Page:A critique of the theory of evolution.djvu/59

Fig. 15. Diagram illustrating a cross between special races of white and black fowls, producing the blue (here gray) Andalusian.

Another case of the same kind is known to breeders of poultry. One of the most beautiful of the domesticated breeds is known as the Andalusian. It is a slate blue bird shading into blue-black on the neck and back. Breeders know that these blue birds do not breed true but produce white, black, and blue offspring.