118 OABTBBOPODA. 



Pleiirotoma Tallavignesii, llouault, 1850. 



Pleurotoma Tallcwignesii. 

 M6m. Soc. G^ol. France, 1850, 8(5r. 2, vol. iii. part i. pi. xvi. figs. 18, 19, 



pp. 460, 482. 

 Mon. Pal. Soc. 1860, pi. xxxiii. figs. 9', 9', p. 270. (F. E. Edwards Coll.) 



Horizon and Localities. 



Lower Eocene. — London Clay. Nuneham ; Southend, 



Pleurotoma tereticosta, Edwards, 1860. 



Pleurotoma tereticosta. 



Mon. Pal. Soc. 1860, pi. xxix. figs. 5", 5", p. 250. (F. E. Edwards Coll.) 



Horizon and Localities. 

 Lower Eocene. — London Clay. Southampton ; Highgate. 



Pleurotoma tereticosta, var. soror, Edwards, 1860. 



Pleurotoma tereticosta, var. soror. 



Mon. Pal. Soc. 1860, pi. xxix. figs. 5=, S^, p. 250. (F. E. Edwards Coll.) 



Horizon and Localities. 



Lower Eocene. — London Clay. Southampton ; Clarendon. 



Pleurotoma tricincta, Edwards, 1860. 



Pleurotoina tricincta. 



Mon. Pal. Soc. 1860, pi. xxviii. figs. 6>, 6", p. 252. (F. E. Edwards Coll.) 

 Horizon and Localities. 



Lower Eocene. — London Clay. Potter's Bar ; Highgate. 



Pleurotoma turgidula, Edwards, 1860. 



Pleurotoma turyidiila. 



Mon. Pal. Soc. 1800, pi. xxix. figs. 4^4^ p. 251. (F. E. Edwards Coll.) 

 Horizon and Locality. 



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



Pleurotoma turpis, Edwards, 1860. 



Pleurotoma tui-pis. 



Mon. Pal. Soc. 1800, pi. xxviii. figs. 2''-2S p. 267. (F E. Edwards Coll.) 

 Horizon and Localities. 



Lower Eocene. — London Clay. Clarendon ; Southampton. 



Pleurotoma undata, Lamarck, 1804. 



Pleurotoma undata. 



Ann. Mua. 1804, vol. i^. p. 167. 



Coq. Fo8s. Pari.<i, 1833, vol. ii. pi. Ixiii. figs. 11-13, pi. Ixiv. figs. 21-23, 

 p. 456. 



Mon. Pal. Soc. I860, pi. xxix. figs. 11", IP, p. 261. (F. E. Edwards CoU.) 

 Horizim and Locality. 



Middle Eocene. — Brachlesham Beds. Stubbington. 



