PLATE IV 



THE LEISHMAN-DONOVAN BODIES 



Fig. i. A rare form of the parasite without vacuole or 

 secondary chromatin body. 



Fig. 2. Small form of parasite. 



Fig. 3. Parasite with ' tail ' joining the chromatin masses. 



Fig. 4. Pear-shaped form. 



Fig. 5. A large form with very large chromatin mass. 



Fig. 6. Tail-like structures distinct from that of Fig. 3. 



Fig. 7-11. Dividing forms. 



Fig. 12. Parasites in apparently altered blood cells. 



Fig. 13. Parasite in matrix, the remains of protoplasm of a 

 leucocyte. 



Fig. 14. Parasites in bodies after treatment with hypotonic 

 ammonium oxalate solution. 



Fig. 15. Parasites and pigment in apparently an altered red 



cell. 

 Fig. 1 6. Parasites in a polynuclear leucocyte. 



Fig. 17. Parasites in a large mononuclear leucocyte. 



Fig. 1 8. Endothelial cell containing parasites, from the femoral 

 vein. 



Fig. 19. A macrophage containing parasites. 



Fig. 20. Endothelial cell from testis with parasites. 



Fig. 21. Swollen endothelial cell from granulation tissue with 

 parasites. 



Fig. 22. Necrotic macrophage from spleen with parasites. 

 Fig. 23. A similar cell reduced to a mere pellicle with parasites. 



Fig. 24. Section of liver shewing macrophages in the capillaries 

 with parasites. 



Fig. 25. Young granulation tissue from an ulcer shewing two 

 parasites. 



