Explanation of Plate 44. 



BACILLUS MESENTEBJCUS. Lehm. and Neum. 

 (Bacillus mesentericus fuscus Fltigge.) 



I. Gelatin stick culture, two days at 22. 

 II. Agar streak culture, three days at 22. 

 III. Potato culture, one day at 22. Natural size. 

 IV. Potato culture, five days at 22. Natural size. 

 V. Agar plate, two days at 22. Natural size. 

 VI. Agar stick culture, four days at 22. Surface. 

 VII. Agar plate, two days at 22. x60. Above, super- 

 ficial colony ; below, deep colony. 

 VIII. Gelatin plate, thirty-six hours at 22. x60. 



Deep colony. 

 IX. Gelatin plate, thirty-six hours at 22. x60. 



Superficial colony. 



X. Gelatin plate, two days at 22. Natural size. 

 XL Gelatin plate, one day at 22. x60. Eight side, 



deep colony ; left side, superficial. 



XII. Microscopical preparation. Pure culture from 

 agar, two days. x800. Fuchsin stain. A few 

 bacilli with spores. 



XIII. Bacilli with numerous flagella. x 1,000. Loft- 

 ier 7 s stain. 



XIII. 



44 



