CONTENTS 



SECTION I 



MORPHOLOGY AND CLASSIFICATION OF 

 MICROORGANISMS 



CHAPTER PAGE 



I. The Development op Agricultural and Industrial 



Bacteriology 3 



Development of the microscope — Controversy over the 

 theory of spontaneous generation — The Controversy 

 over the germ theory of fermentation — Controversy over 

 the theory of pleomorphism — The Controversy over 

 the germ theory of disease. 



II. Groupings and General Relationships op Micro- 

 organisms 11 



Differences between microscopic plants and animals — 

 Position of bacteria, yeasts, and molds in the plant king- 

 dom — Groups of Thallophyta showing position and 

 relationships of bacteria, yeasts, and molds — Thall- 

 ophyta — -Differentiation of bacteria, yeasts, and molds — 

 The protozoa. 



III. Morphology and Classipication op the Bacteria Mor- 

 phology OP Bacteria 15 



Shape — Size — Multiplication of bacteria — AU groupings of 

 bacteria — Structure of the bacterial cell and its appen- 

 dages — Spore formation — Conidia formation — Classifi- 

 cation of bacteria — Key to genera of bacteria of agricul- 

 tural and industrial significance — Outline of bacterial 

 classification— Order Eubacteriales— Keyto families of the 

 Eubacteriales — Family Nitrobacteriaceae — Acetobacter 

 — Nitrosomonas — Nitrobacter — Azotobacter — Rhizo- 

 bium — Family BacUlaceae — Bacillus — Clostridium — 

 Family Coccaceae — Neisseria — Streptococcus — Dip- 

 lococcus — Staphylococcus — Micrococcus — Sarcina — 

 Family Pseudomonadaceae — Family Bacteriaceae — Ery- 

 throbaoillus — Erwinia • — Proteus — Bacterium — Pas- 

 teurella — Hemophilus — Lactobacillus — Family Spir- 

 iUaceae — Vibrio — Spirillum — Order Actinomycetales 

 — ^Actinomyces — Mycobacterium — Corynebacterium — 

 Pfeifferella — Order Spirochaetales — Treponema. 



