( 192 ) 



Fig. Fig. 



16. Nautilus astacoides, Young and Bird. 20. Belemnites tubularis, in three portions, 



(lineatus ? Min. Conch.) (compressed at each end.) 



17- Ammonites balteatus. * 21. Belemnites compressus. 



18. Nautilus annularis. * 22. Ammonites crenularis. * 

 19' Ammonites heterogeneus. 



Plate XIII. Upper Lias Shale, Marlstone and Ironstone Series, p. 160. 



1. Ammonites vittatus. 8. Ammonites Hawskerensis. 



2 heterophyllus. 9 arcigerens. * 



3 subcarinatus. 10 ovatus. 



4 sigmifer. * 11 maculatus. 



5 Conybeari ? jun. 12 elegans.? 



6 Lythensis. 13 erugatus. * 



7 exaratus. 



14. Cardium truncatum. 20. Ophiura Milleri. * 



15. Pholadomya obliquata. * 21. Cardium multicostatum. * 



16. Pullastra. * 22. Terebratula triplicata. *. 

 17- Spine of cidaris. 23 resupinata. 



18. Turbo undulatus. * 24 bidens. * 



19. Ammonites anguliferus. * 25 acuta. 



Plate XIV. Marlstone Series, Lower Lias Shale, p. 160. 



1. Sanguinolaria. 5. Pecten sublaevis. 



2. Modiola scalprum. 6. Ammonites Clevelandicus. 



3. Avicula cygnipes. 7- Gryphaea depressa. * 



4 inaequivalvis. 8. Dentalium giganteum. * 



9. Ammonites geometricus. * 14. Ammonites Turneri ? 



10. Natica. 15. Plicatula spinosa. 



11. Trigonia literata. 16. Serpula capitata. * 



12. Corbula cardioides.* 17- Pinna folium. 



13. Ammonites Bucklandi, jun. 18. Variety of plagiostoma rusticum. ? 



FINIS. 



(THOMAS WILSON AND SONS, HIGH-OUSEGATE, YORK.) 



