EXERCISE LX1V. BACILLUS VULQARIS (Hauser) Migula. 



PROTEUS VULGARIS. 



GENERAL CONSIDERATIONS. Described by Hauser in 1885 as Proteus vulgaris (Ueber Faulnis Bakterien). It is widely distributed 

 and is commonly found in putrefactive substances. It is one of several related species included under the old name of "Bacterium 

 termo." While in small doses and under ordinary conditions it is harmless, at times and in large doses it may be pathogenic. 



REFERENCES. Lafar 194-199. 



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 



*. Fermentation tube, growth in: (r) 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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