I should like to add the report on 2 patients with Behcet's syndrome to a previous report on 3 cases made in 1946.1 All 5 patients were born in the Eastern Mediterranean basin. REPORT OF CASES Case 1.—History.—E. K., a married engineer aged 40, born and living in Turkey, had had recurrent scrotal ulcers since the age of 20. They appeared every few weeks or months; there was, however, once an interval of six months without lesions. The ulcers were indolent and took about a week to heal. At 21, oral ulcerations and iritis of the right eye developed. In the two following years the iritis of the right eye recurred every month and the left eye became similarly involved. Four years after the onset hypopyon appeared for the first time in the right eye. The iritis recurred often and led to almost complete blindness. The left eye showed