NACHMANSOHN: CHEMICAL MECHANISM IN NERVES 427 



Plate 2 



Changes of the morphological structure of the electric plates at different sec- 

 tions of the electric organ of Electrophorus elcclricus. 



The specimen used for this section was 114 cm. long. All sections are repro- 

 duced with the same magnification (X 145). The numbers below each section 

 indicate the distance in cm. from the anterior end of the organ. H — bead end, 

 C ~ caudal end. 



