46 LAMELLIBEANCHIAIA. 



Lucina Thierensi, Hebert, 1849. 



BuU. Soc. G6oi. France, 1849, s^r. 2, vol. vi. pp. 467, 468. 

 Desc. Anim. suns Vert. 1860, pi. xlii. figs. 13-16, p. 66. 



Horizon and Locality. 

 Oligocene. — Bembridge Beds. Hempstead. 



Lucina tortilis, Edwards (MS.). 



Horizon and Localities. 

 Upper Eocene. — Barton Beds. Barton ; Beacon Bunney, near Barton. 



Iiucina ventricosa, Watelet, 1851. 



Lucina veyitricosa. 



Soc. Hist. Arch^ol. Sci. Soissons, 1851, vol. v. pi. i. figs. 20-23, p. 119. 



Horizon and Locality. 

 Middle Eocene. — Braeklesham Beds. Bramshaw. 



Iiucina vicuna, Edwards (MS.). 



Horizon and Locality. 

 Middle Eocene. — Braeklesham Beds. Braeklesham Bay. 



Genus SPORTELLA, Deshayes, 1860. 

 Desc. Anim. sans Vert. 1860, p. 693. 



Sportella dubia, Deshayes, 1824. 



Psammotea dubia. 



Coq. Foss. Paris, 1824, vol. i. pi. x. figs. 13, 14, p. 76. 



Sportella dahia. 

 Desc. Anim. sans Vert. 1860, p. 595. 



Horizon and Locality. 



Middle Eocene. — Braeklesham Beds. Braeklesham Bay. 



Sportella intermedia, 8. V. Wood (MS.). 



Horizon and Localities. 



Upper Eocene — Barton Beds. Barton; High Clifl'. 



Sportella ovalina, S. V. Wood (MS.). 



Horizon and Locality. 



Upper Eocene. ^ — Barton Beds. Barton. 



Genus DIVARICELLA, E. von Martens, 1880. 

 Beitr. Meeresf. Mauritius Seychellen. Mollusken, 1880, pi. 22. fig. 14, p. 321. 



Divaricella Colvellensis, Edwards (MS.). 



Horizon and Localities. 

 Oligocene. — Headon Beds. Mead End ; ColweU Bay ; Headon. 



