Short Term Fevers in the Punjab

planatory notes as are considered necessary. The conclusions drawn at the end are ventured in the hope that they will receive the light ot criticism bv more capable workers. The summer of 1929 in the Punjab generally was most unique in several ways. The heat was most oppressive until the outbreak of the monsoon, and record temperatures were recorded. The monsoon broke comparatively early and was characterised by little rain in the eastern districts of the Punjab, which are usually those most bountifully supplied and it spent itself on the south-western districts of the Punjab. Record floods in the western rivers of the Punjab occurred and of necessity there was a rise in the subsoil water level. Cases 1 to 5 were observed at Ambala and relate to the period of summer before the onset of the rains. The surroundings were considered not at all favourable to the breeding of mosquitoes. On the other hand, with thatched roofing of the houses and matting, ideal surroundings for harbouring sand-flies were noticed. I may mention also that all these cases were taken from the same house. Cases G and 7 were observed at Lahore at the time of the summer when the end of the