68 LAMELLIBBANCHIATA. 



Meretrix tenisa, Edwards (MS.). 



Horizon and Locality. 



Lower Eocene. — London Clay. Portsmouth. 



Meretrix transversa, J. do C. Sowerby, 1823. 



Mineral Conchology, 1823, pi. 422. fig. 1. (Sowerby Coll.) 



Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



Meretrix trigon\ila, Deshayes, 1824. 



Cytherea trigonula. 

 Coq. Fobs. Paris, 1824, vol. i. pi. xxi. flg-s. 12, 13, p. 1.39. 

 Dixon's ' Sussex,' 1850, pi. iii. fig. 2, p. 91. 



Horizon and Localities. 



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

 Brook. 



Meretrix trigonula, var. crassa, Edward-s (MS.). 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Stubbington. 



Meretrix tiunida, Edwards (MS.). 



Horizon and Locality. 

 Oligocene. — Headon Beds. Brockenhurst. 



Meretrix turgescens, Edwards (MS.). 



Horizon and Locality. 

 Oligocene. — Headon Beds. Lyndhurst ; Whitley Ridge. 



Meretrix venatrix, Edwards (MS.). 



Horizon and Locality. 

 Middle Eocene. — Bracklesham Beds. Huntingbridge. 



Meretrix Ytenensis, Edwards (MS.). 



Horizons and Localities. 



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



Middle Eocene. — Bracklesham Beds. Bracklesham IBay. 



Lower Eocene. — London Clay. Alum Bay (no. 4 Bed) ; Portsmouth. 



Genus TAPES, Megcrle von Miihlfeld, 1811. 

 Mag. Ges. Nat. Freund. Berlin, 1811, vol. v. p. 51. 



Tapes Comptoni, Edwards (MS.). 



Horizon and Locality. 



Middle Eocene. — Brackleslmm Beds. Brook. 



