DAIRY BACTERIOLOGY 



FIG. 14. The Bacterium of " Long Milk/' Slimy Stage, x 1,000. 



FIG. 15. The Bacterium of " Long Milk/' Milk less slimy, but beginning to 

 go thick owing to acid formation, x 1,000. 



quantities that it is unnecessary to add them specially to the 

 nutrient media if ordinary tap water is used. Chlorine and 



