The elevation is high, over 4,400 feet above sea-level, and probably the rarity of the atmosphere has something to do with the feeling of depression which one constantly experiences after four years’ residence in the country without a furlough. When the atmosphere is so rare, the lungs cannot perform their full amount of work, and the liver is called on to help, with the result that it cannot discharge its own functions properly, and indigestion and dyspepsia are the result.
Malaria is a great enemy and source of danger to life, the natives suffering a great deal from it, much more so in proportion than Europeans. No doubt it is passed on from natives to Europeans by mosquitoes. Professor Ross, of the Liverpool School of Medicine, is of opinion that malaria is conveyed almost entirely by mosquitoes; and that—if it is possible for Europeans to live entirely apart from natives, keeping them at a
