He wrote two versions of his introductory analysis, a longer version published in the original 1885 edition of his translation, in which he severely criticized Cervantes's writing style, and a more concise version (the one published in most editions of the translation), in which some of the criticisms have been omitted.
He prepared two versions of his introductory analysis for inclusion in his translation from the 1885 edition; one was lengthy and critical of Cervantes's style, while the other was a concise version that omitted some of these critiques.