PLATE 12. 



Pterosauria. — Pterodactylus Woodwardi. Criorhynchus simus. 



Fig. 

 I. 



-.} 



Cervical vertebra?. 



3. Fore part of skull. 



4. Last cervical vertebra. 



5. Articular surface for wing-bones. 



6. Carpal bone. 



7. 



9. 

 10. 

 11. 

 12. 

 13. 

 14. 

 15. 

 16. 



J»Part of sternum. 



Caudal vertebra?. 



From Upper Greensand, Cambridgeshire. 



