If the art of Cookery in all its branches were not undergoing a process of evolution, and if its canons could be once and for ever fixed, as are those of certain scientific operations and mathematical procedures, the present work would have no raison d’être; inasmuch as there already exist several excellent culinary text-books in the English language. But everything is so unstable in these times of progress at any cost, and social customs and methods of life alter so rapidly, that a few years now suffice to change completely the face of usages which at their inception bade fair to outlive the age—so enthusiastically were they welcomed by the public.