There is also an illustration of Roxy at p 169 of the 1899 edition, and she matches the figure that appears in the middle of the illustration in question. Clearly, Kemble did not depict her as an "Aunt Jemima" figure. After further checking I suspect these illustrations are not new ones drawn by Kemble in 1898/9, but more likely the ones that accompanied the original magazine appearance in Century Mag Dec 93--June 94). Kevin Mac Donnell Austin TX