The ear in which the patient's hearing was the more defective was invariably selected for operation. The night before the operation the auditory canal was thoroughly cleansed, syringed gently with a solution of bichlorid, 1 to 1000, and occluded with a piece of iodoform gauze, which was allowed to remain in position over night. The drumhead was soaked for one hour before the operation in a sterilized 4 per cent. solution of cocain, by means of a pledget of sterilized absorbent cotton, which was saturated in the solution and inserted into the canal in contact with the drumhead. After the primary incision through the membrana, the edges of the wound and the intratympanic membrane was touched from time to time with a sterilized 10 per cent, solution of cocain. All maneuvers subsequent to the primary incision were thus rendered practically painless.
The steps of the operation performed for the relief