So L\MEHIBRANCHIATA. 



Chama gigas, var. plicatella, Melville, 1843. 



Cliama plicatella. 

 Ann. Sci. G<5ol. 1843, vol. ii. pi. ii. figs. 7-9, p. 38. 



Chama gigas, var. plicatella. 

 Mon. Pal. Soc. 1871, pi. xxv. fig. 4, p. 174. (F. E. Edwards Coll.) 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Chama prisca, S. V. Wood, 1871. 



Chama prisca. 

 Mon. Pal. Soc. 1871, pi. xxv. fig. 10, p. 177. (F. E. Edwards Coll.) 



Horizon and Locality. 

 Lower Eocene. — London Clay. Higbgate Wood, near Finchley. 



Chama Selseiensis (Edwards, MS.), S. V. Wood, 1871. 



Chama Selseiensis. 

 Mon. Pal. Soc. 1871, pi. xxv. fig. 5, p. 170. (F. E. Edwards Coll.) 



Horizons and Localities. 



Upper Eocene. — Barton Beds. Barton. 



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



Chama squamosa, Solander, 1766. 



Chama sijuamusa. 

 Brandur's ' Foss. llaiit.' 17{JG, pi. vii. iigts. 80, 87, p. 30. (Brander Coll.) 

 Mineral Uonohology, J. Sowerby, 1822, pi. 348. (Sowerby Coll.) 

 Mon. Pal. Soc. 1871, pL xxv. figs. 0"-0", p. 175. (F. E. Edwards Coll.) 



Horizon and Locality. 

 Upper Eocene. — Barton Beds. Barton. 



Chama sulcata (?), Deshayes, 1824. 



Chama sulcata. 

 Coq. Foss. Paris, 1824, vol. i. pi. xxxviii. figs. 8, 9, p. 250. 

 Mon. Pal. Soc. 1871, pi. xxv. fig. 7, p. 175. (F. E. Edwards Coll.) 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Chama turgidula (?), Lamarck, 1819. 



Chama turgidula (?). 

 Hist. Nat. Anim. sans Vert. 1810, vol. 0. part 1, p. 07. 

 Mon. Pal. Sue. 1871, pi. xxv. figs. O^'-O^ p. 170. (F. E. Edwards Coll.) 



Horizons and Localities. 



Upper Eocene. — Barton Beds. Barton. 



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



