346 



HANDBOOK OF INVERTEBRATE ZOOLOGY. 



?>. At its anterior end this opens into the much smaller, 

 muscular, thick-walled stomach (Fi<rs. 17s, *, 180 and 

 181, /*, i). 



c. At the anterior left corner of the stomach are the 



as8ophagus (l-'i^s. 1. so and 

 181, c), and intestine 

 (Figs. 180 and 181, n), 

 side by side. 



d. The intestine bends 

 upwards between the two 

 p halves of the spleen (Figs. 

 180 and l.si, </), and soon 

 becomes constricted to 

 form the rectum (Fig. 

 181, o). 



FIG. 180. Ventral view of 

 the digestive organs of Loligo 

 Pealii. (Drawn from nature by 

 W. K. Brooks.) 



Reference letters for Figs. 

 ISO ami 181: 



a. Nerves miming to ganglia 

 stellata. b. Liver, c. (Esopha- 

 gus, d. Anterior aorta, e. Point 

 where (esophagus and aorta pass 

 out of liver on dorsal surface. 

 /. Hepatic ducts. .'/. Spleen. 

 A. CEsophageal chamber of stom- 

 ach, i. Left side of stomach. 

 k. Blind sac of stomach. I. Ar- 

 tery to testis. m. Testis. n. In- 

 testine, o. Rectum, p. Anus. 

 q. Ink bag. r. Ink duct. s. An- 

 terior aorta, t. .Systemic lu-art. 

 . Branchial veins. r. Poste- 

 rior aorta. 



PIG. 180. 



