PLATE 42. 



Bacillus vulgatus. Migula. (B. mesentericus vulgatus 



Fliigge. Potato Bacillus.) 



I. Gelatin stab culture, ten days at 22°. 

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



III. Agar stab culture, six days at 22°. Surface growth. 



IV. Agar plate, six days at 22°. Natural size. 



V. Agar -plate, six days at 22°. X 60. Deep colonies. 

 VI. Agar plate, six days at 22°. X 60. Superficial 

 colony. 



VII. Gelatin plate, eight days at 22°. Natiiral size. 

 VIII. Gelatin plate, eight days at 22°. X 60. Part of a 

 superficial colony. 



IX. Gelatin plate, eight days at 22°. X 150. Part of a 

 superficial colony. 



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

 XL Microscopic preparation. Pure culture from agar, 

 one day old. X 800. Stained with fuchsin. 



XII. Bacilli with numerous flagella. X 1000. Stained 

 according to Loffler. 



