446 



THE ANATOMY OF INVERTEBRATED ANIMALS. 



Within the cavity of the mouth is an odontophore, with 

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

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



Fig. 125.— Diagrammatic Section of a female Sepia.— a, Buccal mass surrounded by 

 tlie lips, and showing the horny jaws and tongue; 6, oesophagus ; c, salivary 

 gland: d. stomach : e. pyloric caecum: g, the intestine; h, the anus; i, the ink- 

 bag; I: the place of the systemic heart; h the liver; », the hepatic duct of the 

 left side: o. the ovary: p, the oviduct; q. one of the apertures by whirh the water- 

 chambers are placed in communication with the exterior : r. one of the branchiae; 

 8, the principal ganglia aggregated round the oesophagus; /. the funnel; m. the 

 mantle; sh, the internal shell, or cuttle-hone ; 1. 2. 3. 4. 5. the produced and modi- 

 fied margins of the foot, constituting the so-called arms 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 



