HEMOLYTIC STAPHYLOCOCCI 



21 



nonliquefied gelatin. The cultures were incubated at 20 C. for 21 days 

 unless the gelatin was entirely liquefied before that time, when the 

 liquefaction was estimated. 



TABLE 10 



SHOWING ACTION ON MILK 



TABLE 11 

 LIQUEFACTION OF GELATIN 



Manner of Liquefaction : Some time later the study of gelatin 

 liquefaction was extended by an observation of the manner of lique- 

 faction. Table 12 gives a graphic representation of the findings. Up 

 to the 10th day, let us say, there is a pseudodifferentiation of 2 types : 

 one type giving a saucer-shaped liquefaction and the second type giving 



