680 



ZOOLOGY 



SECT. 



bllC.g 



l.ct&d. 



. . r )7'.t. Triton nodiferus. Nervous system, from the dorsal side. A /. 

 buecal connective ; cer. .". cerelirul ganglion ; ro/. />. nerves to tlie coluinellar mu 



iit/r/i. </ 



Infra-oesophagea] vism-al ganglion ; /. ni,<i. </. left abdominal ganglion ; /. hi\ ,>. left branchial 

 nerve ; /. />/. ///. norvos to branchia and osphradium ; /. in<t,i.t. n. left mantle nerve; pi-<'. con 

 cerebro-pedal and pleuro-pedal connectives; ned. </. pedal ganglia; j>f. (/. pleural ganglion 

 ,-. li. .'/. i-ight abdominal ganglion ; r. br. . right 'branchial nerve ; r. mant. n. right mantle 

 nerve; *<',/<'" .'/ supra-intestinal visceral ganglion; rise. n. visceral nerve branches. 



