The renaissance of archæological studies -- The foundation and prehistoric life of Rome -- The sanitary condition of ancient Rome -- Public places of resort -- The palace of the Cæsars -- The house of the Vestals -- The public libraries of ancient and mediæval Rome -- The police and fire department of ancient Rome -- The Tiber and the Claudian Harbor -- The Campagna -- The disappearance of works of art, and their discovery in recent years.