the working of this same law—for our sense of color is primarily due to the varying number of color-cones with which each of us is endowed. It is in color, more than in any other artistic attribute, that the temperamental quality of a painter’s product shows itself most clearly.
In more than the strictly scientific sense heretofore noted, color is very closely allied to music. Both are sensuous and passional, playing directly upon the emotions and producing their effects by some mysterious appeal to the subconscious, whose ways have as yet eluded us. Both, in their highest expression, come nearer to the perfect ideal of beauty as felt and understood by humanity than any other form of art. Finally, both are stimulating and mentally suggestive, while attempting no direct intellectual expression; and