188 GASTEROPODA. 



Campanile giganteum, Lamarck, 1804. 



Cerithium (/iganteum. 

 Ann. Mus'. 1804, vol. 3. p. 439. 



Mineral Conchology, 1818, pi. 188. fig. 2. (Sowerbv Coll.) 

 Coq. Fo8s. Paris, 1833, vol. ii. pi. xlii. figs. 1, 2, p. 300. 

 Dixon's ' Sussex,' 1850, pi. vi. fig. 10, p. lOl. 



Campanile giganteum. 

 Ann. Sec. R. Mai. Belgique, 1889, vol. xxiv. p. 30. 



Horizon and Localities. 



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



Campanile incomptum, J. de C. Sowerby, 1850. 



Cerithium incomptuin. 

 Dixon's ' Sussex; 1850, pi. vi. fig. 18, p. 181. (Dixon Coll.) 

 Desc. Anim. sans Vert. 1864, vol. iii. pi. Ixxvii. fig. 1, p. 116. 



Campanile incomptum. 

 Ann. Soc. R. Mai. Belgique, 1889, vol. xxiv. p. 30. 



Horizon and Localities. 



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



Genus SEMIVERTAGUS, Cossmann, 1889. 

 Ann. Soc. Mai. Belgique, 1889, vol. xxiv. p. 32. 



Semivertagus unisulcatns, Lamarck, 1804. 



Cerithitim unisulcatum. 

 Ann. Mus. 1804, vol. 3. p. 440. 



Coq. Fobs. Paris, 1833, vol. ii. pi. Ivii. figs. 14-16, p. 384. 

 Dixon's ' Sussex,' 1850, pi. vii. fig. 4, pp. 102, 182. (F. E. Edwards CoU.) 



SemivertagM unisulcatus. 



Ann. Soc. E. Mai. Belgique, 1889, vol. xxiv. p. 32. 



Horizon and Localities. 



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



Genus ? BRACHYTREMA, Morris and Lycett, 1850. 

 Mon. Pal. Soc. 1850, pi. v. fig. 7, pi. ix. figs. 35, 35", p. 24. 



Brach3rtrema Boblayi, var. conoidalis, Desliayes, 1833. 



Cerithium Boblayi. 

 Cerithitim conoidale. 



Coq. Foss. Paris, 1833, vol. ii. pi. Ixi. figs. 1-8, pp. 424,425, non Lamarck. 



Desc. Anim. sans Vert. 1865, vol. iii. p. 231. 



Horizon and Locality. 



Oligocene. — Hempstead Beds. Hempstead. 



Brachjrtrema muricoides, Lamarck, 1804. 



Cerithium muricoides. 

 Ann. Mus. 1804, vol. 3. p. 349. 



Coq. Foss. Paris, 1833, vol. ii. pi. Ixi. figs. 13-10, p. 426. 

 Dixon's 'Sussex,' 1850, p. 182. 



