The best results may be obtained by the use of YOUNG’S self-retaining RECTAL DILATORS. They are made of bard rubber and come in sets of four sizes. May be used by any intelligent person. Their use accomplishes for the invalld just what nature does daily for the healthy individual. If you will presribe a set of these dilators in some of your obstinate cases of Chronic Constipation you will find them necessary in every case of this kind. Price to the profession, $2.50 per set. Sold by leading instrument houses and F. E. YOUNG & CO., 46 Michigan Avenue, Chicago.