Fig. 681. — Nautilus pompilius, dissection of the Internal organs of a male, from the left side. The 

 funnel and the hood have been divided by a longitudinal median section. A portion of the wall of the 

 buccal cavity has been removed to show the odontophore and the tongue, (tec. yl. vesicula seminalis ; 

 an. anus ; aort. oral aorta ; aort'. posterior pallia] artery ; (>. du. bile-ducts ; hue. n. buccal nerves ; hur. 

 pap. papillae of peristomial membrane ; cer. g. cerebral ganglion ; exec, cascum ; er. crop ; hd. hood ; i,tf. 

 funnel ; inf. n. infundibular nerve ; int.* part of intestine between stomach and c.ecum ; int.'* part of 

 intestine following caecum ; jaw, larger (posterior) jaw ; /. eff. !»: c. left efferent branchial vessels ; I. tent, 

 int. left internal tentacular lobe ; need. s. Needham's sac ; odont. odontophore ; ie'. style passed from buccal 

 cavity into the opening of the oesophagus ; at. oesophagus ; olf. n. olfactory nerve ; opt. n. optic nerve ; 

 oto. statocyst ; pall. n. pallial nerves ; ped. g, pedal ganglion ; pi. <j. pleural ganglion ; r. eff. br. v. right 

 efferent branchial vessel ; retr. retractor muscle of the buccal mass ; /'. liv. right lobe of " liver" ; stoui. 

 stomach ; test, testis ; tony, tongue-shaped elevation of the floor of the mouth ; *a. valve of funnel ; 

 ven, c. vena cava ; vent, ventricle. 



