Explanation of Plate 18. 



BACTERIUM SEPTICAEMIA H^MORRHAGIOE. Htippe. 

 (Fowl cholera, rabbit septicaemia, etc.) 



I. Gelatin stick culture, seven days at 22. 



II. Agar streak culture, seven days at 22. 



III. Agar plate, five days at 22. Natural size. 



IV. Agar plate, five days at 22. x60. Superficial 



colony. Vide PI. 17, VI. ; 14, VII. ; 13, VI. 

 V. Agar plate, five days at 22. x60. Deep-seated 



colonies. 



VI. Gelatin plate, five days at 22. Natural size. 

 VII. Gelatin plate, five days at 22. x90. Deep-seated 



colonies. 



VIII. Gelatin plate, five days at 22. x 90. Superficial 

 colony. Vide PL 17, I.; PL 16, IV., VIII. 5 

 PL 15, IV., III., VII. ; PL 13, VIII. 

 IX. Microscopical preparation, x 1,000. Pure culture 



from an agar plate. 



X. Individual bacteria. Highly magnified. Sche- 

 matic. 



91*9 



18 



