ARCIDJS. 19 



Mineral Conchology, 1818, pi. 206. figs. 3, 4. (Sowerby Coll.) 



Mon. Pal. Soc. 1864, pi. xvii. figs. 8>, 8^ p. 03. (F. E. Edwards Coll.) 



Horizons and Localities. 



Lower Eocene. — London Clay. Elmstead. — Woolwich Beds. Near Faver- 

 sharn. — Thanet Sands. Heme Bay. 



Genus AXIN^A, Poli, 1795, 



Testacea Sicilise, 1795, toI. ii. pis. xxv., xxvi. p. 144 



Pectuncuhis, Lamarck, 1799. 

 M«m. Soc. Hist. Nat. Paris, 1799, p. 87, no. 103. 



Axinsea brevirostris, J. de C. Sowerby, 1824. 



Pectunculus brevirostris. 



Mineral Conchologv, 1824, pi. 472. fig. 1. (Sowerby Coll.) 



Dixon's ' Sussex,' 1850, pi. xiv. fig. 32, p. 225. (Dixon Coll.) 



Mon. Pal. Soc. 1864, pi. xvi. figs. 8, 10, p. 95. (F. E. Edwards CoU.) 



Horizon and Localities. 



Lower Eocene. — London Clay. Bognor ; Ilford ; Portsmouth ; Alum 

 Bay (no. 4 Bed). 



Axinsea decussata, J. Sowerby, 1813. 



Pectunculus decussatm. 



Mineral Conchology, 1813, pi. 27. fig. 1. (Sowerby Coll.) 

 Strata Identif. 1816, pi. 2. fig. 10. (W. Smith Coll.) 

 Dixon's ' Sussex,' 1850, pi. xiv. fig. 7, p. 116. 



Mon. Pal. Soc. 1864, pi. xvi. figs. 7''-7''; pi. xix. figs. 14" -14", p. 96. (F. 

 E. Edwai-ds Coll. and Wetherell Coll.) 



Horizon and Localities. 



Lower Eocene.— Zorarfora Clay. Highgate ; Clarendon ; Finchley ; Haver- 

 stock HiU; Ba.sing8toke ; Alum Bay (no. 4 Bed) ; Bognor; Southampton j 

 Portsmouth ; Fareham. 



Axinaea deleta, Solander, 1766. 



Area deleta. 



Brander's 'Foss. Hant.' 1766, pi. vii. fig. 97, p. 39. 



Pectunculus costafus, J. Sowerby, 1813. 



Mineral Conchology, 1813, pi. 27. %. 2. (Sowerby Coll.) 



Mon. Pal. Soc. 1864, pi. xvi. figs. >, S^ p. 97. (F. E. Edwards Coll.) 



Horizons and Localities. 



Upper Eocene. — Barton Beds. Barton. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay ; Iluntingbridge ; 

 Brook; Bramshaw. 



Axinsea globosa, J. de C. Sowerby, 1850. 



Pectunculus ghhosus. 



Dixon's ' Sussex,' 1850, pi. iii. fig. 20, p. 170. (Dixon Coll.) 

 Mon. Pal. Soc. 1664, pi. xvi. fig. 9, p. 98. (Dixon CoU.) 



Horizon and Localities. 



Middle Eocene. — Bracklesham Beds, Bracklesham Bay ; Whitecliff Bav. 



c2 



