Indian Runner duck the Pekin duck. As soon as the Indian Runners became fashionable, a demand for egg-layers and general purpose breeds developed. Using Runners crossed to Rouens, Aylesburys and Cayugas (the large black American breed), William Cook produced his famous Orpington Ducks. Mrs Campbell crossed her fawn-and-white Runner duck to a Rouen drake to create the Campbell ducks introduced in 1898. Later, she introduced wild mallard blood and managed to create the most prolific egg-layer, the Khaki Campbell (announced in 1901). Other breeds followed, some of which emerged as direct mutations of the Khaki Campbell, along with crosses back to Indian Runners,
Khaki Wars. Khaki was devised to protect soldiers against the dangers of the industrialized battlefield, where the traditional bright colors and elaborate costumes made them vulnerable to attack. A response to surveillance technologies and smokeless powder, khaki could camouflage soldiers in the field of battle. The trousers known as "khakis", which became popular following World War II, were initially military-issue khaki-colored chino cloth twill, used in uniforms and invariably khaki in color. Today, the term is sometimes used refer to the style of trousers based on these trousers, properly called chinos, regardless of their color. At right is displayed the color