As 92 emergency operations of the colon have been carried out, a record is given of their indications, the most prevailing being, in Africa, intussusceptions and volvulus of the pelvic colon. Out of 64 exercises and colic derivations, 42 ideal colectomies are used as a ground for the analysis of the requirements and limits of this emergency operation. As out of the 7 fistulas they have observed, 6 of them have been outcomes of exeresis of necrosed colic segments, the authors in accordance with the newest bibliographic data, emphasize the importance of mastering the anastomosis technique.