PROSOBBANCHUTA. — FU8IDJ5. 156 



Genus LEIOSTOMA, Swainson, 1840. 

 Malacology, 1840, p. 308. 



Leiostoma attenuatum, Edwards (MS.). 



Horizon and Localities. 



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



Leiostoma globatum, Deshayes, 1865. 



Fusus globulus. 



Desc. Anim. sans Vert. 1865, vol. iii. pi. l.\x.\iii. figs. 21, 22, p. 288. 



Hofizon and Locality. 



Lower Eocene. — London Clay. Portsmouth. 



Leiostoma ovatum, Beyrich, 1854. 



Leiostoma ovata. 



Zeitschr. Deutsch. geol. Ges. 1854, vol. vi. pi. 14. figs. 8, 9, p. 772. 



Horizon and Locality. 

 Oligocene. — Headon Beds. Brockenhurst. 



Leiostoma pyrus, Solander, 1766. 



Mure.v pyrus. 

 Brander's ' Foss. Hant.' 1766, pi. iv. figs. 62, 53, p. 2(3. (Brander Coll.) 



Murex bulbus. 

 Brander's ' Foss. Hant.' 17C0, pi. iv. fig. 54, p. 27. 



Fustis bulhiformit. 



Ann. Mus. 1803, vol. 2. p. 387. 



Mineral Oonchology, 1821, pi. 291. figs. 1-6 (figs. 1, 2, 4 and 6, Sowerby 



Coll.). 

 Coq. Foss. Paris, 1835, vol. ii. pi. Ixxviii. figs. 5-10, 15-18, p. 570. 



Horizons and Localities. 



Upper Eocene. — Barton Beds. High Cliff; Barton; AlumBay (no. 29Bed). 

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

 Stubbington ; Brook. 



Genus CHRYSODOMUS, Swainson, 1840. 

 Malacology, 1840, pp. 90, 308. 



Chrysodomus antiquus, Solander, 1766. 



Murex antiquus. 



Brander's ' Foss. Hant' 1766, pi. vi. fig. 74, p. 33. (Brander Coll.) 



Murex regularis. 



Mineral Conchology, 1818, pi. 187. fig. 2. (Sowerby Coll.) 



Fusus regularis. 



Mineral Conchology, 1823, pi. 423. fig. 1. 

 Dixon's ' Sussex,' 1850, p. 104. 



Horizons and Localities. 

 Upper Eocene. — Barton Beds. Barton; Hordwell ClifT. 

 Middle Eocene. — Brticklesham Beds. Bracklesham Bay. 

 Lower Eocene. — London Clay. Primrose Hill. 



