IT IS the purpose of this brief communication to present a concept of the anatomic defect that exists in the various types of groin hernias and to outline a method for their correction which is in essence a restoration of the inguinofemoral structure to normal. In as much as Dr. Barry J. Anson and I, in collaboration, have repeatedly presented the detailed anatomy of the region,1 no attempt will be made here to review these papers. As a matter of fact, I presented a paper dealing with the anatomy of inguinal and femoral hernias before the first meeting of the Central Surgical Association in 19411h and pointed out the error in using the inguinal ligament in any part of the repair of an inguinal or femoral hernia. In the ten years since Dr. Anson and I first published our anatomic observations and suggested a change in the conventional