VERTICORDIID.E. UABDIIDJi;. 51 



Family VERTICORDIID^, Stoliczkn. 



Genus VERTICORDIA, S. V. Wood and J. dc C. Sowerby, 1844 



and 1846. 



Mineral Conchology, 1844, vol. vii. pi. 639 ; 1846, vol. vii. p. 67. 



Verticordia obliquata (Edwards, MS.), S. V. Wood, 1871. 



Verticordia obliquata. 

 Mon. Pal. Soc. 1871, pi. xxi. flgs. 8", 8", p. 1.39. (F. E. Edwards Coll.) 



Horizon and Locality. 

 Middle Eocene. — Bracklesham Beds. Bracklosham Bay. 



Verticordia propinqua, S. V. Wood, 1871. 



Verticm-dia prnpinqua. 

 Mon. Pal. Soc. 1871, pi. xxi. %. 7, p. 140. (F. E. Edwards Coll.) 



Horizon and Locality. 

 Lower Eocene. — London Clay. Highgate. 



Verticordia sulcata^ J. Sowerby, 1821. 



Isocardia sulcata. 



Mineral Conchology, 1821, pi. 29o. %. 4. (Sowerby Coll.) 



Verticordia sulcata. 

 Mon. Pal. Soc. 1871, pi. xxi. figs. 9", 9^ p. 140. 



Horizon and Localities. 



Lower Eocene. — London Clay. Copenhagen Fields; Potter's Bar; Mus- 

 weU Hill ; Sheppey. 



Family CAEDIIDJi, Lamarck. 



Genus CARDIUM, Linnfeus, 1766. 

 Systema Nature, 1766, ed. 12, vol. i. p. 1121. 



Cardium asperulum, Lamarck, 1805 and 1807. 



Cardium asperulum. 

 Ann. Mus. 1805, vol. 6. p. 343 ; 1807, vol. 9. pi. xvii. flgs. 7% 7"'. 



Cardium altematitm. 

 Dixon's ' Sussex,' 1850, pi. iii. fig. 14, p. 108. (F. E. Edwards Coll.) 



Horizon and Localities. 



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



Cardium Etheridgii, Edwards (MS.). 



Horizon and Locality. 

 Oligocene. — Hempstead Beds. Hempstead. 



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