THE KINDS OF MICRO-ORGANISMS IN MILK 369 



Hunter and Bushnell think that the fermentation of silage is 

 dependent upon the activity of lactobacilh. Hastings and Ham- 



y 





J}' ■ 



Fig. 175. — Bacillus bulgarious showing granules. 



«*** 





\ 



\ 



'\ 



\ 



% 



Fig. 176. — Bacillus bulgarious from cultures several days old. 



mer isolated lactobacilh 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 



