[allenI 



PHENOMENA OF THE PERSISTENCE OF VISION 



203 



Fig. 6. 



TABLE 5 



On comparing the figures, both curves will be. seen to be essentially 

 the same), and also tot differ greatly from the curve sihown in figure 5. 

 The! fatigue curves obtained with the complementary colours are elevated 

 above the normal at both «nds, which correspond to red and violet, land 



