PLATE 24. 



Bacterium pyocyaneum (Fliigge). Lehm. and Neum. 



(Green Pus.) 



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

 II. Agar streak culture, two days at 37°. 



III. Gelatin plate, two days at 22°. X 60. Colonies 

 located deeply and just below the surface, in young and 

 older stages. 



IV. Gelatin plate, five days at 22°. X 60. Part of a 

 superficial colony. 



V. Gelatin plate, two days at 22°. Natural size. 

 VI. Agar plate, two days at 37°. Natural size. 

 VII. Agar plate, two days at 37°. X 60. Above, 

 superficial ; below, deep colonies. 



VIII. Potato culture, three days at 37°. Natural size. 

 IX. Microscopic preparation. Pure culture from agar 

 plate. X 800. 



X. Bacteria with one, more rarely two polar flagella. 

 X 1000. Stained according to Loffler. 



X. 



