On the Vision of Colours, 35 
others call brown, appear to me green. Green 
woollen cloth, such as is used to cover tables, ap- 
pears to me a dull, dark, brownish red colour. A 
mixture of two parts mud and one red would come 
near it. It resembles a red soil just turned up by 
the plough. When this kind of cloth loses its co- 
lour, as other people say, and turns yellow, then it 
appears to mea pleasant green. Very light green 
paper, silk, &c, is white to me, 
GREEN. 
( By candle-light.) 
I agree with others, that it is difficult to distin- 
guish greens from blues by candle-light; but, with 
me, the greens only are altered and made to ap- 
proach the blues, It is the real greens only that are 
altered in my eye; and not such as I confound with 
them by day-light, as the brown liquids abovemen- 
' tioned, which are not at all tinged with blue by 
candle-light, but are the same as by day, except that 
they are paler. 
BLUE, | 
( By day-light and candle-light. ) 
_ IL apprehend this colour appears very nearly the 
same to. me as to other people, both by day-light 
and candle-light. 
PURPLE, 
(By day-light and candle-light. ) 
This seems to me a slight modification of blue, 
