TRYPANOSOMIASIS IN THE ANGLO-EGYPTIAN SUDAN 163 



trypanosomes and a general improvement in healtli followed the exhibition of ehrysoidine, 

 and his observations were confirmed by Dr. Baker. I have observed that the dye does 

 seem to cause a disappearance of the parasites both from the peripheral blood and the gland 

 juice, but then the patient has been removed from a trypanosome area and the chance of 



Fig. 76. — Uganukse Buy " Warig.-i " 

 (Photographed at Khartoum during treatment) 



of further infection, has been well-fed and wtdl-clothed and has been carefully treated for 

 syphilis. Further, human trypanosomiasis in its early stages is, as a rule, a very chronic 

 affair and the parasites appear and disappear of their own accord in the peripheral blood. 

 I feel that I cannot commit myself to any opinion so far, though I have also a 

 monkey experiment as a control. It would seem that ehrysoidine is distinctly irritating to 

 the kidneys and has to be used with caution. 



