304 



MANUAL OF ZOOLOGY 



SECT. 



FIG. 178. Sepia CUltrata, female seen from the posterior aspect, the wall of the 

 mantle-cavity divided along the middle line and the two flaps thus formed spread 

 out so as to expose the contents, ac. nid. accessory nidamental glands ; an. 

 anal aperture with its lateral appendages \f. membranous fold attaching the cteni- 

 dium to the wall of the mantle-cavity ; inf. external opening of funnel ; inf. cart. 

 infundibular cartilage ; ink s. ink-sac ; ink d. ink-duct ; lig. ligamentous band 

 which extends from the anterior wall of the mantle cavity to the ovary, cut 

 across ; liv. liver ; /. cfen. left ctenidium ; /. neph. left nephridal aperture ; /. nid. 

 left nidamental gland ; /. st.g. left stellate ganglion ; want. cart, mantle cartilage ; 

 mo. mouth ; mus. neck muscles ; ov. ovary ; ovid. oviduct ; rec. rectum. 



