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



7. Littorina Ulvce. 



8. Flustra. Encrusting shells and pebbles. 



Freshwater Shells, etc. of No. 4. 



9. Pisidium amnicum, Gray. 



10. Paludinu impura ; Bithinia tentaculata. Gray. 



1 1 . thermalis ? 



12. Valvata piscinaUs, Gray. 



13. cristata. Gray. 



14. Cypris Faba. 



15. Chara hispida} 



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

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



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



1. Limneus auricularius , Gray. 



2. Paludina impura ; Bithinia tentaculata, Gray. 

 3. minuta. 



4. Valvata piscinaUs, Gray. 

 5. cristata. Gray. 



6. Planorhis imbricntus . 



7. lavis. 



8. helicoides. A new species. Sowerby. 



9. marginatus. 



10. contortus. 



1 1 . 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. PI. II. f. 4, 5. 



24. Pupa edentula. 



25 . Clausilia. 



26. Bulimus lubricus. 



27. Carychium minimum. 



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



29. Seeds of Chara. 



30. Triloculina inflata (Deshayes), figured in Lyell's ' Prin. of Geol. 



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

 it is the only marine shell in this bed. 

 Stanvvay, April 15th, 1811. JOHN BROWN. 



