Bacillus Pyocyaneus 



269 



Fig. 77. Streptococcus erysipelatis, seen in a section of human skin. 

 X 500 (Frankel and Pfeiffer). 



Fig. 78. Bacillus pyocyaneus, from an agar-agar culture. X 1000 

 (Itzerott and Niemann). 



