Explanation of Plate 22. 



BACTERIUM PUTIDUM (Miigge) Lehm. and Neum. 

 (Bacterium fluorescens non-liquef aciens Autor. ) 



I. Gelatin stick culture, three days at 22. 

 II. Gelatin plate, twenty -four hours at 22. X90. 



Deep-seated colony. 

 III. Gelatin plate, twenty -four hours at 22. x90. 



Superficial colony. VidePl. 13, VIII. ; PL 15, 



III. 

 IV. Gelatin plate, four days at 22. Natural size. 



Appearance of colonies upon a dark background. 

 V. Potato culture, four days at 22. Natural size. 



Vide PI. 14, IX. 

 VI. Microscopical preparation. Pure culture from 



gelatin plate, x 800. Ordinarily threads are 



formed on agar. 

 VII. Agar plate, eight days at 22. Natural size. 



Appearance of the colony on a white back- 

 ground. 



VIII. Agar plate, three days at 22. x60. 

 IX. Bacteria with one flagellum, more rarely two fla- 



gella. X 1,000. Stained according to Loffler's 



method. 



IX. 



