4 LAMELLIBKANCIIIATA. 



Ostrea inflata (?), Deshayes, 1824. 



Ostrea infiata. 

 Coq. Foss. Paris, 1824, vol. i. pi. Iviii. figs. 4, 5, p. 3-")9. 

 Dixon's ' Sussex,' 1850, pi. iv. figs. 7", 7^ p. 05. (F. E. Edwards Coll.) 

 Mon. Pal. Soc. 1861, pi. vii. fig. 4, p. 26. (F. E. Edwards Coll.) 



Horizon and Locality. 

 Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Ostrea longirostris, Lamarck, 1806 and 1809. 



Ostrea lonr/irostris. 

 Ann. Mus. 1806, vol. 8. p. 1G2 ; 1809, vol. 14. pi. xxvi. fig. 4. 

 Mon. Pal. Soc. 1801, pi. vi. fig. 4, p. 20. (F. E. Edwards Coll.) 



Horizon and Locality. 



Oligoeene. — Hempstead Beds. Hempstead. 



Ostrea marginidentata, S. V. Wood, 1861. 



Odrea marf/inidentata. 

 Mon. Pai. Soc. 1861, pi. v. figs. 2^-2", p. 27. (F. E. Edwards Coll.) 



Horizon and Localities. 

 Middle Eocene.— -Br«cifesAam Beds. Bracklesham Bay ; Brook ; Stubbing- 

 ton; Whiteclift' Bay. 



Ostrea miUticostata (?), Deshayes, 1824. 



Ostrea multicostata. 

 Coq. F^oss. Paris, 1824, vol. i. pi. Ivu. figs. 3-6, p. 363. 

 Mon. Pal. Soc. 1861, pi. vi. figs. 3% &>, p. 28. (F. E. Edwards Coll.) 



Horizon and Locality. 

 Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Ostrea piilchra, J. Sowerby, 1821. 



Ostrea jndchra. 

 Mineral Conchology, 1821, pi. 279. (Sowerby Coll.) 

 Mon. Pal. Soc. 1861, pi. i., and pi. iv. fig. 2, p. 30. 



Horizons and Localities. 



Lower Eocene. — London Clay. Clarendon; Heme Bay. — Woolwich and 

 Readimi Beds. Reading ; Sundridge ; Bromley ; Bickley ; Chiselhurst ; 

 Woolwich. 



Ostrea tabulata, J. do C. Sowerby, 1850. 



Ostrea tabulata. 

 Dixon's ' Sussex,' 1850, p. 226 (not figured). 

 Mon. Pal. Soc. 1801, pi. iv. fig. 1", p. 31. (F. E. Edwards Coll.) 



Horizon and Locality. 

 Lower Eocene. — London Clay. Bognor. 



Ostrea tenera, J. Sowerby, 1819. 



Ostrea tenera. 

 Mineral Conchology, 1810, pi. 252. figs. 2, 3. (Sowerby Coll.) 

 Mon. Pal. Soc. 1861, pi. vi. fig. 1, p. 31. (F. E. Edwards Coll.) 



Horizons and Localities. 

 Middle Eocene. — Bracklesham Beds. Bracklesham Bay ; Stubbiugton ; 



Huntingbridge. 

 Lower Eocene. —  Woolwich Bedn. M'oolwich ; Charlton. 



