PUS coccus GROUP— Continued. 



149 



Micrococcus pyogenes var. aureus (Eosenbach) L. & N. 



Synonyms. Staphylococcus pyogenes aureus Rosenbach ; Golden 

 pus coccus. 



Explanatory. First described in 1884 by Rosenbach. It is the 

 most common organism in pus— 80%. 



References. Rosenbach, Mikroorganismen bei dem Wundin- 

 fectionskrankheiten des Menschen, 1884 ; A. 270 ; C. 89 ; Fl. 2, 96 ; 

 H. 162; K. & W. III. 105; L. & N. 180; Mig. 2, 135; M. & R. 182; 

 McF. 256 ; P. 461. 



MOEPHOLOGICAL CHAEA.CTEES : 



Sketches. 



Form and arrangement: 

 a. Bouillon 



6. Agar . 



V. 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. . . 



b. Plagella stain 



5. Spores: 



6. Special characters: 



w. Capsules 



6. Involution forms 



V. Deposits or vacuoles.. 

 d. Pleomorphism 



