Smithsonian Report, 1 899.— Burdon-Sande 



Plate II. 



Photograph 4. 



4. Curarised Sartorius kept for twenty-four hours. Seat of excitation between the 

 leading-off contacts i mm. from d, 20 mm from jf ^''''"^"i ^^^ 



Photograph 5. 



Photograph 6. 



^*5!^i*T-"i*-^ curarised. Indirect excitation. The undulations on the line of 

 accent indicate the trequeney of the stimuli— 60 per .second. The radial line 

 indicates here not the moment of stimulation but that at which the short cir- 

 cuit of the secondary coil was opened. 



