90 LOCALIZED INFECTIONS OF PUS NATURE 



This shape and envelope are quite characteristic, and 

 almost determinative. The coccus grows very slightly 



FIG. 29 



Pneumococcus from bouillon culture, resembling streptococcus. (Park.) 

 FIG. 30 



Pneumococci in peritoneal pus. Stained with fuchsin. X 1000 diameters 

 Clear spaces indicate capsules. (Park.) 



on ordinary culture media, but best when blood or 

 blood coloring matter is added. It then produces a 



