ELECTRIC OIIGANS OF ELSHES. 



351 



columns and the larger branches of the nerves and vessels of the 

 orn'an. Some of the vertical cohmms do not extend through the 

 entire thickness of the organ ; but are intcrru]ited where the 

 deep-seated nerves traverse the sidistancc of the l)attery, fig-. 2.31, 

 A, 1). The transverse })latcs of the vertical columns are shown 



231 



Tliu 1-ittlitclcctr 



grin, divided liurizoiitally, ;it 11. t' iJj'-C whcrr llic nerves enter, T.iirdh,. i.xwi. 



at E. Hunter, who counted 470 columns in each organ, describes 

 the ]iartitlons as being very vascidar : — 'The arteries,' he says, 

 'are branches from the vessels of the gills, which convey the 

 blood tliat has received the iniiuence of respiration." But the 



' I XXXI. 



