318 



MOLLUSCA 



[CH. 



6.... 



Fro. 146. Left half of a Sepia, showing the relation to one another of some 

 of the principal viscera, x about 1. Diagrammatic. 



1. Ovary. 2. Genital part of the coelom. 3. Pericardial part of the 



coelom ; the reference line touches the heart. 4. Mantle-cavity. 5. Sec- 

 tion of intestine. 6. Incomplete septum between genital and pericardia! 

 coelom. 7. Ventral limb of kidney. 8. Glandular tissue of kidney. 



9. Dorsal limb of kidney. 10. Stomach. 11. Liver duct. 



12. "Pancreatic "caeca. 13. Liver. 14. Shell. 15. Shell sac'. 



16. Dorsal horny jaw. 17. Anterior opening of funnel. 18. Valve 



in funnel. 19. Radula. 20. Lips. 21. Ventral horny jaw. 



