SEPIA 



4. View of the excretory and vascular systems, obtained by cutting through the posterior body 

 wall, removing the ink-sac, and opening the two renal sacs. Renal papilla; coelomic opening of kidney; 

 the large vena cava bringing back blood from the head, and bifurcating on arriving at the kidneys ; 

 paired veins from posterior part of body, dilating into large sacs just before they reach the branchial 

 hearts ; genital vein entering the right branch of the anterior cava ; branchial hearts each with its 

 appendage ; afferent branchial veins ; efferent branchial veins, passing into the auricles ; ventricle ; the 

 anterior and posterior aortse. 



79 



