Grateful acknowledgment of permission to reprint some of the articles and photographs which enter, with additional new material, into the redaction of this volume is made to the Century Magazine, Everybody’s Magazine, Collier’s Weekly, the Saturday Evening Post, the Scientific American, the London Fortnightly Review and Westminster Gazette, the Paris L’Illustration and Le Monde Illustre, and the London Illustrated News, Black and White, Sphere and Graphic, in which journals they in part originally appeared. The reproduction of the frontispiece in oils by Mazzanovich, redrawn from Mr. Barry’s snapshot on the field, is here made by courtesy of Everybody’s Magazine.