TAB. I 



Fig. 



] . Belosepia Sepioidea, p. 29. 



\a — c. Var. B. longirostris. 



a. Dorsal aspect. 



b. Side view. 



c. Ventral aspect. 

 \d—f. Var. B. longispina. 



d. Dorsal aspect. 

 e, e. Side views. 



/. Ventral aspect. 

 \g — i. Var. B. Blainvillii. 

 g. Side view. 



h. Do. of a cast of the Belosepion (B. Sepioidea). 

 i. Ventral aspect. 



2. Belosepia brevispina, p. 32. 



a. Dorsal aspect. 



b. Side view. 



c. Ventral aspect. 



3. Belosepia Cuvieri, p. 31. 



«, d. Ventral aspect. 



b. Dorsal aspect. 



c. Side view. 



4. Dorsal aspect of the Belosepion (B. Sepioidea). 



5. Longitudinal section of ditto. 



6. Enlarged view of the terminal cavity and rostrum in the same section. 



7. Enlarged view of an obliquely transverse section of the terminal cavity 



8. Dorsal aspect of the sepion (Sepia officinalis). 



9. Longitudinal section of ditto. 



10. Enlarged view of section of the rostrum of ditto. 



