PBOSOBEA NCH I ATA . rLEUROTOMIDiE. 1 21 



Plenrotoma dentictila) var. gracilenta, Edwards, 18G0. 



rieurotoma dcnticula, var. gracilenta. 

 Moil. Pal. Soc. 18C0, pi. xxx. %. V, p. 287. (F. E. Edwards CoU.) 



Horizon and Localities. 



Middle Eocone. — Brackksham Beds. Bracklesham Bay ; Stiibbington ; 

 Brook: Bramsliaw. 



Pleurotoma denticula, var. conulus, Edwards, 1860. 



Pletirotdtna denticida, var. comdus. 

 Mou. Pal. Soc. 1860, pi. xxx. fig. 7", p. 287. (F. E. Edwards Coll.) 



Horizon and Localities. 

 Upper Eocene. — Barton Beds. Barton ; High Cliff. 



Pleurotoma denticula, var. odontella, Edwards, 1860. 



Pleurotoma denticula, var. odontella. 



Mon. Pal. Soc. 1860, pi. xxx. fig. 7", p. 287. (F. E. Edwards Coll.) 

 Horizons and Localities. 



Oligocene. — Headon Beds. ColwellBay; HeadonHill; Hordwell; Lynd- 

 hurst. 



Middle Eocene. — Bracklesham Bed*. Brook. 



Pleurotoma denticula, var. mutica, Edwards, 1860. 



I'leurotoma denticula, var. mutica. 



Mon. Pal. Soc. 18C0, p. 287. (F. E. Edwards Coll.) 



Horizon and Locality. 



Upper Eocene. — Barton Beds. High Cliff. 



Pleurotoma divisa, Edwards, 1860. 

 Pleurotoma divisa. 



Mon. Pal. Soc. 1860, pi. xxxi. figs. 17", 17'', p. 278. (F, E. Edwards Coll.) 

 Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Pleurotoma fasciolata, Edwards, 1860. 



Pleurotoma fasciolata. 

 Uon. I'al. Soc. 1860, pi. xxx. figs. 12% 12", p. 286. (F. E. Edwards CoU.) 



Horizon and Localities. 



Lower Eocene. — London Clay. High gate ; KUbum; Finchley; Sheppey. 



Pleurotoma gentilis, J. de C. Sowerby, 1850. 



Pleurotoma (/entilis. 



Dixon's ' Sussex,' 18.50, pi. vi. fig. 2.5, pp. 103, 183. (Dixon Coll.) 

 Mon. Pal. Soc. 1860, pi. xxx. figs, l"^!'', p. 280. (F. E. Edwards CoU.) 



Horizons and Localities. 



Upper Eocene. — Barton Beds. Barton. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay ; Brook ; Bram- 

 shaw ; Huntingbridge. 



