78 LIST OF TYPES AXD FIGURED 
Nautilus tetragonus, J. Phillips, Geol. Yorks, pt. ii, 1836, p. 233, 
pi. xvii, f. 24. Carboniferous Limestone : Northumberland ? [C. 222.] 
Nautilus tetragonus ?, J. Phillips, Geol. Yorks, pt. ii, 1836, p. 233, 
pi. xvii. If. 26, 27. Carboniferous Limestone : Bolland, Yorkshire. 
[C. 237 c.] Probably the figured specimen, but if so, Phillips’s 
figure is not quite accurate. 
Nautilus truncatus, J. Sowerby, Min. Conch, vol. ii, p. 49, 1816, 
pi. cxxiii (reversed). Lias : Keynsbam, S.E. of Bristol. [44117 a.] 
Only part of specimen figured. 
Nautilus tuberculatus, J. Sowerby, Min. Couch, vol. iii, p. 90, 1819, 
pi. ccxlix, f. 4 (reversed). Carboniferous (Calciferous Sandstone) : 
Closeburn, Dumfriesshire. [43864.] 
Nautilus tuberculatus, J. Sowerby, v. also ? Genus, J. Sowerby 
{infra, p. 96). 
Nautilus urbanus, J. de C. Sowerby, Min. Conch, vol. vii, p. 36, 
1843, pi. dcxxviii, lower central and left-hand figures. Id . : F. E. 
Edwards, Eocene MoUusca (Mon. Pal. Soc.), pt. i, 1849, p. 47, pi. iii, 
f. 2 a. Lower Eocene (London Clay) : Sbeppey. [71001.] 
Nautilus urbanus, J. de C. Sowerby, Min. Conch, vol. vii, p. 36, 1843, 
pi. dcxxviii, upper and lower right-hand figures. Id. : F. E. Edwards, 
Eocene MoUusca (Mon. Pal. Soc.), pt. i, 1849, p. 46, pi. iii, f. 2h. 
Lower Eocene (London Clay) : St. Catherine’s Docks, London. 
[44061.] 
Nautilus ziczac, J. Sowerby, Mill. Conch, vol. i, p. 12, 1812, pi. i, 
lowest figure. Aturia ziczac (J, Sowerby) : F. E. Edwards, Eocene 
MoUusca (Mon. Pal. Soc.), pt. i, 1849, pi. ix, ff. 1 a, h. Lower 
Eocene (London Clay) : Higbgate, Middlesex. [43869.] 
Nautilus ziczac, J. Sowerby: E. Cbarleswortb, Mag. Nat. Hist, new 
series, vol. i, 1837, p. 533, f. 66. Id.: G. A. Mantell, Wonders of 
Geology, 6tb ed., vol. i, 1848, p. 247, lign. 40, ff. 1, 2. Aturia 
zic-zac (J. Sowerby) : var. /3, F. E. Edwards, Eocene MoUusca (Mon. 
Pal. Soc.), pt. i, 1849, p. 56, pi. ix, ff. 1 g, h. Aturia cJiarlesivorthi, 
A. H. Foord, Cat. Foss. Cepb., British Museum, pt. ii, 1891, p. 346. 
Lower Eocene (London Clay) : Primrose Hill, London. [68918.] 
