Streptococcus Erysipelatus 



305 



93- Streptococcus erysipelatis, seen in a section of human skin. 

 X 500 (Frankel and Pfeiffer). 



.;-7'^.lV 



J&*#lFj^ 



Fig. 94. Bacillus pyocyaneus, from an agar-agar culture. X 1000 

 (Itzerott and Niemann). 



20 



