32 
LIST OF TYPES AND FIGUKED 
Ancyloceras sartousii, J. E. Astier, Cat. descrip. Ancyloceras, 1851, 
p. 24, pi. iii, no. 15. Neocomian : Angles (Basses- Alpes ), France. 
[46985.] 
Ancyloceras seringei, J. E. Astier, Cat. descrip. Ancyloceras, 1851, 
p. 25, pi. viii, no. 16. Neocomian : Cheiron (Basses-Alpes), France. 
[46978.] 
Ancyloceras simplex, A. d’Orbigny : C. Darwin, Geol. Obs. S. America 
(Voyage of the Beagle), 1846, pi. v, f. 2. Cretaceous : Chili, S. America. 
[2612.] 
Ancyloceras tabarelli, J. E. Astier, Cat. descrip. Ancyloceras, 1851, 
p. 19, pi. vii, no. 9. Neocomian: Angles (Basses-Alpes), France. 
[46972.] 
Ancyloceras terveri, J. E. Astier, Cat. descrip. Ancyloceras, 1851, 
p. 23, pi. vii, no. 14. Neocomian : Angles (Basses-Alpes), France. 
[46984.] 
Ancyloceras thiollierei9 J. E. Astier, Cat. descrip. Ancyloceras, 1851, 
p. 18, pi. V, no. 7. Neocomian : Barreme (Basses-Alpes), France. 
[46970.] 
Ancyloceras vanden-heckii, J. E. Astier, Cat. descrip. Ancyloceras, 
1851, p. 21, pi. ii, no. 11. Neocomian: Angles (Basses-Alpes), 
France. [46881.] 
Aptychus icenicus^ D. Sharpe, Foss. Moll. Chalk (Mon. Pal. Soc.), 
pt. iii, 1856, p. 57, pi. xxiv, i. 7 a (reversed). Upper Chalk : 
Norwich. [C. 3082.] 
Aptychus peramplus, D. Sharpe, Foss. MoU. Chalk (Mon. Pal. Soc.), 
pt. iii, 1856, p. 58, pi. xxiv, f. 10 a (reversed). Upper Chalk : 
Norwich. [C. 3081.] Since the figure was drawn the fragment 
indicated on the left-hand side of the figure (right-hand side of the 
specimen) has been removed. 
Aptychus portlocki) D. Sharpe, Foss. MoU. Chalk (Mon. Pal. Soc.), 
pt. iii, 1856, p. 56, pi. xxiv, f. 2 (reversed). Upper Chalk : Norwich. 
[C. 3083.] 
Aptychus portlocki, D. Sharpe, Foss. Moll. Chalk (Mon. Pal. Soc.), 
pt. iii, 1856, p. 56, pi. xxiv, f. 3 (reversed). Upper Chalk ; Norwich. 
[C. 3084.] 
