PROSOBRANCHIAIA. CBRITHIU)^. T89 



Brachijtrema miiricoidvs. 

 iinii. Soc. U. Mai. ]felj?ique, 188'J, vol. xxiv. \>. 13. 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Biacklesliam Bay. 



Genus SANDBERGERIA, Bosquet, 186J. 

 Mem. desc. Geol. N^erlande, 1861, vol. iii. p. oS. 



Sandbergeria nana, Edwards (MS.). 



Horizon and Localities. 

 Upper Eocene. — Barton Beds. Barton ; High Cliff. 



Sandbergeria pygmsea, Edwards (MS.). 



Horizons and Localities. 



Upper Eocene.- — Barton Beds. Barton ; High Cliff. 

 Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Sandbergeria sp. 



Horizon and Locality. 

 OUgocene. — Hempstead Beds. Hempstead. 



Genus BITTIUM (Leach, MS.), J. E. Gray, 1847. 

 Proc. Zool. Soc. 1847, p. 154. 



Bittinm alterupestre, Edwards (MS.). 



Horizon and Localities. 



Upper Eocene. — Barton Beds. Barton ; High Cliff. 



Bittituu bisecttim, Edwards (MS.). 



Horizon and Locality. 

 Upper Eocene. — Barton Beds. Barton. 



Bittium convexum, Edwards (MS.). 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bramshaw. 



Bittium desmium, Edwards (MS.). 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Bittium semi-granosum, Lamarck, 1804. 



Cerithium seini-yranosum. 

 Ann. Mas. 1804, vol. .3. p. 437. 



Cerithium seini-yranuloimm. 

 Coq. Foss. Paris, 18-':!, vol. ii. pi. liv. figs. 3-6, p. 300. 

 Dixon's 'Siissex,' 1800, p. 182. 



