428 Mr. Brown on the Clacton Fluvio-Marine Deposit. 



7. Littorina Ulva. 



8. Flustra, Encrusting shells and pebbles. 



Freshwater Shells, etc. of No. 4. 



9. Pisidium amnicum. Gray. 



10. Paludina impura ; Bithinia tentaculata. Gray. 



1 1 . thermalis ? 



12. Valvata piscinalis , Gray. 



13. cristata, Gray. 



14. Cypris Faba. 



15. Chara hispida} 



Fossils of No. 6. Section fig. 9. descending series. 

 Marine and Freshwater, the same as in No. 4. 



Freshwater Fossils found in Bed No. 7. Sec. 9. 



1. Limneus auricularius. Gray. 



2. Paludina impura ; Bithinia tentaculata, Gray. 



3. minuta. 



4. Valvata piscinalis , Gray. 

 5. cristata. Gray. 



6. Planorbis imbricatus. 



7. Icevis. 



8. helicoides. A new species. Sowerby. 



9. 



10. contortus. 



11. Ancylus fluviatilis. 



12. Pisidium amnicum. Gray. 



13. Henslowianum. 



14. pusillum. Gray. 



15. Cypris Faba. 



16. Cypris. A larger species. 



17. Vertebrae of small fish. 



Land Fossil Shells, etc. from Bed No. 7. Sec. 9. 



18. Helix paludosa ; H. pulchella. Gray. 



19. rufescens. 



20. radiata ; Zonites rotundatus. Gray. 



21. alliaria. 



22. umbilicata ; Zonites umbilicatus, Gray. 



23. conoidea. A new species. PL II. f. 4, 5. 



24. Pupa edentula. 



25. Clausilia. 



26. Bulimus lubricus. 



27. Carychium minimum. 



28. Molar tooth of a Rodent, probably a Water Rat. 



29. Seeds of Chara. 



30. Triloculina inflata (Deshayes), figured in Ly ell's * Prin. of Geol. 



vol.'iii. This minute fossil occurs both at Clacton and Walton 

 it is the only marine shell in this bed. 

 Stanway, April 15th, 1811. JOHN BROWN. 



