PKOSOItHANCniATA. ALATA. 97 



Sffoiiibtis IluHonensis. 



De8c. Anini. asms Vert. 186>, vol. iii. p. 406. 



Horizons and Localities. 



Upper Eocene. — Barton Beds. Barton ; High Clitt'. 

 ■iliddle Eocene. — Bracklesham Beds. Ilinton. 



Genus APORRHAIS, Da Costa, 1778. 

 Brit. Conch. 1778, pi. vii. fig. 7, pp. 130-1;J8. 



Aporrhais Sowerbii, Mantell, 1835. 



liuslillaria Parkinsoni. 



Mineral Conchology, 1822, pi. .349. figs. 1-5 (figs. 1-3, Sowerby CoU.). 



Mineral Conchology, 1827, pi. 5o8. fig. .3, lower figure. 



(This is quite distinct from Parkinson's Cretaceous specimen of a Siliceous 

 liosteUarite, Org. Remains, 1811, vol. 3. pi. v. fig. 11, p. 63, named by 

 Mantell Rostellaria Parkinsmii, Foss. South Downs, 1822, pi. xviii. figs. 

 1-G & 10, pp. 72, 108.) 



Rostellaria Sowerbii. 



Trans. Geol. Soc. 1835, 2nd ser. vol. iii. p. 203. 



Mineral Conchology, 1835, vol. vi. " Systematical Index," p. 248. 



Rostellaria Margerini. 



Nouv. M6m. Ac. R. Sci. Bruxelles, 1838, vol. xi. pi. ii. fig. 6, pi. iii. fig. 3, 

 p. 28. 



Aporrhais Soicerhii. 



I)i.ton's ' Sussex,' 1850, pi. xiv. fig. 21, p. 120. (Dixon Coll.) 

 Ueol. Mag. 1884, pi. xvii. figs. 2, 0, p. 530. (F. E. Edwards Coll.) 



Aporrhais Margerini. 



Geol. Mag. 1884, pi. xvii. figs. 7, 8, p. 532. (J. S. Gardner Coll.) 



Aporrhais triani/ulata. 



Geol. Mag. 1884, pi. xvii. figs. 3, 4, p. 532. (J. S. Gardner CoU.) 



Ajtoirhais Boiverbaiikii. 



Geol. Mag. 1884, pi. xvii. figs. 0, 10, p. 532 (flg. 9. F. E. Edwards Coll. ; 

 fig. 10, .1. S. Gardner Coll.). 



Aporrhais Jirma. 



Geol. Mag. 1884, pi. xvii. figs. 1, 2, p. 533. (F. E. Edwards Coll.) 



Horizons and Localities. 



Oligocene. — Hempstead Beds. Hempstead. — Headon Reds. Brockenhurst. 



Lower Eocer.e. — London Clay. Alum Bay (no. 4 Bed) ; Ilighgate; Bognor; 

 Clarendon; Elmstead ; Finchley; Southampton; Portsmouth; Haver- 

 (•tock Hill ; Potter's Bar ; Shcppey ; Aldboro' ; Maidenhead. — Oldhaven 

 Reds. W. of Oldhaven Gap. — Thanet Sands. Heme Bay. 



Genus TEREBELLUM (Klein, 1753), Lamarck, 1799. 



Ostracologicie, 1753, pi. ii. fig. 48, p. 38. 

 Mem. Soc. Hist. Nat. Paris, 1709, p. 69. 



Terebellum fusiforme, Lamaick, 1802. 



Terchi'llinn fusiforme. 

 Ann. Mii.s. ]'802, vol. 1. p. .390. 



Mineral Conchology, 1821, pi. 287, lower figures. (Sowerby Coll.) 



II 



