xviii LIST OF COLOURED PLATES 



PLATE IV. 



FIG. 



16. Negri bodies in nerve cells in rabies. 



17. Bacillus pestis (involution forms). 



18. Spirochsete of relapsing fever. 



19. The cholera spirillum, showing flagella. 



20. Bacillus tetani, showing spores. 



PLATE V. 



21. The parasite of mild tertian malaria. 



Cycle I. (Schizogony). Asexual cycle in the human blood. 

 Cycle II. (Sporogony). Sexual cycle in the mosquito. 



22. The parasite of malignant malaria. 



PLATE VI. 



23. Entamoeba histoly tica in pus, from tropical abscess of liver. 



24. Leishman-Donovan bodies, from a case of kala-azar. 



25. Trypanosoma gambiense. 



