PLATE VI. 



Fig. 



1, 2. Terebratula punctata, Sow., from the original specimens now in the collection 



of Mr. J. de C. Sowerby. 



3. „ ,, interior, from the same collection. 



4, 5. ,, „ young shells, from Farington Gurney. 



6. „ ,, from the Lias Shale of Dumbleton, near Chel- 



tenham. 

 7, 8, 9, 10. Terebratula subpunctata, Dav., from the marlstone of South Petherton. 

 11 Terebratula Edwardsii, Dav., from the marlstone of llminster. 



12. Terebratula subpunctata, a malformation. 



13, 14. Terebratula Edwardsii, ,, 



15. „ „ ? from a malformation. 



16. Terebratula subpunctata? from a malformation. 



