was generally yellow, for the painter instinctively pushed the effect towards the powerful side.
892.
If we look at a picture through a yellow glass it will appear in this tone. It is worth while to make this experiment again and again, in order to observe what takes place in such an operation. It is a sort of artificial light, deepening, and at the same time darkening the plus side, and neutralising the minus side.
893.
This spurious tone is produced instinctively through uncertainty as to the means of attaining a genuine effect; so that instead of completeness, monotony is the result.
WEAK COLOURING.
894.
It is owing to the same uncertainty that the colours are sometimes so much broken as to have the effect of a grey camayeu,