I. Methods of Sterilization II. Exercises to Femonstrate Morphology and Staining Characteristic of Bacteria Yeast and Molds III. Nature Use and Function and Exercises on the Preparation of Media for Groth of Bacteria IV. Exercises on Cultural Characteristics of Bacteria V. Exercises to Demonstrate Physiological Characteristics and Methods for Detevtion of Product of Enzyme Action of Microorganisms VI. Exercises to Demonstrate Effects of Physical and Chemical Agents on Bacteria VII. The Quantitative Estimation of Bacteria VIII. Exercises on the Agglutination Reaction and Techniques Supplementary Exercises in Sabitary abd Food Bacteriology Appendices Appendix A. Dichotomous Keys to Some Families Genera and Species of Bacteria Appendix B. Preparation of Standard and Special Culturte Media Appendix C. Preparation of Staining Solutions and Special Staining Methods Appendix D. Test and Reagents for Metabolic Priducts Appendix E. Glossary of Descriptive Terms