PLATE XXIVc. 



Figs. I, 2.— Jaws of a specimen oi Esihonyx biirmeisteri. From the Big lloni Basin ofWyoming; natural 



size, external view. Page 204. 

 Fig. la. — Inferior view of ujiper jaw. 

 Fig. 2a. — Superior view of lower jaw. 



Figs. 3-10.— Bones of a secoiul specimen of the same species from the .same region, natural size. 

 Fig. 3. — Atlas, from ahove. 



Fig. 4. — Axis, left side ; a, from below ; /), anterior ; c, posterior view. 

 Fig. 5. — Centrum of a dorsal vertebra, posterior view ; a. from below. 

 Fig. ('. — Lumbar centrum, posterior view ; a, from below. 

 Fig. 7. — Caudal vertebra. 



Fig. 8. — Proximal part of uianus, superior view ; a, proximal; b, distal views. 

 Fig. 9. — Ra'lius or fibula, external view; a, internal view. 



Fig. 10. — Pelvis lacking puliis and distal part of ischium ; anterior inner edge ; a, external face. 

 Fig. 11.— Superior maxillary and teethoi' Oxyaenafordpala. From the BigHoin, Wyoming; natural size 



n, inferior view. Page 318. 

 Figs. 1-2-1;'). — Bones of a second Oxydena forcijHita from the same region, natural size; other parts fig- 



ured on Plate XXIV rf. Page 318. 

 Fig. 12. — Distal part of humerus, anterior view ; a, distal virw of the same. 

 Fig. 13. — Radius, proximal extn-ujity. 

 Fig, 14. — Ischium without distal extremity. 

 Fig. 1."). — Radius, distal extremity. 

 Fig. It). — Ulna, distal extremity. 



