1. I. VIEUSSEUX, G. (1805), 7. Med. Chir. Pharm., Paris, 2, I63.
2. S. (I9sI), ' Modern Practice in Infectious Fevers,';BANKS, H.;Vol
3. Ibid., Vol. I, 303.
4. JUBB, A. A. (1943), Brit. med..., i, 50Io.
5. MACLEAN, I. H. and BEVAN, C. E. (1939), Proc. Roy. Soc. Med., 32, I55I.