SPECIMENS OP POSSIL CEPHALOPODA. 
35 
Arietites raricostatus (C. H. de Zieten) : T. Wright, Lias Amm. (Mon. 
Pal. Soc.), pt. i, 1878, pi. vii, f. 6; pt. iv, 1881, p. 299. Lower 
Lias (raricostatus-zonQ) : Lyme Eegis, Dorset. [67956.] 
Arietites raricostatus (C. H. de Zieten): T. Wright, Lias Amm. 
(Mon. Pal. Soc.), pt. iii, 1880, pi. xxvi, ff. 8, 9, 10; pt. iv, 1881, 
p. 298. Lower Lias (raricostatus-zoiiQ) : Loc. (?). [C. 1921.] 
Arietites raricostatus (C. H. de Zieten) : T. Wright, Lias Amm. 
(Mon. Pal. Soc.), pt. iii, 1880, pi. xxvi, ff. 12, 13, 14; pt. iv, 1881, 
p. 298. Lower Lias {raricostatus-zouQ) \ Loc. (?) [C. 1925.] 
Arietites rotiformis (J. Sowerhy) : T. Wright, Lias Amm. (Mon. Pal. 
Soc.), pt. i, 1878, pi. V, f. 4 ; pt. iv, 1881, p. 278. Lower Lias 
(bucUandi-zono): Lyme Eegis, Dorset. [C. 1927.] 
Arietites rotiformis (J. Sowerhy) : T. Wright, Lias Amm. (Mon. Pal. 
Soc.), pt. ii, 1879, pi. ix, fF. 1, 2 ; pt. iv, 1881, p. 278. Lower Lias 
{hucklandi-zonQ) : L’Auxois, Semur (Cote-d’Or), Prance. [C. 1892.] 
Arietites sauzeanus (A. d’Orhigny) : T. Wright, Lias Amm. (Mon. 
Pal. Soc.), pt. i, 1878, pi. viii, f. 4 ; pt. iv, 1881, p. 281. Lower 
Lias (hucldandi-zond) X Darlingscott, near Shipston-on-Stour, Wor- 
cestershire. [C. 2219.] 
Arietites sauzeanns (A. d’Orbigny); T. Wright Kas Amm (Mon. 
Pal. Soc.), pt. i, 1878, pi. viii, ff. 5, 6 ; pt. iv, 1881, p. 281. Lower 
Lias (hucUandi-zone ) : Darlingscott, near Shipston-on-Stour, W or- 
cestershire. [C. 1890.] 
Arietites scipionianus (A. d’Orbigny) : T- Wright, Lias Amm (Mon. 
Pal. Soc.), pt. iii, 1880, pi. xix, ff. 8, 9, 10; pt. iv, 1881, P- f^O. 
Lower Lias (planorhis-zone) : Cheltenham. [C. 1893.] A little 
doubtful if this is the figured specimen. 
Arietites semicostatus (G. Young &J. Bird): T. Wright, Lias Amm. 
(Mon. Pal. Soc.), pt. i, 1878, pi. i, ff. 4, 5 ; pt. iv, 1881, p. 284. 
' Lower Lias (bwcMandi-zone ) : Tale of Gloucester. [C. 2220.J 
Arietites semicostatus (G. Young & J. Bird) : T. Wright Lias Amm. 
(Mon. Pal. Soc.), pt. i, 1878, pi. i, f. 7; pt iv, 1881, P- 285. Lower 
Lias (hucMandi-zone ) : Lyme Regis, Dorset. [C. 2221 a.J 
Arietites semicostatus (G. Young &J. Bird): T. ^ight, Mas Amm. 
^"®(Mfn PaLSoc.),pt.i,1878,pl.i,.f.8; pt iv, 1881, p. 2^ 
Lias (bucldandi-zone) : Lyme Regis, Dorset. [C. —1 
