PLATE 41. 

 Bacillus megatherium. De Bary. 



I. Gelatin stab culture, twenty-four hours at 22°. 

 II. Agar streak culture, three days at 22°. 



III. Gelatin plate, thirty-six hours at 22°. Natural 

 size. 



IV. Gelatin plate, thirty-six hours at 22°. X 60. 

 Deep colony. 



V. Gelatin plate, thirty-six hours at 22°. X 60. Su- 

 perficial colony. 



VI. Agar plate, four days at 22°. Natural size. 

 VII. Agar plate, one day at 22°. X 60. To the right, 

 superficial ; to the left, deep colonies. 



VIII. Agar plate, four days at 22°. X 60. To the right, 

 deep; to the left, superficial colonies. 



IX. Potato culture, five days at 22°. Natural size. 

 X. Microscopic preparation. Pure culture on agar. 

 X 800. 



XI. Bacilli with numerous flagella. X 1000. Stained 

 according to Loffler. 



