Contents 



1. Introduction 1 



2. Highlights in the History of Microbiology 6 



3. Bacteria Are Classified as Plants 51 



4. Microbes Must Eat 57 



5. Microbial Structures and Staining Reactions 84 



6. Cultivation and Identification of Bacteria 116 



7. Bacterial Multiplication 137 



8. Effects of Physical Forces on Bacteria 154 



9. Effects of Bacterial Growth on the Environment 174 



10. The Effect of Chemicals on Microorganisms 195 



11. Polluted Water Can Kill You 219 



12. Biological Sewage Disposal 238 



13. The Air We Breathe 251 



14. The Soil and They That Dwell Therein 265 



15. Food Poisoning and Food Infection 277 



16. Disease Transmission and Man's Resistance 294 



17. Pathogenic Bacteria 328 



18. Arthropods and Disease Transmission 348 



19. The Fungi-Molds 358 



20. The Fungi- Yeasts 369 



21. The Rickettsiae 378 



22. Viruses 392 



23. Blood Grouping 408 



References /\nl^ ^^^ 



Index ^^07 ( 425 



tx 



