EXERCISE XCIV. BACILLUS ICTEROIDES Sanarelli. 



First described in 1807 by Sanarelli, and claimed by him to be the cause of yellow fever. 

 REFERENCES. H. 369; M. & R. 453; McF. 400; P. 609. 



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 



A. 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 



9. Enzyme production : proteolytic 



. ..(2) closed arm: 



per cent., 72 hours per cent., 



--(5) gas formula, H : COj : : 



hours... 



per cent. 



, to ammonia. 



. days 

 . days . 



diastatic 



10. Characteristic odor. . 



11. Pathogenesis 



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