1891.] 



Colour of Cases of Tobacco Scotoma, fyc. 



503 



luminosity, she described all the red as grey, and of the same colour 

 as the white until 58'5 (X 6110), and after this point she said the 

 colour was brownish compared with the white. The colour continued 

 of this hue to her till 48 on the scale (A, 5720), when she said the 

 colour was neither brown nor green, but both. From 48 on the scale 

 she described the colour as green till quite sharply at 31*5 (A. 4905). 

 In the blue she again began to see grey ; the grey at this end of the 

 spectrum, and also of the white patch, she called brownish-grey. 



