Explanation of Plate 19. 



BACTERIUM MALLEI. Lofner. 

 (Glanders.) 



I. Gelatin stick culture, six days at 22. 

 II. Agar streak culture, six days at 37. The mid- 

 dle white line is not always so pronounced. 



III. Agar stick culture, three days at 37. Puncture 



canal. 



IV. Agar stick culture, three days at 37. Surface. 

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



VI. Gelatin plate, four days at 22. x60. Upper 



colony superficial, lower colonies deep seated. 

 VII. Agar plate, two days at 22. x60. Upper col- 

 ony superficial, lower colonies deep seated. 

 VIII. Microscopical preparation. Pure culture. x800. 



Fuchsin stain. 



IX. Potato culture, two days at 37. 

 X. Potato culture, twenty days at 37. 

 XI. Individual bacteria. Highly magnified. In some 

 places the staining fluid is absorbed poorly or 

 not at all. 



XL 



19 



