1. Side view of proximal phalanx. X %. Near Muirkirk. (5453 U. 



S. N. M.) 



2. Front view of same. 



3. Phalanx. X %. Near Muirkirk. (2609 G. C.) 



4. Front and side views of ungual phalanx. X %. Near Muirkirk. 



(U. S. N. M.) 



Figs. 5, 6. Princonodox crassus Marsh. (After Marsh.) 207 



5. Outer, edge, and inner views of tooth. Natural size. Muirkirk. 



(2135 U. S. N. M.) 



6. Dorsal and left lateral view of dorsal vertebra. X V2- Near Muir- 



kirk. (3101 G.C.) 



Fig. 7. GONIOPHOLIS AFFINIS Lull 210 



Edge view of tooth. Natural size. Branchville. (8175 W. C. B.) 



