"64 



ZOOLOGY 



SECT. 



the buccal cavity. The name of " liver " (Fig. 660, II. ; Fig. 662, liv.) 

 or digestive gland is given to a large brown glandular mass which 

 extends from the neighbourhood of the salivary glands nearly to 

 the aboral end of the body. It consists of two partly united right 



rncLTit-.ca.rt 



ac.Ti.id- 



l-'i.. r>.>. Sepia CUltrata, female seen from the posterio-venr-ral aspect, the wall of the mantle 

 cavity divided along 1 the middle line and the two flaps Ihus formed spread out so as to expose 

 the contents. <u\ i</</. accessory nida mental glands ; *///. anal aperture with its lateral append- 

 ages; ./'. membranous fold attaching the cteuidium to the wall of the mantle-cavity; inf. 

 external o|iening of funnel ; /'/(/. rurf. infundibular cartilage ; iiik. </. ink-duet ; ink. '. ink-sac ; 

 /'//. ligamcntoiis liand which extends from the anterior wall of the mantle-cavity to the ovary, 

 cut acniss ; /;,-. "liver" ; /. clr'n. left ctenidium ; /. nej>h. left nephridial aperture ; /. ni<l. left 

 nidameutal gland; /. sf. </. left stellate ganglion ; ,n<tni. t-i-i. mantle-cartilage; mo. mouth; 

 inn*, neck-muscles; r><'. ovary ; or'ul. oviduct; reft, rectum. 



and left portions, each of which has a duct opening into the 

 cavity of the alimentary canal opposite the point where stomach, 

 C.TCUIII, and intestine meet. Surrounding the ducts and opening 

 into them an- masses of minute vesicles (Fig. 661, I, d.); the 

 secretion of these has the property of converting starchy matters 



