OOIsTTE^TS. 



PART I. 



PAGE 



The Diseases of Domestic Animals ...... 1 



Trichuriasis of Man and Animals ...... 2 



The Intestinal Trichinae . ..... 11 



Trichuriasis in Swine . . . . . . . 15 



Trichina? in American Pork . . . . . . .18 



Examinations of American Pork ...... 20 



American Hogs much more infected than European . . . .26 



The Disease in Swine ....... 28 



Prevention of Trichiniasis in Swine . . . . . .31 



The Microscopic Examination of Pork ..... 32 



Objects which may be mistaken for Trichinae, or not recognized as such . 34 



Trichiniasis in Man ....... 35 



Prevention of the Disease in Man . . . . . .40 



Hog-Cholera ......... 41 



Etiology ......... 41 



Bacillus suis ........ 43 



Influence of Season and Temperature ...... 44 



Incubation ......... 45 



Pathological Anatomy ........ 47 



Microscopic Observations ....... 48 



Prevention of the Disease ....... 50 



Disease of Cattle ...... .52 



■ Tuberculosis in Cattle . . . . . . . .61 



Statistics as to its Prevalence . . . . . . 71 



Infection .......... 74 



Bacteria ......... 79 



Classification of Bacteria ....... 80 



Distinction of Bacteria from Inorganic Objects .... 84 



Dissemination of Bacteria in Different Media . . . • .86 



Nutrition of Bacteria ....... 86 



Reproduction of Bacteria ....... 88 



Reproduction by Spores . . . . . . 89 



The Action of Bacteria with reference to Contagious and Virulent Diseases . 89 

 Dispersion of Bacteria and their Entrance into the Animal Organism . 94 



Infection of the Animal Organism ...... 98 



Disinfection ........ 100 



