xr 



PHYLUM MOLLUSCA 



297 



body (Figs. 182, 183, 185, 187) is bilaterally symmetrical. 

 The foot, instead of extending along the ventral surface 



FIG. 182. Sepia cultrata. 



Entire animal viewed from the dorsal aspect. New 

 Zealand. 



of the body in the region behind the mouth, as it does in 

 Pelecypoda and Gastropoda, occupies a more anterior posi- 



