PROSOBRANCHIATA. FISSUKELLID^. 257 



Coq. Foss. Paris, 1832, vol. ii. pi. xxv. fio^s. 12-15, p. 210. 

 Desc. Anim. sans Vert. 1864, vol. ii. p. 943. 



Collonia cmudifera. 

 Ann. Soc. R. Mai. Belgique, 1888, vol. xxiii. p. 70. 



Horizon and Locality. 

 Upper Eocene. — Barton Beds. High ClifF. 



Family DELPHINULIU^, P. Fischer. 



Genus DELPHINULA, Lamarck, 1804. 

 Ann. Mus. 1804, vol. 4, p. 108. 



Cyclostoma, Lamarck, 1801. 

 Syst. Anim. sans Vert. 1801, p. 87, non Lamarck, 1799. 



Delphinula cavata, Edwards (M8.). 



Horizon and Locality. 



Upper Eocene. — Bm-ton Beds. High Glift'. 



Delphinula perelegans, Edwards (MS.). 



Horizon and Locality. 

 Upper Eocene. — Barton Beds. High Cliff. 



Genus LIOTIA, J. E. Gray, 1847. 

 Proc. Zool. Soc. 1847, p. 145. 



Liotia Wami, Defrance, 1818. 



Delphinula Warnii. 



Diet. Sci. Nat. 1818, vol. 12. p. 644. 



Coq. Foss. Paris, 1832, vol. ii. pi. xxiv. hgs. 12, 13, p. 204. 



Dixon's ' Sussex,' 1850, pi. vii. fig. 23, pp. 9!), 179. (^Dixon Coll.) 



Liotina Warnii. 

 Ann. Soc. R. Mai. Belgique, 1888, vol. xxiii. p. 50. 



Horizon and Locality. 

 Middle Eocene. — BracMesham Beds. Bracklesham Bay. 



Family FISSURELLID^, Risso. 



Genus FISSURELLA, Bruguiere, 1789. 



Encycl. M^th. (Vers), 1789, vol. i. p. xiv. 

 M6m. Soc. Hist. Nat. Paris, 1799, vol. i. p. 78. 



Fissurella Edwardsi, J. de C. Sowerby, 1850. 

 Fissurella Edwardsi, 



Dixon's ' Sussex,' 1850, pi. vii. fig, 9, pp. 96, 175. (l"". E. Edwards Coll.) 

 Horizon and Ijocality. 

 Middle Eocene. — Brackletlutm Beds. Bracklesham Bay. 



8 



