92 



LAMELLIBKAMCHIATA. 



Genus CRYPTOMYA, Conrad, 1850. 

 Proc. Ac. Nat. Sc. riiiladelphia, 1850, vol. iv. p. 121. 



Cryptomya semigranulata, Edwards (MS.). 



Horizon and Localilies. 



Middle Eocene. — Brachlesham Beds. Bramshaw ; Stubbington. 



Family GASTROCH^NIDiE, Gray. 



Genus GASTR0CH.S:NA, Spongier, 1783. 

 Nye Saml. Kong. Dansk. Vid. Selsk. Skrift. 1783, vol. 2. pi. 147, pp. 174-183. 



Gastrochsena, sp. 



Horizon and Locality. 

 Oligocene. — Headon Beds. Brockenhurst. 



4 



Genus ROCELLARIA (Fleuriau-Bollevue, MS.), Blainville, 1828. 



Diet. Sc. Nat. 1828, vol. 57. p. 244. 

 H. & A. Adams' ' Genera of Recent Mollusca,' 1858, pi. xci. figs. 2, 2*, 2", p. 335. 



Rocellaria ampullaria, Lamarck, 1806. 



Fistulana ampullaria. 



Ann. Mu8. 1806, vol. 7. p. 428. 



Coq. Foss. Paris, 1824, vol. i. figs. 17-21, p. 15. 



Fistulana angmta. 



M6m. Soc. Hist. Nat. Paris, 1824, vol. i. part 2, pi. xv. fig. 3, p. 251. 



Fisttdana contorta. 



Coq. Foss. Paris, 1824, vol. i. pi. i. figs. 24-27, p. 16. 



Gastrochcena contorta. 

 Mineral Conchology, 1826, pi. 526. fig. 2. (Sowerby Coll.) 



Gastrochcena corallium, 

 Dixon's ' Sussex,' 1850, pi. ii. fig. 27, p. 164. (Dixon CoU.) 



Gastrochcena ampullaria. 

 Desc. Anim. sans Vert. 1857, vol. i. p. 103. 



Jiocellaria ampullaria. 



Ann. Soc. R. Mai. Belgique, 1886, vol. xxi. pi. i. figs. 6, 7, p. 22. 



Horizmu and Localities. 



Upper Eocene. — Barton Beds. Barton. 



Middle Eocene. — Brackleslmm Beds. Bracklesham Bay. 



Rocellaria Defrancii, Deshayes, 1857. 



Gastrochcena Defrancii. 

 Desc. Anim. sans Vert. 1857, vol. i. pi. ii. figs. 15-18, p. 102. 



Horizon and Locality. 



Lower Eocene. — London Clay. Elmstead. 



