Laryngofissure, or thyrochondrotomy, for intrinsic cancer of the larynx had fallen into disrepute because it had been performed in improperly selected cases. Sir Henry Butlin (then Mr. Henry Butlin) and Sir Felix Semon, in the last decade of the last century, reestablished the operation on the sound basis on which it rests today. As established by them, it was strictly limited to small intrinsic growths; and to perform a laryngofissure when there was extrinsic involvement was considered a serious mistake. Semon, many years ago, called attention to "curious international differences" in regard to the status of laryngofissure for cancer. Strange as it may seem, this difference exists to a great extent today, so far as the United States is concerned, notwithstanding the work of Chevalier Jackson1 and other laryngologists in this country. It is strongly advocated as the best procedure in early intrinsic cases by