CONTENTS 



PART I. 



The microscope 



Measurement of bacteria 



Sterilization 



Lockers and equipment 



Examination of unstained bacteria 



Gelatin 



Agar 



Melting and solidifying points of agar and gelatin 



Air analysis 



Cautions and directions for identification of unknown cultures 



Descriptive chart 



Plate 1. Types of growth in stab and streak cultures 



Age for examination of various cultures 



Stains 



Morphology 



Descriptions of culture media 



Descriptions of various species of bacteria 



PART II. 



Water testing 



Bacteria in milk. Plating method 



Direct microscopic examination of milk 



Effect of temperature on keeping quality of milk 



Bacteria from various sources 



Distilled water experiment 



Bacteria in meats 



Testing for presence of spores 



Conversion factors 



Comparison of metric and English systems 



Glossary of laboratory bacteriological terms 



