The obvious danger to the patient who has undergone laryngectomy of exposure to water has been obviated by a simple device designed, in the main, by a patient of mine. C. H., 70 years of age, was first seen in September 1948 with a two month history of hoarseness. Laryngeal examination revealed neoplastic infiltration of the posterior portion of the left cord with involvement of the left arytenoid cartilage. Biopsy showed this to be a grade 1 epidermoid carcinoma. Laryngectomy was performed on October 13, and the patient made an uneventful recovery with minimal scarring and an excellent stoma. The patient has always enjoyed robust health, and soon after the operation he resumed his usual preoperative routine with the exception, of course, of swimming and boating, both of which he previously enjoyed immensely. After discussion with me concerning the new arrangement of his breathing mechanism, he finally evolved this simple