EXERCISE 75. ERYSIPELAS GROUP. 

 Streptococcus erysipelatos FEHLEISEN. 



HI 



SYNONYMS. Streptococcus pyogenes ROSENBACH ; streptococcus. 



EXPLANATORY. First described by Fehleisen. It is found in 

 abscesses, pyemia, puerperal fever and erysipelas. It is frequently 

 present in mixed or secondary infections, and occurs in the mouth 

 and sputum and on the mucous membranes of the nose, urethra, 

 vagina, etc. 



REFERENCES. Fehleisen, Aetiol. des Erysipels, Berlin 1883 ; 

 A. 279 ; C. 65 ; H. 165 ; K. & W. Ill, 303 ; L. & N. 135 ; Mig. 2, 6 ; 

 M. & R. 184 ; McF. 262 ; P. 476. 



MORPHOLOGICAL. CHARACTERS : 



SKETCHES. 



1. FORM AND ARRANGEMENT: 



a. Bouillon 



?> . Agar 



c. Gelatin 



d. Other media 



2. SIZE : 



3. STAINING POWERS: 



a. Aqueous gentian- violet 



6. Loeffler's methylen-blue 



c. Gram's stain 



d. Special stains 



4. MOTILITY : 



a. Character of movement 



6. Flagrella stain 



5. SPORES: 



6. SPECIAL CHARACTERS: , 



a. Capsules , 



6. Involution forms , 



c. Deposits or vacuoles 



d. Pleomorphism 



