5. Fraenkel's Pneumococci in Pus from Empyema following 28 Pneumonia 6. Passive Hyperæmia of Hand and Forearm induced by Bier's 37 Bandage 7. Passive Hyperæmia of Finger induced by Klapp's Suction 38 Bell 8. Passive Hyperæmia induced by Klapp's Suction Bell for 39 Inflammation of Inguinal Gland 9. Diagram of various forms of Whitlow 56 10. Charts of Acute Sapræmia 61 11. Chart of Hectic Fever 62 12. Chart of Septicæmia followed by Pyæmia 63 13. Chart of Pyæmia following on Acute Osteomyelitis 65 14. Leg Ulcers associated with Varicose Veins 71 15. Perforating Ulcers of Sole of Foot 74 16. Bazin's Disease in a girl æt. 16 75 17. Syphilitic Ulcers in region of Knee 76 18. Callous Ulcer showing thickened edges 78 19. Tibia and Fibula, showing changes due to Chronic Ulcer of 80 Leg 20. Senile Gangrene of the Foot 89 21. Embolic Gangrene of Hand and Arm 92 22. Gangrene of Terminal Phalanx of Index-Finger 100 23. Cancrum Oris 103 24. Acute Bed Sores over right Buttock 104 25. Chart of Erysipelas occurring in a wound 108 26. Bacillus of Tetanus 113 27. Bacillus of Anthrax 120 28. Malignant Pustule third day after infection 122 29. Malignant Pustule fourteen days after infection 122 30. Colony of Actinomyces 126 31. Actinomycosis of Maxilla 128 32. Mycetoma, or Madura Foot 130 33. Tubercle bacilli 134 34. Tuberculous Abscess in Lumbar Region 141 35. Tuberculous Sinus injected through its opening in the 144 Forearm with Bismuth Paste 36. Spirochæte pallida 147 37. Spirochæta refrigerans from scraping of Vagina 148 38. Primary Lesion on Thumb, with Secondary Eruption on 154 Forearm 39. Syphilitic Rupia 159 40. Ulcerating Gumma of Lips 169 41. Ulceration in inherited Syphilis 170 42. Tertiary Syphilitic Ulceration in region of Knee and on 171 both Thumbs