APPENDIX 335 



d. Phototropism. 



e. Phototaxis. 



2. Temperatures. 



a. Heat. 



Direct flame. 



Dry. 



Moist. 



Steam under pressure. 

 6. Cold. 



c. Thermotaxis. 



d. Thermotropism. 



3. Electricity. 



4. Desiccation. 



5. Mechanical pressure. 



6. Mechanical agitation. 



7. Gravity. 



8. Chemicals. 



a. Chemotropism. 



b. Chemotaxis. 



c. Concentrated solutions. 



d. Antiseptics, disinfectants, 



III. HYGIENIC MICROBIOLOGY 



A. Communicable Diseases of 



1. Man and animals. 



a. Causal agent or microorganism. 

 6. History of microorganism. 



c. Vitality or persistency of microorganism. 



d. Means of dissemination and avenues of infec- 



tion. 



e. Distribution of microorganism in body. 

 /. Management of disease. 



g. Prevention of disease. 



h. Care of dead from communicable diseases. 



