I'EI'KAJJKANCHIATA. — NAUTILID^. 291 



Nautilus Sowerbyi (Wctherell MS.), J. de C. Sowerby, 1843. 



Nautilus, n. sp. 



Lond. Edinburgh Phil. Mag. 1836, vol. i.\. p. 466. 



Nautilus Sowerbyi. 

 Mineral Couchology, 1843, pi. 627. figs. 1-3. 



Mon. Pal. Soc. 1849, pi. vi., pi. viii. fi?. 3, p. 48 (fig. 3, F. E. Edwards Coll.). 

 Dixon's ' Sussex,' 1850, pi. xiv. fig. 15, pp. 121, 328. (Dixon Coll.) 

 Cat. Foss. C'eph. British Museum, 1891, part 2, p. 323. 



Horizon and Localities. 

 Lower Eocene. — London Clay. Chalk Farm ; Potter's Bar ; Bognor ; 



Portsmouth. 



Nautilus urbanus, J. de C, Sowerby, 1843. 



Nautilus urbanus. 

 Mineral Couchology, 1843, pi. 628. (Sowerby and Bowerbank Colls.) 

 Mon, Pal. Soc. 1849, pi. iii. figs. 2», 2'', pi. viii. fig. 4, p. 46. (Sowerby and 



Bowerbank Colls.) 

 Dixon's ' Sussex,' 1850, p. 228. 

 Cat. Foss. Ceph. British Museum, 1891, part 2, p. 320. 



Horizon and Localities. 

 Lower Eocene. — London Clay. St. Katharine's Docks ; Sheppey. 



Genus HERCOGLOSSA, Conrad, 1866, em. Meek, 1876, 



American .lourn. Conch. 1866, vol. 2, p. 101. 

 Kept. United States Geol. Surv. Terr. 1876, vol. ix. p. 491. 



Hercoglossa Cassiniana, Edwards (MS.). A. H. Foord aud G. C. 

 Crick, 1890. 



Aturia Casainiana. 

 Edwards (MS.). 



Hercoglossa Cassiniana. 

 Annals, 1890, ser. 6, vol. v. woodcut fig. 9, p. 409. (F. E. Edwards Coll.) 

 Cat. Foss. Ceph. British Museum, 1891, part 2, pp. 333, 334, woodcut 

 fig. 70. (F. E. Edwards Coll.) 



Horizon and Localities. 

 Lower Eocene. — London Clay. Finchley ; Sheppey. 



Genus ATURIA, H. G. Bronn, 1838. 

 Lethaea Geoguostica, 1838, vol. 2, pi. xlii. fig. 17, pp. 1122, 1123. 



Aturia Charlesworthi, A. H. Foord, 1891. 



Nautilus ziczac. 



Mag. Nat. Hist. 1837, n. s. vol. i. fig. 66 (woodcut), p. 533, non J. Sowerby, 

 1812. (Wetherell Coll.) 

 Aturia ziczac, var. B. 



Mon. Pal. Soc. 1849, pi. Lx. figs. Is, l^ p. 53. (WethereU Coll.) 

 Aturia Charlesworthi. 



Cat. Foss. Ceph. British Museum, 1891, part 2, p. 346. 

 Horizon and Locality. 



Lower Eocene. — London Clay. Primrose Hill. 



u2 



