RHTCINIB.E.  41 



Erycina habilis, S. V. Wood (MS.). 



Horizons and Localities. 



Upper Eocene. — Barton Beds. High ClifT. 

 Middle Eocene. — Bracklesliam Beds. Bramshaw. 



Erycina tenuicula, Deshaj-es, 1860. 



Erycina tenuictda. 



Desc. Anim. sans Vert. 1800, vol. i. pi. 1. figs, 28-30, 42, p. 724. 

 Horizon and Locality. 



Upper Eocene. — Barton Beds. High Cliff. 



Genus LEPTON, Turton, 1822. 

 Conch. Insul. Brit. 1822, p. 61. 



Lepton biplicatum, Edwards (MS.). 



Horizon and Locality. 

 Upper Eocene. — Barton Beds. Barton. 



Lepton sequale, Edwards (MS.). 



Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



Lepton nitidulnm, S. V. Wood (MS.). 



Horizon and Locality. 

 Oligocene. — Headon Beds. Ilordwell. 



Lepton subsymmetricum, Edwards (MS.). 



Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



Lepton tumidum, Edwards (MS.). 



Horizon and Locality. 

 Oligocene. — Headon Beds. Col well Bay. 



Genus KELLIA, Turton, 1822. 

 Conch. Insul. Brit. 1822, p. 50. 



Kellia delicatula, S. V. Wood (MS.). 



Horizon and Locality. 

 Upper Eocene. — Barton Beds. Barton. 



Kellia subtriangularis, Edwards (MS.). 



Horizon and Locality. 

 Oligocene. — Headon Beds. HordwelL 



