PLATE I 



Normal blood, camera lucida drawings, x 1200 



1. Red corpuscles and blood plates, horse, Jenner's stain. 



2. Red corpuscles and blood plate, cat, Wright's stain. 



3. Blood plates, cat, Wright's stain. 



4. Lymphocyte, horse, Wright's stain. 



5. Lymphocyte, cow, Wright's stain. 



6. Lymphocyte showing nucleolus, guinea pig, Wright's stain. 



7. Large mononuclear, horse, Jenner's stain. 



8. Large mononuclear, cow, Jenner's stain. 



9. Large mononuclear, cow, Jenner's stain. 



10. Large mononuclear, guinea pig, Jenner's stain. 



11. Large mononuclear showing degeneration, guinea pig, Jenner's stain. 



12. Polymorphonuclears, horse, Wright's stain. 



13. Polymorphonuclear, cow, Jenner's stain. 



14. Polymorphonuclear, cat, Wright's stain. 



15. Eosinophile, cow, Jenner's stain. 



16. Eosinophile, horse, Jenner's stain. 



17. Eosinophile, cat, Wright's stain. 



18. Eosinophile ruptured, cat, Wright's stain. 



19. Mast cell, horse, Jenner's stain. 



20. Mast cell, cow, Jenner's stain. 



