Dr. Richardson stated that he believed in operating as soon as possible after all attempts to dislodge the foreign body by means of the probang had failed. He "also emphasized the importance of doing the operation at one sitting. Dr. Cheever stated that, in his experience, a foreign body high up in the oesophagus could hardly be tolerated for a longer time than about three days, for by that time exhaustion or abscess would be pretty sure to occur, but that in case the body is lower down the tube, the symptoms do not appear to be so urgent, and