COLOUR DIAGRAMS 



ON THE NEWTON-MAXWELL PRINCIPLE, 

 applied to Yellow and Blue Dichromic Vision . 



YELLOW ( 

 SENSATION ( 



Fig. 2. 



M» PARRY. 



Red,, 



Orange}, Yellow. 



Green 



Blue,. 



Indigo. 



Violet . 



-L_L 



Saturated Yellow Brillian 



Yellow 

 dilated ' 



Blue 

 gradually 



rUliUed 



uill, 



mule light,. 



Brilliant 



Saturated 



Bloc. 



SPECTRUM OF } DICHROMIC VISION 



MAXWELLS INTENSITY CURVES. 



