NAunLiD^:. 
A very large S 2 )ecimeii (Xo. C. 2049), having a maximum diameter 
of about 1 foot, may perhaps belong io this species ; but it is too 
imperfect to be conclusively identified therewith. It is from the 
Gault of Otford, near Sevenoaks, Kent, and was presented to the 
British Museum by Charles Taylor, Esq. 
Horizon, Gault. Cambridge Greensand. Bed Chalk. 
Localities. British. Kear Eolkstone, Kent (Gault); Hunstanton, 
Norfolk (Bed Chalk) ; Cambridge (Cambridge Greensand). — 
Foreign. Escragnolles (Var), Erance. 
Bepresented in the Collection by numerous specimens. 
Nautilus Bouchardianus, d’Orbigny. 
? 1822, Nautilus inequalis, Mantell, The Fossils of the South Downs; 
or Illustrations of the Geology of Sussex, p. 88, pi. xxi. ff. 14, 15. 
(^Not of J. Sowerby.) 
1840. Nautilus Bouchar dianus, d’Orbigny, Paleontologie Fran 9 aise 
(Terrains Cretaces), vol. i. p. 75, pi. xiii. 
1840. Nautilus Icemgatus, Forbes, Trans. Geol. Soc. ser, ii. vol. vii. 
p. 97. 
1847. Nautilus Icevigatus, d’Orbigny, Geologic du Voyage de 1’ Astrolabe, 
pi. vi. ffi 1, 2. 
1850. Nautilus Bouchardianus, d’Orbigny, Prodrome de Paleontologie 
Stratigraphique, vol. ii. p. 122. 
1850. Nautilus Dekayi (pars), d’Orbigny, Prodrome de Paleontologie 
Stratigraphique, vol. ii. p. 211. 
1852. Nautilus Bouehar dianus, Giebel, Fauna der Vorwelt, Band iii. 
Abth. i. p. 148. 
1853. Nautilus Bouchar dianus, Studer, Geologie der Schweiz, vol. ii. 
p. 83. 
1854. Nautilus Bouchardianus, Benevier, Perte-du-Blibue, p. 36. 
1858. Nautilus Bouchardianus, Ooster, Catalogue des Cephalopodes 
Fossiles des Alpes Suisses, pt. iii, p. 12, 
1859. Nautilus Bouchardianus, Pictet et Campiche, Description des 
Fossiles du Terrain Cretace des Environs de Sainte-Croix (Pale- 
ontologie Suisse), ser. ii. pt. i. livr, vii. p. 142, pi. xviii. ff. 1-3. 
(? Not of d’Orbigny,) 
? 1861. Nautilus Bouchardianus, Blanford, Mem. Geol. Surv. of India — ■ 
Palaeont. Indica — i. Cretaceous Cephalopoda of Southern India, 
p. 13, pis. iii., iv., v. 
? 1866. Nautilus Bouchardianus (var.), Stoliezka, ibid. p. 203, pi. xcii. 
tf. 4, 4 a. 
1874. Nautilus Bouchardianus, Price, Quart. Journ. Geol. Soc. vol. 
XXX. p, 363. 
1878. Nautilus Bouchardianus, Barrois, Mem. sur le Terr. Cret. des 
Ardennes, Ann. de la Soc. Geol. du Nord, vol. v. p. 270, 
