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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 ; bite. n. buccal nerves ; buc. pap. papillae of peristomial membrane ; 

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

 nerve ; int. 1, partof intestine between stomach and csecum ; int. 2, part of intestine following 

 caecum ; jaw, larger (posterior) jaw; I. eff. br. c. left efferent branchi.il vessels; /. tt-nt. 

 int. left internal tentacular lobe ; need. s. Needliam's sac ; odont. odontophore ; oe,' . style 

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

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

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

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

 tongue-shaped elevation of the floor of the mouth ; ra. valve of funnel ; ven. f. vena cava ; 

 vent, ventricle. 



