446 



THE ANATOMY OF IXVERTEBRATED ANIMALS. 



Within the cavity of the mouth is an odontophore, with 

 its radula (Fig. 126, II.) ; and the long gullet passes back on 

 the miadlo line to open into the stomach, which is situated 



Fig. 125.— Diagrammatic Section of a Female Sepia.— a. Buccal mass snrroundPfl by 

 tlie lips?, and showing tlie homy jaws and tongue; b, oesophatrus ; c. salivary 

 gland; d. stomach; e, pyloric csecnm ; (7, the intestine ; h, the anus; /, the ink- 

 bag;^, the place of the syt^temic heart; 1. the liver; n, the hepatic duct of the 

 left side; 0, the ovary; p. the oviduct; q. one of the apertures by which the water- 

 chamhers are j)]aced in communication with the exterior ; r, one of the branchiae; 

 5, the principal ganglia agirregatod round the oesophagus; /, the funnel; m. the 

 mantle; /?/;, the ititernal shell, or cuttle-hone ; 1, 2, 8, 4, 5, the produced and modi- 

 fied margins of tlie foot, constituting the so-called anus of the Sepia. 



toward the middle, or the end, of the mantle-sac. From the 

 stomach, the intestine, more or less bent upon itself, passes 

 toward the neural aspect of the body, and ends in the median 



