George S. Chappell, Sarah of the Sahara: A Romance of Nomads Land (1923)
“ They were off at once, loping across the desert with that supremely easy and deceptive swing of their slightly bowed legs, traveling at a gait which breaks the heart of the swiftest horse, their snowy plumes gleaming in the sunshine. But what brought me up all standing was the fact that the leader of the flock sported in the center of his tail-feathers a gorgeous ostrich plume which very evidently did not belong there. For it was bright blue!On the instant I recognized it as the ornament [60] worn by Lady Wimpole at the Casino in Monte Carlo! ”
