OF late years much has been said and written about the colon, and a good deal has been done to it. It has, on the one hand, been abused for its sins and, on the other, pitied for its sorrows. There are those who would stimulate and those who would soothe; those who would make fast, loosen, or denervate. And we have enjoyed some spirited writing, and seen much enterprise displayed, on one view or another, both by physicians and surgeons.