LIST OF COLOURED PLATES. 



PLATE I. 



FIG. 



1. Film of pus, containing staphylococci and streptococci. 



2. Fraenkel's pneumococcus in sputum. 



3. Meningococcus in epidemic cerebro- spinal fever. 



4. Film from a scraping of throat in Vincent's angina, showing fusiform 



bacilli and spirochaetes. 



5. Gonorrhoaal pus, showing gonococci and staphylococci. 



PLATE II. 



6. Spirochaete pallida, case of congenital syphilis. 



7. Tubercle bacillus and other bacteria in sputum. 



8. Leprous skin, showing clumps of bacilli in the cutis. 



9. Leprous granulation tissue, showing bacilli. 



PLATE III. 



10. Streptothrix actinomyces. 



11. Anthrax bacilli. 



12. Bacillus diphtherias. 



13. Bacillus diphtheriae (involution forms). 



14. Hofmann's pseudo-diphtheria bacillus. 



15. Typhoid bacillus, showing flagella. 



b xvii 



