EXPLANATION OF PLATE XXXII. 



All the figures of tbe natural size. 



Figs. 1-6. Amia (Pkotamia) uintaensis: 



Fig. 1. Centrum of a dorsal vertebra, anterior view. Fig. 2. View of the same beneath. 



From Dry Creek Canon. 

 Fig. 3. Centrum of an atlas, anterior view. Fig. 4. Inferior view of the same. From Dry 



Creek Canon. 

 Fig. 5. A series of three posterior dorsal centra, inferior view. From Dry Creek Canon. 

 Fig. 6. Basi occipital, posterior view. Fig. 6a. Inferior view of the same. From Dry Creek. 



Figs. 7-11. Amia (Protamia) media : 



Fig. 7. Centrum of a dorsal vertebra, upper view. Fig. 8. Posterior view. Fig. 9. Inferior 



view. Junction of Sandy and Green Rivers. 

 Fig. 10. Centrum of a posterior dorsal vertebra, back view. Fig. 11. Inferior view. Dry 



Creek. 



Figs. 12, 13. Lepidosteus notabilis : 



Fig. 12. Centrum of a dorsal vertebra, inferior view. Fig. 13. Posterior view. From near 

 Washakie, Wyoming. 



Figs. 14, 15. Lepidosteus atbox : 



Fig. 14. Centrum of an anterior dorsal vertebra, inferior view. Fig. 15. Posterior view. 

 From the junction of Big Sandy and Green Rivers. 



Figs. 16, 17. Lepidosteus (!) See page 190. 



Fig. 16. Centrum of a posterior dorsal vertebra, seen beneath. 

 Fig. 17. Posterior view of the same. 



Fig. 18. Lepidosteus simplex: 



The basi occipital and three vertebral centra, seen beneath. From near Washakie Station, 

 Wyoming. 



Figs. 19-22. Hypamia elegans. A vertebral centrum. From Dry Creek. 



Fig. 19. Upper view. Fig. 20. Lateral view. Fig. 21. Posterior view._ Fig. 22. Inferior 

 view. 



Figs. 23,24. Amia (Protamia) gracilis. A centrum from near the middlo of the dorsal series. Henry's 

 Fork of Green River, Wyoming. 

 Fig. 23. Posterior view. Fig. 24. Inferior view. 



Fig. 25. Lepidosteus (?) 



Fragment of the right dentary bone. See page 190. 



Fig. 26. Lepidosteus simplex. A tooth. See page 191. 



Figs. 27-30. Lepidosteus (?) Scales from Big Sandy and Green River. 



Figs. 31-34. Lepidosteus simplex. Scales. From near Washakie Station. See page 191. 



Figs. 35-38. Lepidosteus. Scales. Little Sandy Creek. See page 192. 



Figs. 39-42. Lepidosteus. Scales. Near Fort Bridger. 



Fig. 43. Lepidosteus. Scale. See page 192. 



