CONTENTS. xiii 



CHAPTER XV. 



PAGE 



Spreading of Disease and Epidemics, - - 142 



CHAPTER XVI. 



The Factors of an Epidemic, - - - - 149 



CHAPTER XVH. 



Remedial Measures, - - - - - - 159 



CHAPTER XVHI. 

 Variation and Disease, ----- 168 



CHAPTER XIX. 

 Symptoms of Disease, - - - - - - 179 



CHAPTER XX. 



Symptoms of Disease {Continued)^ - - - 186 



CHAPTER XXI. 

 Artificial Wounds, - 194 



CHAPTER XXII. 

 Natural Wounds, ------- 204 



CHAPTER XXIII. 

 Excrescences,- - - - - - - - 212 



