PLATE VI. 



Fig. 23. Entamreba histolytica in pus, from tropical abscess of liver. 

 Wet fixed film. Stained by Benda's method. 



X 1000 diameters. 



Fie. 2-1. Leishman-Donovan bodies, from the spleen of a case of kala 

 azar. X 1000 diameters. 



Fig. 25. Blood-film, showing Trypanosoma, gambiense. Irishman's 

 stain. X 1000 diameters. 



