Fio. 31.— Rough Map. showiho distribution or Kala-azar in Kassala and Blue Nile Districts 



UP TO May. 1909 

 The Sudan area 1 dolled linil may be considered to be practically free, except from imported cases 

 P = Definitely proved cases .s" = Suspected cases 



To these cases must be added — 



(11 From While Nile (onel (2i Late Dr. Pirrie (3> From KelU (one) (4) From Singa (one) 



