LTTCINID*. — tJNGUUNID^. 



Divaricella obtuso-undulata, Edwards (MS.). 



Horizon tind Locality. 



Middle Eocene. — Bracklesham Beds. Stubbington. 



Divaricella pulchella, L. Agassiz, 1845. 



Tdliiia diraricata. 

 Systema Naturae (Gmelin), 1789, ed. 13, vol. vi. p. 3241. 



Lticina diraricata. 

 Mineral Concliology, 1823, pi. 417. (Sowerby CoU.) 



Lucina pulchella. 

 Nouv. M^in. Soc. Helv^tiqne Sci. Nat. 1845, vol. vii. pp. 63, 64. 

 Desc. Anim. sans Vert. 1860, p. 629. 



Horizon and Localities. 

 Oligocene. — Headon Beds. Headon ; Hordwell. 



Divaricella Rigaultiana, Deshayes, 1860. 



Lucina Itiyaidtiana. 

 Desc. Anim. sans Vert. 1860, pi. xlvii. figs. 28-30, p. 631. 



Horizon and Locality. 

 Upper Eocene. — Barton Beds. Barton. 



Divaricella serrata, J. de C. Sowerby, 1850. 



Lucina serrata. 



Dixon's ' Sussex,' 1850, pi. iii. fig. 7, p. 166. (F. E. Edwards Coll.) 

 Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Family UNGULINID^, H. & A. Adams. 



Genus DIPLODONTA, Bronn, 1831. 

 Ital. Tert.-Geb. org. Einsch. 1831, pi. iii. fig. 2, pp. ix-xii. 



Diplodonta sequalis, Edwards (MS.). 



Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



Diplodonta attenuata, Edwards (MS.). 



Horizons and Localities. 



Upper Eocene. — Barton Beds. High Cliff. 



Middle Y.ocezie.— Bracklesham Beds. Huntingbridge. 



Diplodonta compressa, Edwards (MS.). 

 Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Diplodonta confusa, Edwards (MS.). 



Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



47 



