LAMELLIBRANCHIATA. 



Family OSTREID^, Gray. 



Genus OSTREA, Liuneeus, 1766. 

 Systema Naturae, ed. 12, vol. i. p. 1134. 



Ostrea adlata, S. V. Wood, 1861. 



Ostrea adlata. „ „ „ , , ,-. „ ^ 



Mod. Pal. See. 1861, pi. v. figs. S^-S-", p. 16. (F. E. Edwards Coll.) 



Horizon and Locality. 



01igocme.—IIe7npetead Beds. Hempstead. 



Ostrea aliena, S. V. Wood, 1861. 



Ostrea alieiia. „ ,, . 



Men. Pal. Soc. 1861, pi. viii. fig. 2, p. 16. (F. E. Edwards Coll.) 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Ostrea Bellovacina, Lamarck, 1806 and 1809. 



Ostrea Bellovacina. 

 Ann. Mils. 1806, vol. 8. p. 159 ; 1809, vol. 14. pi. xxv. figs. 1', 1". 

 Mineral Conchology, J. de C. Sowerby, 1823, pi. 388. figs. 1, 2. 

 Mon. Pal. Soc. 1861, pi. iii. figs. 1", 1'; pi. vii. figs. 3", 3^ p. 17. (F. E 

 Edwards Coll.) 



Ostrea edidina (?), Lamarck. 

 Mineral Conchology, J. de C. Sowerbv, 1823, pL 388. figs. 3, 4. (Sowerby 

 CoU.) 



Horizon and Localities. 



Lower Eocene. — Woolwich Beds. Charlton ; Eltham ; Dulwich ; Sundridge 

 Park; Peckham; Chiselhurst. 



Ostrea callifera, Lamarck, 1819. 



Ostrea calUfera. 

 Hist. Nat. Anim. sans Vert. 1819, vol. 6. part i. p. 218. 

 Mon. Pal. Soc. 1861, pi. v. fig. 1*, p. 18. (F. E. Edwards Coll.) 



Horizon and Locality. 



Oligocene. — Hempstead Beds. Hempstead. 



Ostrea cyatbula (?), Lamarck, 1806 and 1809. 



Ostrea ci/athula. 

 Ann. Mus. 1806, vol. 8. p. 163 ; 1809, vol. 14. pi. xxvi. fig. 2. 

 Mon. Pal. Soc. 1861, pi. -vii. fig. 7; pi. viii. fig. 3, p. 19. (F. E. Edwarcb 

 Coll.) 



Horizon cmd Localities. 



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



Ostrea cymbuloides, S. V. Wood, 1861. 



Ostrea cymbuloides. 

 Mon. Pal. Soc. 1861, pi. iii. fig. 2, p. 20. (Bowerbank ColL) 



Horizon and Locality. 



Lower Eocene. — Tliaiiel ■Sniiih. Home Bav. 



