ILLUSTRATIONS. 



PLATES. 



Bacteria, fungi and protozoa Frontispiece 



Tuberculous bovine heart II 



Tuberculous and healthy spleens, pig III 



Tuberculosis of lung, pig I^ 



Fungus associated with leeches V 



Aspergillar pneumonia ^T 



Map showing Texas fever line VII 



Diphtheria in pigeons ^ HI 



FIGURES IX TEXT. 



PAGE 



1. Streptococcus of mastitis i6 



2. Section of cow's udder I7 



3. Abscess in partially immunized rabbit 23 



4. Morphology of streptococcus 28 



5. Bacterium of swine plague 4^ 



6. Lung with interlobular lymph infiltration 53 



7. Lung showing emphysema in interlobular spaces 54 



8. Right lung of pig showing areas alTected with swine plague... 55 



9. Portion of lung showing hemorrhagic interlobular infiltration . 58 



10. Anthrax bacteria from an impression preparation 83 



11. Bacteriinii anthracis 84 



12. Cover-glass preparation from anthrax blood 85 



13. Bacieriicm saiiguinarium 99 



14. Bacterium sanguinarium in the liver 99 



15. Temperature chart of fowl affected with leukaemia 100 



16. Diseased blood in infectious leukaemia 102 



17. Congested liver in infectious leukaemia 103 



18. Phagocytic action of leucocytes on the red blood corpuscles.. 104 



19. Bacterium of swine erysipelas 108 



20. Bacteriut)i mallei nS 



21. Xasal septum, glanders 118 



22. Farcy, cutaneous glanders 120 



23. Bacterium tuberculosis 131 



24. Lymph glands on side of cow's head 137 



25 Dorsal aspect of bovine lungs 138 



26. Bovine tracheal and bronchial lymph glands 139 



27. Posterior mediastinal glands 140 



28. Suppurating tubercular focus, cow's lung — 141 



29. Tuberculous omentum, cow. 142 



