108 



Dr. W. Pole on some unpublished 



Table of the Comparative Colour- Impressions produced by 

 the rays of various coloured pigments upon several indi- 

 viduals, each having Yellow and Blue Dichromic Vision. 



The Ml Saturation, Luminosity, and Chromic Strength of the fundamental 

 colour-disk used are each denoted by unity. 





Pole. 



Simpson. 



Lloyd 



and 



probably 



Dalton. 



Two 



brothers 

 Carne. 



Parry. 



By Eed Colours 

 (Hue yellow). 

 Carmine. 



101* 

 •10 

 •10 



1-00 

 •235 

 •235 



1-00 

 •50 

 •50 



0-95 

 •18 

 •13 



1-00 

 04 



•04 



095 

 •135 

 •085 



1-00 

 •08 

 •08 



1-00 

 •03 

 03 



1-00 

 •08 

 •08 



100 

 •35 

 •35 





Chromic strength 



Vermilion. 



Saturation 



Chromic strength 



Orange. 



Saturation 





Chromic strength 



By Green Colours 

 (Hue yellow). 

 Emerald Green. 



Saturation 



081 

 •42 

 •23 



097 

 •125 

 •095 



0-78 

 0-55 

 0-33 



074 

 •54 



•28 



1-00 

 12 

 •12 



0-81 

 •61 

 •42 



0-87 

 •56 

 •43 



0-98 

 •17 

 15 



Chromic strength 



Brunswick Green. 



Saturation 



Chromic .strength 



By Vermilion and Blue. 



Proportion of blue for [ 

 neutralization J 



Proportionate luminosity 1 

 of the resulting grey. . . J 



0-37 

 016 



018 

 0-12 



0-12 

 011 



011 

 0-04 



on 



0-08 



By Emerald Green and 

 Blue. 



Proportion of blue for"! 



neutralization .J 



Proportionate luminosity 1 



of the resulting grey J 



0-37 

 0-30 



047 

 0-40 



0-43 



0-35 



061 

 0-35 



0-66 

 0-33 



By Yellow and Blue. 



Proportion of blue for 1 



neutralization J 



Proportionateluminosity | 

 of the resulting grey ... J 



1-6 

 0-36 



1-4 



031 



1-5 

 0-35 



1-44 

 0-31 



1-5 

 0-40 



See note on p. 110. 



