#'. 



S. aureus, normal cells. Prepared by 

 Foster and Woodruff 



*^ » 



« 



S. aureus, penicillin-inhibited cells. 

 Prepared by Foster and Woodruff 



^ 



y/ / 



/ 



B. subt'iUsy normal cells. Prepared 

 by Foster and Woodruff 



//z. vinelafu/iiy normal cells. 

 Prepared by Starkey 



B. suhtilisy penicillin-inhibited cells. 

 Prepared by Foster and Woodruff 



/Iz. vhu'landlty actinomycin-inhibited 

 cells. Prepared by Starkey 



Figure 27. Influence of antibiotic substances upon the morphology of bactc 



