If an excuse is needed for presenting a single case, the anatomic and physiologic interest which this case bears is sufficient.
REPORT OF CASE
—J. W., aged 67, a caretaker and furnace man, was admitted to the hospital on April 1, 1929, complaining of headaches and dizziness. About five months before, he had begun to suffer from attacks of headaches and dizziness, which usually occurred when he was at work. He would suddenly become dizzy, vision would become blurred, and he would have to support himself to keep from falling. There was no loss of consciousness and at first no vomiting. No peculiar sensations occurred in the body or limbs, and there was no muscular weakness. The attacks would last from ten to fifteen minutes and immediately pass off if he sat or lay down. The attacks had been becoming more frequent and more severe, and the headaches were