LIST OF ILLUSTRATIONS. 



FIG. PAGE 



1. Different forms of bacteria 7 



2. Arnold's steam sterilizer 19 



3. Autoclave 21 



4. Gonorrheal pus, showing gonococci within a leucocyte . . 45 

 5. Diplococcus pneumonise in the heart's blood of a rabbit . 49 



6. Typhoid bacilli showing flagella 57 



7. Stages of the Widal reaction 63 



8. Tetanus bacilli. Spore-bearing rods from an agar cul- 

 ture 71 



9. Anthrax bacilli. Spore formation and spore germina- 

 tion 79 



10. Bacillus diphtherias 87 



11. Organisms of Vincent's angina, showing spirillum and 



fusiform bacillus 89 



12. Actinomyces hominis (lung) 100 



13. Microsporon furfur 102 



14. Trichophyton tonsurans 103 



15. Ameba coli. From dysenteric stool 113 



16. Treponema pallidum in smear from secretion of a fresh, 



hard chancre 115 



17. Plasmodium vivax, parasite of tertian fever 119 



(vii) 



