II.I.USTRATIONS. 



PLATES. 



Bacteria, fungi and protozoa Frontispiece 



Tuberculous bovine heart H 



Tuberculous and healthy spleens, pig III 



Tuberculosis of lung, pig IV 



Fungus associated with leeches V 



Aspergillar pneumonia VI 



Map showing Texas fever line VII 



Diphtheria in pigeons VIII 



FIGURES IN TEXT. 



PAGE 



1. Streptococcus of mastitis i6 



2. Section of cow's udder 17 



3. Abscess in partially immunized rabbit 23 



4. Morphology of streptococcus 28 



5. Bacterium of swine plague 48 



6. Lung with interlobular lymph infiltration 53 



7. Lung showing emphj'sema in interlobular spaces 54 



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



9. Portion of lung showing hemorrhagic interlobular infiltration _ 58 



10. Anthrax bacteria from an impression preparation 83 



11. Bacterium anthracis 84 



12. Cover-glass preparation from antlirax blood 85 



13. Bacterium sanguinariuni 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 



iS. Phagocj'tic action of leucocytes on the red blood corpuscles.. 104 



19. Bacterium of swine erysipelas 108 



20. Bacterium mallei 115 



21. Nasal septum, glanders iiS 



22. Farcy, cutaneous glanders 120 



23. Bacterium tu/jerculosis 131 



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



25 Dorsal aspect of bovine lungs 13S 



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 



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