SUPPURATION. 219 



Fig. 45. 



C 



A- 





Preparation from pus, showing pus-cells, A, and staphylococci, C. 



way do the two preparations differ the one from the 

 other?) 



After twenty-four hours in the incubator the plates 

 will be seen to be studded here and there with yellow or 



Fig. 46. 







V//i 



Pus of gonorrhoea, showing diplococci in the bodies of the pus-eells. 



orange-colored colonies, which are usually round, moist, 

 and glistening in their naked-eye appearances. When 

 located in the depths of the medium they are commonly 



