This address of Dr. Henry, though unpretending in form, is exceedingly well timed and full of suggestiveness. The doctor evidently belongs to the conservative class of his profession, who long for the day when eminent respectability, which is the escutcheon of the medical man in European countries, will be fairly won and worn by every one who subscribes M.D. to his name. As a consequence, he is the bitter enemy of every form of quackery and undue pretentiousness. He certainly handles _soi-disant_ specialists without gloves, and gives the best of reasons why the community should rebel against their assumption of skill. Too many so-called specialists are men who have devoted their time and attention to a special branch of the profession while entirely neglecting the others. This is illogical and cannot be done. Medicine is a science whose parts are bound together as indissolubly as the stages of a reasoning process, and whoever imagines that he can master one department without a knowledge of the others simply follows the advice of Dogberry. We have oculists and aurists and gynœcologists without number who have no knowledge of general pathology. This is altogether wrong. The true _raison d’être_ of a specialist is that, having profoundly studied the science of medicine, he finds that his natural aptitude or taste draws him to one branch of the profession rather than to others. In this manner only have the prominent and highly-reputed specialists in Europe and among ourselves won their fame and fortune. Dr. Henry, in a clear and trenchant style, demonstrates the absurdity of specialties, as such. MONGRELISM. By Watson F. Quinby M.D. Wilmington, Del.: James & Webb.