EXERCISE LXXV. STREPTOCOCCUS PYOCJENES Rosenbach. 



First described by Rosenbach in 1884. 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. Rosenbach: Mikroorganismen bei den Wundinfectionskraukheiten des Menschen, 1884. A. 268; H. 133; L. & K. 117; 

 M. & R. 168; M. & W. 124; McF. 190; P. 476; S. 274. 



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 



t. 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 



[90] 



