Malaria in Britain. P. Rees, M.R.C.P.ED.; D.C. Prior, L.M.S.S.A............................. 310 Effects ofNicotine. J. H. Bum, M.D., F.R.S....310 Requests for Abortion. J. M. Thomson, F.RC.O.G.; R. G. Bird, D.P.M...................311 Royal Malady. C. E. Dent, F.R.C.P., F.R.S.; T. K. With, M.D...................................... 311 Porphyrin. C. J. Watson, M.D...................313 Drugs in Control of Hypertension. K. N. V. Palmer, F.R.C.P.,and Audrey A. Dawson, M.D.313 Aypertenion in the Tropics. E. Montuschi, M ....................................................313 Prevention of Rh-haemolytic Disease. R. F. Jennison, M.D....................................... 313 Renal Pain of Vascular Origin. R. W. Heslop, P.R.c.S., d others ............................. 314 Guinea-worm Arthritis of Knee Joint. B. M. Greenwood, M.R.C.P.; Margaret F. Johnson, F.R.CS.ED.................................... 314 Gastrointestinal Bleeding in the EhlersDanlos Syndrome. P. H. Beighton, M.R.C.P.ED.