VI] 



THE BACTERIA OF MILK 



73 



spores (Fig. 12, p. 74) small round or egg -shape 

 bodies which are formed inside the bacterium, which 



*; 



G \ 

 I 



'/x 



If 



FIG. 10. DIFFERENT FORMS OF MICRO-ORGANISMS. A, Micrococci (Frankland) ; 

 B, diplococci (Freudenreich) ; C, streptococci (Freudenreich) ; D, staphy- 

 lococci (Freudenreich) ; E, F, G, bacilli (Frankland) ; H, spirilla (Frank- 

 land) ; K, mould (penicillium glaucum, Freudenreich) ; L, yeast cells 

 (Frankland) ; M, comma bacilli (Frankland). 



in turn, under suitable conditions of heat and mois- 

 ture, develop into full-grown bacteria. Now in this 

 process of reproduction or development one or two 



