Mr. Charles Bull came under my notice early in December, 1894, with the following history: In December, 1892, the patient, a student, then 18 years of age, began to complain of some difficulty in breathing through the nose. In March, 1893, he began to suffer from severe pains in his head, was very nervous, could not sleep, began to lose his appetite, and had to discontinue his studies. In June of that year he was examined by a specialist, a well-known rhinologist, who discovered a growth in the naso-pharynx and pronounced it a naso-pharyngeal polypus. From June 30 to Nov. 18, 1893, treatment was discontinued, as the young man went on a sailing voyage. On November 21 he again visited the specialist. By this time the tumor had grown considerably, and by December 14 the patient was suffering intense pain in the head, complaining that it was a pressure on