i6 



THE INVERTEBRATA 



Fig. 378. Ventral view of male of Sepia officinalis with mantle cavity opened 

 to expose its contents, an. anus; dep.m. depressor muscle of the funnel; 

 e. eye ; ^i. fin ; g.pap. genital papilla ; k.pap. papilla bearing external aperture of 

 kidney; kn. cartilaginous knob on mantle which fits into the socket, soc; 

 vis.m. visceral mass. Other letters as in Fig. 377. From Shipley and MacBride. 



