222 



GASTEROPODA. 



liifrontia Landunensis. 

 'Coq. Fo9s. Paris, 1833, vol. ii. pi. xxvi. figs. 15, 16, p. 226. 

 Dixon's ' Sussex,' 18o0, pi. vi. fig. 34, p. 100. (F. E. Edwards Coll.) 



Homalaxig Landunensis. 



Ann. Soc. R. Mai. Belgique, 1888, vol. xxiii. p. 256. 



Hm'izon and Localities. 



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

 Brool{. 



Homalaxis marginata^ Deshayes, 1883. 



Bifrontia mai-(/in(ifa. 

 Coq. Foss. Paris, 1833, vol. ii. pi. xxvi. figs. 19, 20, p. 224. 

 Dixon's ' Sussex,' 1850, pi. vi. fig. 36, p. 100. (F. E. Edwards Coll.) 



Honudaxis marginata. 



Ann. Soc. R. Mai. Belgique, 1888, vol. xxiii. p. 253. 



Horizon and Locality. 



Middle Eocene.— Bracklesham Beds. Bracklesham Bav. 



Genus DISCOHELIX, Dunker, 1847. 

 Palseontographica, 1847, vol. i. part 3, pi. xviii. fig. 11, p. 132. 



Orhis, Isaac Lea, 1833. 

 Contrib. Geology, 1833, pi. 4. fig. 112, p. 123, nan Schroter, 1776. 



Discohelix patellatus, J. de C. Sowerbj, 1850. 



Orbis patellatus. 

 Dixon's ' Sussex,' 1850, pi. ix. fig. 23, p. 180. (F. E. Edwards Coll.) 



Horizons and Localities. 



Upper 'Eocene.— Barton Beds. Alum Bay (no. 29 Bed). 



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



Family LITIOPID^, P. Fischer. 



Genus UTIOPA, Rang, 1829. 

 Ann. Sci. Nat. Paris, 1829, vol. 16. p. 303. 



Iiitiopa primzeva, Edwards (MS.). 



Horizon and Locality. 



Lower Eocene. — London Clay. Hampstead Tunnel. 



Litiopa stilculosa, Edwards (MS.). 



Horizon and Locality. 

 Lower Eocene. — London Clay. Hampstead Tunnel. 



