CONTENTS. 11 



CHAPTER XIX. 



PAGES 



Influenza 174-176 



BACILLUS OF INFLUENZA 174-176 



CHAPTER XX. 



Bubonic Plague 176-179 



BACILLUS PESTIS 176-179 



CHAPTER XXI. 



Relapsing Fever 179-180 



SPIRILLUM OBERMEIERI 179-180 



CHAPTER XXII. 



Dysentry, Hog Cholera, and Chicken Cholera 180-185 



DYSENTRY : Bacillus Dysentericae 180-1 82 



HOG CHOLERA: Bacillus sui Pestifer 182-183 



CHICKEN CHOLERA : Bacillus Cholerse Gallinarum 183-185 



CHAPTER XXIII. 



The Pathogenic Micro-organisms other than Bacteria . . 185-196 



ACTINOMYCOSIS, MALARIA, AND AMCEBIC COLITIS : StreptO- 



thrix 185-186 



ACTINOMYCOSIS: Streptothrix Actinomyces (Ray Fungus); 



Other Pathogenic Streptothrices 186-188 



MALARIA: Plasmodium Malarise 189-193 



AMCEBIC COLITIS : Amoeba Coli 194-196 



CHAPTER XXIV. 



Bacteriological Examinations of Water, Air, and Soil . 196-204 



THE BACTERIOLOGICAL INVESTIGATION OF WATER .... 196-202 



BACTERIOLOGICAL EXAMINATION OF THE AIR 202-203 



THE BACTERIOLOGICAL EXAMINATION OF THE SOIL . . . 203-204 



