PLATE VII. 



Fig. 



1,2. Terebratula lagenalis, Sc/d., from the Cornbrash of Rushdon. 



3. „ ,, interior. 



4 



5. Terebratula obovata, Sow., malformation, from the Cornbrash. 



6, 7, 8, 9. Terebratula ornithocephala, Sow., from the Fullers Earth of Bath. 7. 8, from 



the Cornbrash of Rushden; in British 

 Museum. 

 10, 11, 12, 13. „ „ from Fullers Earth. 10, 11, are the 



original specimens of T. triquetra, 

 Sow., from Mr. J. de C. Sowerby's 

 collection. 



14. Terebratula sublagenalis, Dav., in British Museum's collection. 



15, 16. Terebratula Buckmanii, Dav., from the Inferior Oolite of Cheltenham. 

 17 — 22. Terebratula Lycettii, Dav., from the Upper Lias, near Ilminster. 



23. Terebratula ornithocephala, Sow., interior, from the Kelloway Rock. 



