ORIENTAL PLAGUE 



PAOB 



21. From a section through the Lung of a Guinea-pig dead of 



Subacute Plague ...... 20-21 



22. From a section through the hardened Spleen . . .24-25 



23. One of the Bacillary masses of the previous Figure . . 24-25 



24. One of the Bacillary (dark) masses of a Necrotic Nodule . 24-25 



25. Film specimen of Peritoneal Exudation . . .24-25 



26. Stained Film of the Peritoneal Exudation . . .24-25 



27. Stained Film specimen of the Bubo Fluid . . . 28-29 



28. Young Colonies of B. pestis on the Surface of a Gelatine Plate 28-29 



29. Young Colonies of B. pestis on the Surface of an Agar Plate . 28-29 



30. Characteristic Colonies of B. pestis on Agar . . . 28-29 



31. Streak Culture of B. pestis on Gelatine . . . 32-33 



32. Stab Culture of B. pestis in Gelatine . . . .32-33 



33. The deeper part of the Stab of previous Figure magnified . 32-33 



34. Colonies of Plague Bacilli on Gelatine after some days' 



Incubation ...... 32-33 



35. Colonies of Plague Bacilli on Gelatine after some days' 



Incubation ...... 36-37 



36. Colonies of B. pestis on Gelatine after many weeks' Incubation 36-37 



37. Same Colonies as in previous Figure, more magnified . . 36-37 



38. Film specimen of the growth of B. pestis from Agar Culture, 



twenty-four hours' Incubation. Virulent human type 1 . 36-37 



39. Film specimen from a recent Agar Culture of the attenuated 



B. pestis (rat type or type 2) . . . . 42-43 



40. Stained impression of a young Colony of B. pestis (virulent type) 42-43 



41. Stained impression of an Atypical Colony — Filamentous Bacilli 42-43 



42. Impression of a number of young Colonies of B. pestis on the 



surface of Gelatine ..... 42-43 



43. Stained impression of a recent Colony of B. pestis on Gelatine . 46-47 

 44 and 45. Two Ghee Broth Cultures of B. pestis . . 46-47 



46. Bacterium Bristolense. — Growth on Potato . . . 46-47 



47. Bacterium Bristolense. — Peritoneal Exudation of a Rat dead after 



Subcutaneous Injection with Culture . . .52-53 



48. Bacteriwn Bristolense. — Film specimen of the Spleen Juice of a 



Guinea-pig ...... 52-53 



49. Bacterium Bristolense. — Stained Film specimen of the swollen 



Inguinal Lymph Gland ..... 52-53 



