demonstrating that colors in art can transcend mere representation of nature. Keywords color theory, nature, harmony, color wheel, primary colors, secondary colors, analogous colors, monochromatic ...

THIS interesting and suggestive work deals with the whole question of colour in nature, and more especially ... Mr. Darwin's theory of sexual selection to account for the colours oi most animals ...

Researches in Colour Vision and the Trichromatic Theory. By Sir William de W. Abney Pp. xi + 418 + 5 plates. (London: Longmans, Green and Co., 1913.) Price 21s. net.