PROSOBRANCHIATA. — LAMPtTSIDiR. 145 



Ijatiiras venatrix, Edwards (MS.). 



Horizon and Localities. 

 Middle Eocene. — Brackteskam Beds. Huntingbridge ; Brook. 



Latirus, n. sp. 



Fasciolaria funiculuna. 



Coq. Fos.s. Paris, 18.S.5, vol. ii. pi. Ixxix. figs. 12, 13, p. COS. 

 Morris's ' Cat. Brit. Foss.' 184.3, p. 145. 



Horizons and Localities. 



Upper Eocene. — Barton Beds. Barton. 

 Middle Eocene. — Bracklesham Beds. Brook. 



Family LAMPUSIDJi*, R. B. Newton. 



Genu.s LAMPUSIA, Schumacher, 1817. 



Nouv. Syst. Hab. Test. 1817, p. 250. 



Tritonium, Link, 1807, non Miiller, 1776. 



Triton, Montfort, 1810 ; preoccupied by Linnaeus, 1767, for a genus of Cirri- 



pedia. 

 Momaplex, Perry, 1811 {in partem), Concbology, 1811, pi. iii. 



Ijampusia arguta. Solan der, 1766. 



Murex argttf.us. 



Brander's ' Foss. Hant.' 1706, pi. i. fig. 13, p. 12. (Brander UoU.) 

 Mineral Conchology, 1822, pi. 344 (lower figure, Sowerby Coll.). 



Triton argutus. 

 Di.xon'8 ' Sussex,' 1850, pi. vii. fig. 12, p. 105. (Dixon Coll.) 



Horizons mid Localities. 



Upper Eocene. — Barton Beds. Barton. 



Middle Eocene. — Bracklesham Beds. Brackle.sham Bay. 



Lampusia biserialis, Edwards (MS.). 



Horizon and Locality. 



Upper Eocene. — Barton Beds. High Cliif. 



Lampusia eximia, Edwards (MS.). 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Huntingbridge. 



lampusia expansa, J. de C. Sowerby, ISuO. 



Triton e.rpansus. 



Dixon's ' Sussex,' 1850, pi. v. fig. 15, p. 186. 



Morris's ' Cat. Brit. Foss.' 1854, ed. 2, p. 280. 

 Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



 The genus Triton being preoccupied, it is proposed to substitute the family name 

 of I>ampusida for that oT TritoniidjE. 



