232 GASTBKOPOBA. 



Turbo ]}lieatus. 

 Coq. Fo3s. Paris, 1833, vol. ii. pi. xxxiv. figs. 12-14, p. 261. 



Rusoa Michaudii. 



Mes.sager Sci. Arts Belgique, 1836, vol. iv. pi. iii. flg. oS, p. 163. 

 Conchyl. Mainzer Tert. 1863, pi. x. fig. 12, p. 128. 



Rissoa turhinata. 

 Desc. Anim. sans Vert. 1861, vol. ii. p. 405. 



Horizon and Locality. 

 Oligoceiie. — Hempstead Beds. Hempstead. 



Rissoa turbinopsis, Deshayes, 1861. 



Rissoa turbitiopsis. 



Desc. Anim. .sans Vert. 1861, vol. ii. pi. sxiii. figs. 23-25, p. 409. 



Alvania turbinopsis. 



Ann. Soc. R. Mai. Belgique, 1888, vol. xxiii. p. 230. 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Huntingbridge. 



Rissoa zosta, Bayan, 1873. 



Rissoa cingulata. 



Desc. Anim. sans Vert. 1861, vol. ii. pi. xxiv. figs. 16-18, p. 408. 



Oaleodina zosta. 

 fitudes Coll. £c. Mines, 1873, fasc. 2, p. 94. 



Horizmi and Locality. 



Upper Eocene. — Barton Beds. High Cliff. 



Rissoa, sp. 



Rissoa Sowerbyi. 



Edwards (MS.), ncm Deshayes. 



Horizons and Localities. 



Upper Eocene. — Barton Beds. High Cliff'. 



Upper 

 Middl( 



die Eocene. — Bracklesham Beds. Bracklesham Bay. 



Genus RISSOINA, Orbigny, 1840. 



Voy. AmMque m6rid. [Mollusques], 1840, vol. 5. part iii. pi. 53. figs. 11-16, 



p. 395. 



Rissoina cochlearella, Lamarck, 1804. 



Melania cochlearella. 

 Ann. Mus. 1804, vol. 4. p. 432. 

 Coq. Eoss. Paris, 1825, vol. ii. pi. xiv. figs. 13-17, p. 117. 



Rissoina cochlearella. 

 Desc. Anim. sans Vert. 1861, vol. ii. p. 394. 



Zebinella cochlearella. 

 Ann. Soc. R. Mai. Belgique, 1888, vol. xxiii. p. 2.38. 



Horizon and Localities. 



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



