PROSOBRANCHIATA. S0LARIIDJ5. 221 



Solarium Yteniense, Edwards (MS.). 



Horizon and Localities. 



Middle Eocene. — Bracklesham Beds. Bramshaw ; Brook. 



Genus PHIUPPIA, J. E. Gray, 1847. 

 Proc.Zool.Soc. 1847, p. 140. 



Philippia spirata, Lamarck, 1804 and 180G. 



Solarium spiratum. 



Ann. Mus. 1804, vol. 4. p. 54 ; 1806, vol. 8. pi. viii. % 2. 



Solarium trochiforme (?). 



Dixon's ' Susse.x,' 1850, pi. vii. fig. 10, p. 99. 



Philippia spiratus. 



Desc. Aniiu. sans Vert. 1863, vol. ii. p. 675. 



Eumargarita spirata. 



Ann. Soc. R. Mai. Belgique, 1888, vol. xxiii. p. 63. 



Horizmu and Localities. 



Upper Eocene. — Barton Beds. Alum Bay (no. 29 Bed). 



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



Genus HOMALAXIS, Deshayes, 1832, em. P. Fischer, 1885. 



Omalaris, Deshayes, 1832. 

 Encycl. Meth. 1832, vol. iii. p. 659. 



Bifrontia, Deshayes, 1833. 

 Coq. Foss. Paris, 1833, vol. ii. p. 221. 



Homala.vis, P. Fischer, 1885. 

 Man. Conchyl. 1885, p. 715. 



Homalaxis bifrons, Lamarck, 1804. 



Solarium bifrons. 



Ann. Mus. 1804, vol. 4. p. .56. 



Otnalaxis bifrons. 

 Encycl. Jf^th. 1832, vol. iii. p. 659. 



Bifrontia bifmns. 



Coq. Foss. Paris, 1833, vol. ii. pi. xxvi. figs. 23-25, p. 222. 



Dixon's ' Sussex,' 1850, pi. vi. tig. 37, p. 100. (F. E. Edwards Coll.) 



IIomala.xis bifrons. 

 Ann. Soc. 'R. Mai. Belgique, 1888, vol. xxiii. p. 252. 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Homalaxis Landunensis, Defrance, 1828. 



Solarium Landunense. 

 Diet. Sci. Nat. 1828, vol. 55. p. 487. 



