1. Of 220 papers consulted, only those referred to in this paper are listed here. A fuller list and a table of published cases will be deposited in the library of the Royal Society of Medicine. A few more important references are starred
2. Allen, P. L. (1940). Texas State J. Med., 36, 540.
3. Beer, E., King, F. H., and Prinzmetal, M. (1937). Ann. Surg., 106, 85.
4. Belt, A. E., and Powell, T. O. (1934). Surg. Gynec. Obstet., 59, 9.
5. Crises Hypertensives (these de Paris);Bernal, P.,1933