EXERCISE LXXVIII. MICROCOCCUS AUREUS (Rosenbach) Mig. 



STAPHYLOCOCCUS PYOGENES AURKUS ; GOLDEN PUS ooocus. 

 First described in 1884 by Eosenbach. It is the most common organism in pus. 80^. 



REFERENCES. Eosenbach: Mikroorganismen bei dem Wundinfektionskrankheiten des Mensohen. A. 260; H. 130; L. & K. 115; M. & 

 E. 160; M. & W. 121 ; McF. 184; P. 401 ; S. 265. 



PHYSIOLOGICAL CHARACTERS. 



i. Relation to temperature: 



2. Relation to free oxygen: 



3. Relation to other agents, such as: 



desiccation, light, disinfectants, etc: 



4. Pigment production:. 



5. Gas production in glucose media: 



a. Shake culture 



b. Fermentation tube, growth in: (i) open arm: 



(3) rate of development: 24 hours per cent., 48 hours. 



(4) reaction in open arm : 



6. Acid or alkali production, litmus milk 



7. Reduction of nitrates; to nitrites 



8. Indol production; 24 hours 48 hours 



fecal odor; 24 hours ,48 hours 



9. Enzyme production : proteolytic 



. . ..(2) closed arm: 



per cent., 72 hours per cent hours 



...(5) gas formula, H : CO, : : : 



per cent. 



, to ammonia. 



. days 

 days . 



diastatic 



10. Characteristic odor 



11. Pathogenesis 



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