The colours of animals : their meaning and use, especially considered in the case of insects (1890)
Poulton, Edward Bagnall, Sir, 1856-1943 · New York : D. Appleton · leaf 190
162 THE COLOURS OF ANIMALS I know of no instance of this kind among birds, but it is probable that the gaudy and strongly-contrasted colours of certain tropical species may be found to be accompanied by some nauseous property and to be of "warning significance. … EtG. 42. — ^The Brazilian Skunk {Mephitis svffocans) : showing the conspicuous black and white appearance of the animal which serves as a warning to its enemies. The brilliant and conspicuous colours of many powerful birds are, I think, to be explained as a result of the free scope given to sexual…
Animals · Insects
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.