Jour. Sei. Coll., Vol. XXXVII., Art. 1, Plate I. 



Fie:. 1. 



Astrape japonica. 



Anterior part of the skin has been removed to show the electric or<>aus and the electric nerve«. 



Fig. 2. 



A direct stimulus and the resulting discharge. 



K. Fuji: Researches on the Electric Discharge of the Isolated Electric Organ of Astrape 

 (Japanese Electric Ray) by Means of Oscillograph. 



