CONTENTS 



xm 



LECTURE 



XVII. 



XVIII. 



WOUNDS 



Healing, and development of new blood vessels. 

 Healing of osseous, cartilage, and nerve tissues. New 

 tissue, how skin recovers a surface 88 



WOUNDS {Continued) 



Bad treatment, bleeding, sewing, bandaging, washing, 

 dry treatment, maggots, practical suggestions . . 91 



CAUSE AND PREVENTION 

 XIX. CONTAGIUM 



The individual bacterium, plagues in history, dissem- 

 ination, development of outbreaks, body entrance, 

 method of injury, resistance, how destroyed in nature, 

 classification, practical suggestions 96 



XX. DISINFECTION 



Purpose, sources of infection, thoroughness, attendants, 

 how to burn a carcass, common disinfectants, 

 methods of disinfection 102 



XXI. HEREDITY— AIR 



Theory of heredity in relation to disease, in-and-in breed- 

 ing. 



Air impurities, relations to disease, standards of purity, 

 ventilation, practical application ... . . 106 



XXII. VENTILATION 



Stable air, necessity, unventilated air, natural forces, 

 air currents, outlets . ... .... 109 



XXIII. VENTILATION (Continued) 



Stable construction. — Space, location, stable construc- 

 tion for ventilation, ventilation, amount of air needed 114 



XXIV FOOD AND WATER 



Food. — Excess, deficiency, bulk, quality, balance, inter- 

 vals, poisonous foods. 

 Water. — Excess, deficiency, parasites, sewage, intervals. 

 Practical application • 119 



