EXERCISE LXXVI. MICROCOCCUS PYOQENES (Rosenbach) Mig. 



STAPHYLOCOCOUS PYOQENES ALBUS; STAPHYLOCOOOUS EPIDERMIDIS ALBUS. 



First described by Rosenbach, in 1884. One of the common organisms found in pus. Occurs on the skin, in sputum, air, water, dust 

 and soil. 



REFERENCES. Rosenbach: Mikroorganismen bei dem Wundinfectionskrankheiten des Menschen. 1884. McF. 184; P. 470; S. 272. 



PHYSIOLOGICAL CHARACTERS. 



i. Relation to temperature : 



t. Relation to free oxygen: 



5. Relation to other agents, such as: 



desiccation, light, disinfectants, etc.: 

 4. Pigment production: 



}. Gas production in glucose media: 



a. Shake culture 



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



(3) rate of development: 24 hours percent., 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 



g. Enzyme production : proteolytic 



(a) closed arm: 

 per cent., 72 hours 

 (5) gas formula, H 



per cent ................ hours 



per cent. 



, to ammonia. 



. days, 

 days. 



. diastatic 



10. Characteristic odor. 



11. Pathogenesis 



[92] 



