The Author and Editor desire to express their grateful thanks to FÜrst Franz Auersperg, Sir Charles Dilke, Bart., Dr. Figdor, Mr. E. M. Hodgkins, Lord Hothfield, Mr. J. Pierpont Morgan, Lady Maria Ponsonby, Mr. J. Ward Usher, GrÄfin Emma Wilczck-Emo-Capodilista, and the anonymous collector, who have so kindly placed their treasures at their disposal, and permitted them to be illustrated in these pages.