246 GASTEROPODA. 



Middle Eocene. — Brachlesham Beds. Bracklesham Bay : Huntingbridge ; 

 Brook; Bramshaw ; Stubbingtou ; Whitecliif Bay. 



Lower Eocene. — London Clay. Southampton ; Elmstead Tunnel ; Claren- 

 don ; Alum Bay (^no. 4 Bed) ; Bognor. — Woolwich and Beading Beds. 

 Dulwich ; Bromley ; Newbury ; Bickley ; Plumstead. 



Caljrptrsea leevis (?), Deshayes, 1861. 



Calyptreea Icsvif/ata. 

 Coq. Foss. Paris, 1824, vol. ii. pi. iv, tigs. 8-10, p. 31, n<m Lamarck. 



Calyptrcsa lavis. 

 Desc. Anim. sans Vert. 1861, vol. ii. p. 276. 

 Ann. Soc. R. Mai. Belgique, 1888, vol. xxiii. p. 193. 



Horizons and Localities. 



Oligocene. — Headon Beds, Hordwell. 



Middle Eocene. — Bracklesham Beds. Stubbington. 



Cal3rptr8ea obliqua, J. Sowerby, 1815, 



Infiindibulum ohliquum. 



Mineral Conchology, 1815, pi. 97. fig. 1. (Sowerby CoU.) 

 Horizons and Localities. 



Oligocene. — Headon Beds. Brockenburst ; Whitley Ridge ; Roydon. 



Upper Eocene. — Barton Beds. Barton. 



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

 Brook; Stubbington. 



Calyptrsea striatella, H. Nyst, 1845. 



Calyptrtea lameUosa. 

 Messager Sci. Arts Belgique, 1836, vol. iv. p. 158, non Deshayes. 



Calyptraa striatella. 



M^m. Cour. (4to) 1845, vol. xvii. pi. xi. fig. 4, p. 362. 



Desc. Anim. sans Vert. 1861, vol. ii. pi. ix. figs. 3, 4, p. 276. 

 Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



Calyptrsea Suessoniensis, Orbigny, 1850, var. 



Infundibidum Suessoniense. 

 "Prod. Pal. Strat. 1850, vol. 2. p. 320. 



CalyptreBa Suessoniensis. 



IJesc. Anim. sans Vert. 1861, vol. ii. pi. ix. figs. 1, 2, p. 276. 



Ann. Soc. R. Mai. Belgique, 1888, vol. xxiii. p. 194. 

 Horizon and Locality. 



Lower Eocene. — London Clay. Clarendon. 



