THE PHYLUM MOLLUSCA 



261 



Cuticular rim 



Flexible bottom 



Cranial 

 cartilage 



Neck 



cartilage- 

 Esophagus - 



Digestive 

 gland.— 



Stomach- 



-Ante.rior artery 

 "Anterior ve-in 



'znis 



infi^omgill 



in to gill 



11 heart 



rmatophoric 

 an 



SpermatophoriC 

 sac 



lerm 



duct 



Upper 



surface 



Funnel 



"Testis (behind 

 othar viscera) 



Figure 14 15 Anatomy of Loligo. A, Lateral view with body wall removed, 

 digesthe and nervous systems. B, Section through a sucker. C, Ventral view of part of t 

 circulatory system and of the male reproductive system (drawn to the same scale as A, 

 so that it can be turned on edge and fitted into A). (After Williams.) 



