-■1 lAMELLIBKANCHIATA. 



Nucula gracilenta, 8. V. Wood, ]864. 



Nucula gracilenta. 



Men. Pal. See. 1864, pi. xx. fig. 6, p. 122. (F. E. Edwards Coll.) 



Horizons and Localities. 



Lower Eocene. — London Clay. Elmstead; Portsmouth. — Woolwich Beds. 

 Bickley; Bromley. 



Nucula Headonensis (Forbes, MS.), Morris, 1856. 



Forbes'8 ' Isle of Wight,' Mem. Geol. Surv, 1856, pi. vi. figs. 12, 12*, 12", , 



p. 156 

 Mon. Pal. Soc. 1864, pi. xviii. figs. 3% 8", p. 113. (F. E. Edwards Coll.) 



Horizons and Localities. 

 Oligocene. — Osborne Beds. St. Helen's. — Headon Beds. Hordwell ; Headou 

 Hill: ColweUBay. 



Nuctila lamellata, Edwards (MS.). 



Horizon and Locality. 



Lower Eocene. — Lmidon Clay. Ilampstead Tunnel. 



Nucula lissa (Edwards, MS.), S. V. Wood, 1864. 



Nvcula lissa. 



Mon. Pal. Soc. 1864, pi. xviii. figs. 4", 4'' ; pi. xx. figs, l^-l", p. 113. (F. E. 

 Edwards Coll.) 



Horizons and Localities. 



Oligocene. — Headon Beds. Hordwell. 



Upper Eocene. — Barton Beds. Barton ; High Clifi; 



Middle Eocene. — Bracklesham Beds. WhitecUif Bay. 



Nucula minor, Deshayes, 1860. 



Nucula minor. 



Desc. Anim. sans Vert. 1860, vol. i. pi. Ixiv. figs. 17-20, p. 823. 

 Mon. Pal. Soc. 1864, pi. xviii. fig. 10, p. 114. (f . E. Edwards Coll.) 



Horizon and Localities. 

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

 shaw. 



Nucula nudata, S. V. Wood, 1864. 



Nucula nudata. 



Mon. Pal. Soc. 1864, pi. xx. figs. 4", 4'', p. 115. (F. E. Edwards CoU.) 

 Horizon and Localities. 



Oligocene. — Headon Beds. Headon Ilill ; Colwell Bay ; Brockenhurst ; 

 Koydon. 



Nucula plagia, Edwards (MS.). 



Horizon and Locality. 



Lower I'-ocene. — London Clay. Alum Bay ( uo. 4 Bed ). 



