l.tsnl.irit 



--^ 



\ buc.pap 



LefS.br: 



FIG. 690. 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, ace. gl. vesicula seminalis ; an. anus ; aort. oral aorta ; aort', posterior pallial 

 artery ; b. du. bile-ducts ; buc. n buccal nerves ; buc. pap. papillae of peristomial membrane ; 

 cer. g. cerebral ganglion ; cose, caecum ; cr. crop ; hd. good ; inf. funnel ; inf. n. infundibular 

 nerve ; int. 1, partof intestine between stomach and caecum ; int. 2, partof intestine following 

 caecum ; jaw, larger (posterior) jaw ; I. eff. br. v. left efferent branchial vessels ; /. tent. 

 int. left internal tentacular lobe ; need. s. JSTeedham's sac : odont. odontophore ; ce'. style 

 passed from buccal cavity into the opening of the oesophagus ; ces. oesophagus ; olf. n. 

 olfactory nerve ; opt. n. optic nerve ; oto. statocyst ; pott. n. pallial nerves ; ped. g. pedal 

 ganglion ; pi. g. pleural ganglion ; r. eff. t. right efferent branchial vessel ; retr. retractor 

 muscle of the buccal mass ; r. liv. right lobe of " liver " ; stom. stomach; test, testis ; tong. 

 tongue-shaped elevation of the floor of the mouth ; va, valve of funnel ; ven. c. vena cava ; 

 vent, ventricle. 



