SPECIMEN'S OE FOSSIL CEPHALOPODA. 
33 
Aptychus portlocki, D. Sharpe, Eoss. Moll. Chalk (Mon. Pal. Soc.), 
pt. iii, 1856, p. 56, pi. xxiv, f. 4 (reversed). Upper Chalk : Nor'wich. 
[35490.] 
Aptychus rugosTis, D. Sharpe, Poss. Moll. Chalk (Mon. Pal. Soc.), 
pt. iii, 1856, p. 57, pi. xxiv, if. 8 a (left-hand figure), 8 h (right-hand 
figure) [reversed]. Upper Chalk; Norwich. [C. 3079.] Upper 
part of specimen broken since figured. 
Aptychus mgosus, D. Sharpe, Poss. Moll. Chalk (Mon. Pal. Soc.), 
pt. iii, 1856, p. 57, pi. xxiv, fif. 8 a (right-hand figure), 8 b (left-hand 
figure) [reversed]. Upper Chalk : Norwich. [C. 3078.] 
Aptychus probably belonging to Cosmoceras parTcinsoni, T. Wright, 
Lias Amm. (Mon. Pal. Soc.), pt. viii, 1885, pi. Ixxxviii, f. 1. In- 
ferior Oolite ; Leckhampton Hill, Gloucestershire. [C. 1935.] 
Aptychus, H. Damon, Geol. Weymouth, Suppl. 1880, pi. xiv, f. 4, one 
side of lower figure. Kimeridge Clay : Weymouth. [C. 3318.] 
Aptychus, H. Damon, Geol. Weymouth, Suppl. 1880, pi. xiv, f. 4, one side 
of upper figure. Kimeridge Clay ; Weymouth. [C. 3319.] 
Aptychus, H. Woodward, Geol. Mag. [3], vol. ii, 1885, p. 352, pi. ix, 
f. 3. /cZ., A. H. Poord & G. C. Crick, Cat, Poss. Ceph., British 
Museum, pt. iii, 1897, p. 278, f. 138. Upper Devonian ; Bicken, near 
Herborn, Nassau. [C. 1717.] 
Aptychus, H. Woodward, Geol. Mag. [3], vol. ii, 1885, p. 352, pi. ix, 
f. 4. /c?., A. H. Poord & G. C. Crick, Cat. Poss. Ceph., British 
Museum, pt. iii, 1897, p. 278, f. 137. Upper Devonian : Bicken, near 
Herborn, Nassau. [C. 650 c.] 
Aptychus, H. Woodward, Geol. Mag. [3], vol. ii, 1885, p. 352, pi. ix, 
f. 5. Id.^ A. H. Poord & G. C. Crick, Cat. Poss. Ceph., British 
Museum, pt. iii, 1897, p. 277, f. 135. Upper Devonian : Bicken, near 
Herborn, Nassau. [C. 650 «.] 
Aptychus, H. Woodward, Geol. Mag. [3], vol. ii, 1885, p. 352, pi. ix, 
f. 6. Id., A. H. Poord & G. C. Crick, Cat. Poss. Ceph., British 
Museum, pt. iii, 1897, p. 277, f. 136. Upper Devonian : Bicken, near 
Herborn, Nassau. [C. 650 6.] 
D 
