140 



GASTEROPODA, 



Voluta Vectiensis, Edwards (MS.). 

 Horizon and Locality. 

 Oligocene. — lleadon Beds. WhiteclifFBay. 



Voluta Wetherellii, J. de C. Sowerby, 1836 and 1840. 



Volnta WethereUii. 

 Lend. Edinb. Phil. Mag. 1836, ser. 3, vol. ix. p. 463 (footnote). 

 Mineral Conchology, 1840, pi. 612. figs. 1-5 (fig. 4, Wetherell Coll.). 

 Mon. Pal. See. 1854, pi. xxiii. figs. 4''-4<', p. 179 (figs. 4», 4', F. E. Edwards 

 Coll. i figs. 4^ 4^ Wetherell 5oll.). 



Horizon and Localities. 



Lower 'Kocene.— London Clay. Potter's Bar; Haverstock Hill; Elsti-ee; 

 Brentford ; Whetstone ; near Chalk Farm. 



Genus MITRA, Chemnitz, 1780. 

 Conchylien-Cabinet, 1780, vol. 4. pi. cxlvii. p. 205. 



Mitra abbreviata, Edwards (MS.). 



Horizmi and Locality. 



Oligocene. — Headim Beds. Brockenhurst. 



Mitra cincta, Edwards (MS.). 



Hoi-izon and Locality. 



Ohgocene. — lleadon Beds. Whitecliff Bay. 



Mitra gracilenta, Edwards (MS.). 



Horizon and Locality. 



Oligocene. — Headon Beds. Roydon. 



Mitra labratula, Lamarck, 1803. 



Mitra lal/raiula. 



Ann. Mus. 1803, vol. 2. p. 58. 



Coq. Foss. Paris, 1835, vol. ii. pi. Ixxxviii. figs. 9, 10, 18, 19. 



Mitra monodonta. 



Dixon's ' Sussex,' 1850, pi. vii. figs. 20, 21, p. 106 {7ion Lamarck). (F. E. 

 Edwards Coll.) 



Mitra labratula. 



Mon. Pal. Soc. 1856, pi. xxiv. figs. 3', 3", p. 182. (F. E. Edwards Coll.) 

 Horizmi and Localities. 



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

 Brook. 



Mitra marginata, Lamarck, 1803 and 1805. 



Mitra marqinata. 

 Ann. Mils. 1803, vol. 2. p. 58 ; 1805, vol. 0. pi. ii. fiss. ?», 7^. 

 Coq. Foss. Paris, 1835, vol. ii. pi. Ixxxviii. figs. 13, f4, p. 669. 



Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



