Thrombosis of a superior cerebral vein without involvement of the superior longitudinal sinus rarely occurs. The syndromes presented from involvement of the rolandic vein in a previously recorded case and in my patient were so similar as to define an apparently new symptomcomplex. Differential diagnosis must be made between cerebral venous thrombosis, superior longitudinal sinus thrombosis and tumor of the brain. REPORT OF CASE History. —L. W., a white man, aged 76, a stationary engineer, entered the Philadelphia Hospital in February, 1927, with a clinical diagnosis of right hemiplegia. The family history was essentially unimportant. He had used alcohol and tobacco moderately, had had the usual diseases of childhood, pneumonia several years before and a "poisoned foot" about three months prior to admission. Two weeks before entrance into the hospital, he awakened in the morning as usual, but found himself unable to stand. There was no history of unconsciousness or