04 LAMELLIUBANCUTATA. 



Meretrix Forbesii, Edwards (MS.). 

 Horizon and Locality. 

 Oligoceue. — Hempstead Beds. Hempstead. 



Meretrix gravida, Edwards (MS.). 



Horizon and Locality. 

 Upper Eocene. — Barton Beds. Barton. 



Meretrix Hantoniensis, Edwards (MS.). 



Horizon and Locality. 



Oligoceue. — Headon Beds. Brockenhiu'st. 



Meretrix ignota, Edwards (MS.). 

 Horizons and Localities. 

 Middle 'Eocene.— Brachlesham Beds. Brook. 

 Lower Eocene. — London Clay. Portsmouth. 



Meretrix incrassata, J. Sowerby, 1817. 



Venus incrassata. 



Mineral Conchology, 1817, pi. 155. figs. 1, 2. (Sowerby Coll.) 

 Horizons and Localities. 

 Oligocene. — Bembridge Beds. Hempstead; Benibridge. — Headon Beds. 

 Headon; Lyndhurst; Roydon ; Colwell Bay; Brockenburst ; Burn- 

 Heath cutting. 



Meretrix incurvata, Edwards (MS.). 



Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



Meretrix laevigata, Lamarck, 180G and 1808. 



Cytherea laiviqata. 

 Ann. Mus. 1800, vol. 7. p. 134 ; 1808, vol. 12. pi. xxi. figs. 6», 6^ 



Horizons and Localities. 



Upper Eocene. — Barton Beds. Barton. 



Middle Eocene. — Brachleshain Beds. Bracklesham Bay ; Brook ; White- 

 clifTBay; Stubbington; Huntingbridge. 



Meretrix lineolatissima, Edwards (MS.). 



Horizon and Locality. 

 Upper Eocene. — Barton Beds. Barton. 



Meretrix Lyellii (Forbes, MS.), Morris, 1856. 



Cytherea Lyellii. 

 Forbes's ' Isle of Wight,' Mem. Geol. Surv. 1866, pi. 1. fig. 4, p. 145. 



Horizon and Locality. 



Oligocene. — Hempstead Beds. Hempstead. 



Meretrix nitidula, Lamarck, 1806 and 1 808. 



Cytherea nitidula. 

 Ann. Mus. 1800, vol. 7. p. 134; 1808, vol. 12. pi. xxi. figs. 1", I"". 



