PROSODRANCHIATA.— SOLAKIID.E. 



219 



Xenophora discoidea, J. Sowerby, 1812. 



Solarium discoideuin. 

 Mineral Conchology, 1812, pi. 11. upper right hand figures. (Sowerby 

 Coll.) 



Horizon and Localities. 



Upper Eocene. — Barton Hedg. Barton; High Cliff. 



Xenophora extensa, J. Sowerby, 1821. 



Trochus e.rten«us. 

 Mineral Conchology, 1821, pi. 278. figs. 2, 3 (fig. 3, Sowerby Coll.). 



Horizon and Localities. 



Lower Eocene. — London Clay. Ilighgate ; Belsize Lane ; Primrose Hill ; 

 Sheppey ; Hampstead Railway. 



Xenophora venatrix, Edwards (MS.). 



Horizo}i and Locality. 

 Middle Eocene. — Bracklesham Beds. Huntingbridge. 



Family SOLARIID^, Chenu. 



Genus SOLARIUM, Lamarck, 1799. 

 M^m. Soc. Hist. Nat. Paris, 1799, p. 74. 



Solaritun bistriatum, DeshayeH, 1829. 



Solarium histriatum. 



Coq. Foss. Paris, 1820, vol. ii. pi. xxv. figs. 19, 20, p. 215. 

 Dixon's ' Sussex,' 1850, pi. xiv. fig. 20, pp. 119, 227. 



Horizon and Localities. 



Lower Eocene. — London Clay. Portsmouth ; Bognor ; Clarendon ; High- 

 gate Wood Tunnel. 



Solarium Bowerbanki, Edwards (MS.). 



Horizon and Locality. 



Upper Eocene. — Barton Beds. Bartou. 



Solarium canaliculatumj Lamarck, 1804. 



Turbo. 

 Brander's 'Foss. Hant.' 17G6, pi. i. figs. 7, 8, p. 10. 



Solarium cfinalictdatnm. 

 Ann. Mus. 1804, vol. 4. p. 53. 



Coq. Foss. Paris, 1820, vol. ii. pi. xxiv. figs. 19-21, p. 220. 

 Mineral Conchology, 1820, pi. 524. fig. 1. (Sowerby Coll.) 

 Dixon's ' Sussex,' 1850, pi. vi. fig. 3", p. 99. 



Horizons and Localitie.i. 



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



Bed). 

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



Brook ; Stubbington. 



