39 
TABLE I. 
Elementary ones. 
48 
Yellow 
45 
Red 
80 
Violet 
Prismatic Colours. 
Compounds. 
48 Yellow 
45 Red 
compose Orange 
80 Violet 
6o Blue 
compose Indigo 
48 Yellow 
6o Blue 
compose Green 
60 
Blue 
These colours, with the addition of White, to lighten, and Black, to darken, 
belong to the first mass, or most prominent part of a group, and have no place 
in any other part of it. 
