182 Physiological Characters 



L Relation to tempehatuke : 



optimum °C. ; limits to "C. ; 



thermal death-point '^C: time of exposure minutes; 



medium in which exposure is made 



2. Relation to fkee oxygen : 



3. Relation to othek agents, such as 



desiccation, light, disinfectants, etc : — . 



4. Pigment PKODnCTioN:, 



6. Gas production in sugar media: 



a. dextrose (1) Shake culture : 



(2) Fermentation tube, growth in open arm .closed arm 



rate of development: 24 hours percent., 48 hours percent. 



72 hours per cent hours per cent. 



reaction in open arm 



gas formula, H : CO2 : : : 



b. lactose c. saccharose 



6. Acid or alkali production : 



litmus milk 



7. Reduction or nitrates: 



to nitrites to ammonia. . . 



8. Indol production .' 



48 hours days . 



9. Bnztjie production; 



proteolytic 



digestion of gelatin digestion of casein - 



diastatic , 



10. Characteristic odor: 



11. Pathogenesis (or other special characters) : 



