162 &A8TBE0P0DA. 



Pisania nematiphora, Edwards (MS.). 



Horizon and Localities. 

 Lower Eocene. — London Clay. Ilampstead ; Higligate Wood, Finchley. 



Pisania nodicosta, Edwards (MS.). 



Horizons and Localities. 

 Oligocene. — Headon Beds. Roydon. 

 Middle Eocene. — Brackksham Beds. Bramshaw; Huntingbridge; Brook. 



Pisania nodigera, Edwards (MS.). 



Horizon and Localities. 



Middle Eocene. — Bracklesham Beds. Bracklesliam Bay ; Brook. 



Pisania nodosa, Edwards (MS.). 



Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



Pisania obliquicostata, Edwards (MS.). 



Horizon and Locality. 



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



Pisania obsoleta, Edwards (MS.). 



Horizon and Locality. 



Lower Eocene. — London Clay. Haverstock Hill. 



Pisania obtusiusctila, Edwai-ds (MS.). 



Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



Pisania parviuscula, Edwards (MS.). 



Horizon and Locality. 

 Oligocene. — Hempstead Beds. Hempstead. 



Pisania quadricincta, Edwards (MS.). 



Horizon and Locality. 



Lower Eocene. — London Clay. Highgate Wood, Finchley. 



Pisania rudis, Edwards (MS.). 



Horizon and Locality. 

 Upper Eocene. — Barton Beds. Barton. 



Pisania scalaroides, Lamarck, 1803. 



Fusus scalaroides. 



Ann. Mus. 1803, vol. 2. p. 320. 



Coq. Foss. Paris, 1835, vol. ii. pi. Ixxiv. figs. 1-8; pi. Ixxv. figs. 1-3, p. 544. 



Horizon and Locality. 



Oligocene. — Headon Beds. Ilordwell. 



