PROSOBEANCHIATA. PLETTBOTOMID^. 125 



Pleurotoma Iseviuscula, Edwards, 1860. 



Pleurotoma laviuscula. 

 Mon. Pal. Soc. 1860, pi. xxxii. figs. 9', 9^ p. 310. (F. E. Edwards Coll.) 



Horizon and Locality. 

 Oligocene. — Headon Beds. Brockenhurst. 



Pleurotoma ligata, Edwards, 1860. 



Pleurotoma liyaia. 

 Mon. Pal. Soc. 1860, pi. xxxii. figs. 12", 12", p. 313. (F. E. Edwards Coll.) 



Horizon and Localities. 

 Middle Eocene. — Bracklesham Beds. Bramshaw ; Huntingbridge ; Brook, 



Pleurotoma lima, Edwards, 1860. 



Pleurotoma lima. 

 Mon. Pal. Soc. 1860, pi. xxxii. figs. 3''-3% p. 296. (F. E. Edwards CoU.) 



Horizon and Localities. 

 Upper Eocene. — Barton Beds. Barton ; High ClitR 



Pleurotoma monerma, Edwards, 1860. 



Pleurotoma monerma. 

 Mon. Pal. Soc. 18C0, pi. xxxii. %s. 1"-!', p. 292. (F. E. Edwards Coll.) 



Horizons and Localities. 

 Upper Eocene. — Barton Beds. High CUfi: 

 Lower Eocene. — London Clay. Clarendon. 



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



Pleurotoma ohscurata. 



Dixon's ' Sussex,' 1850, pi. vii. fig. 19, pp. 103, 184. (Dixon Coll.) 

 Mon. Pal. Soc. 1800, pi. xxxi. figs. 1», l", p. 296 (fig. 1", F. E. Edwards 

 Coll.) 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Pleurotoma parilis, Edwards, 1860. 



Pleurotoma parilis. 

 Mon. Pal. Soc. 1860, pi. xxxi. figs. 10"-10'-, p. 309. (F. E. Edwards Coll.) 



Horizon and Localities. 



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



Pleurotoma puella, Edwards, 1860. 



Pleurotoma puella. 

 Mon. Pal. Soc. 1860, pi. xxxi. flgs. 15% lo", p. 305. (F. E. Edwards Coll.) 



Horizon and Locality. 

 Upper Eocene. — Barton Beds. Barton. 



Pleurotoma pupoides, Edwards, 1860. 



Pleurotoma pupoides. 



-Mon. Pal. Soc. 1860, pi. x.xxii. figs. 11', 11", p. 303. (F. E . Edwards Coll.) 



Horizon and Localities. 



Lower Eocene. — London Clay. Clarendon ; Potter's Bar ; Alum Bay (no. 4 

 Bed). 



