Explanation of Plate 54. 



VIBRIO ALBENSIS. Lehm. and Neum. 

 (Fluorescent Elbe vibrio.) 



I. Gelatin stick culture, twenty -four hours at 22. 

 II. Gelatin stick culture, four days at 22. 



III. Gelatin stick culture, ten days at 22. 



IV. Indol reaction at end of ten days. Bouillon cul- 



ture treated with dilute sulphuric acid. 

 V. Gelatin plate, three days at 22. x 60. Super- 

 ficial colony. 

 VI. Gelatin plate, three days at 22. x 60. Deep 



colony. 

 VII. Gelatin plate, thirty-six hours at 22. Natural 



size. 



VIII. Microscopical preparation. Pure culture on agar, 

 forty-eight hours. Stained with fuchsia. 



54 



