xvi. REFERENCE TO PLATE XVI. 441 



Karaites armatus. Sow. L. C. Basset-Down, Wilts. 



attenuatus. Sow. G. Wilts. 



Parkinsoni. Flem. U.G. Wilts. 

 Nautilus Deslongchampianus. 0. G. 8. L. G. Warminster. 



elegans. Sow. U. G. Warminster. 



,, Faringdonensis. Sharpe. L. G. Faringdon. 



laevigatus. D'Orb. L. G. Faringdon. L. C. Warminster. 



Larzilliertianus. 0. G. 8. L. C. Warminster. 



pseudelegans. D'Orb. U. G. Devizes. 

 Scaphites sequalis. U. C. Herts. 

 Turrilites Scheuzerianus. Bosc. L. C. Wilts. 



tuberculatus. Sow. L. C. Basset-Down, Wilts. 



Belemnitella comes now for the first time into notice, and re- 

 places the older type of belemnites. Karaites becomes prevalent, 

 and with scaphites, baculites, and turrilites give quite a new aspect 

 to the group of the ammonitidse. 



PISCES. 

 Placoidei. 



Acrodus. 



Gyrodus. 0. G. 8. L. G. Faringdon. 



Lamna acuminata. Ag. L. G. Faringdon. 



Otodus appendiculatus. Ag. U. G. Warminster. 



Pycnodus. O.G.8. L.G. Faringdon. 



Strophodus. 0. G. S. L. G. Faringdon. 

 REPTILIA. None obtained in this district. 



REFERENCE TO THE FIGURES OF FOSSILS FROM THE LOWER 

 GREENS AND ('SPONGE-BED') OF FARINGDON IN PLATE XVII. 



1. Manon macropora, ordinary appear- 

 ance, a. The oscula, when the 

 surface is seen complete. b. The 

 same decorticated. 



2, 3. Manon Faringdonensis. 



4. "Verticillites anastomosans. a. The 



surface magnified. &. Section of the 

 interior. 



5. Cidaris Faringdonensis. One plate. 



6. Salenia punctata. 

 7- Serpula gordialis. 



8. Pustulopora pseudospiralis. 



9. The same, magnified. 



10. Diastopora ramea (?), magnified. 



u. Alecto gracilis, magnified. 



12. Cricopora gracilis. a. Magnified 

 cells. 



13. Ceriopora dichotoma. a. Cross sec- 

 tion, b. Magnified cells, c. Still 

 more magnified. 



14. Rhynchonella latissima. 



15. Terebratella Menardi. 



16. Terebratula depressa. a. The pores. 



1 7. Tornacensis. 



18. Lima Faringdonensis. 



19. Pecten elongatus. a. The plaits. 



20. Ostrea frons. 



21. Exogyra conica. 



These fossils are regarded as inhabitants of the waters in which 

 the sponge-beds were deposited ; others drifted into this deposit, 

 from older strata, are mentioned p. 425- 



