THE KINDS OF MICRO-ORGANISMS IN MILK 



369 



Hunter and Bushnell think that the fermentation of silage is 

 dependent upon the activity of lactobacilli. Hastings and Ham- 



Fig. 175. Bacillus bulgaricus showing granules. 



'"^^^B 



Fig. 176. Bacillus bulgaricus from cultures several days old. 



mer isolated lactobacilli from milk, butter, and cheese. El- 

 dredge and Rogers found them in large numbers in Emmenthaler 

 cheese; Evans, Hastings, and Hart, in Cheddar cheese; Esten and 



24 



