284 Physiological Characters 



1. Relation to tejipeeatuee : 



optimum °C ; limits to °C.; 



thermal death-point °C.; time of exposure minutes; 



medium in which exposure is made 



2. Eelation to free oxygen : 



3. Relation to other agents, such as . . . 

 desiccation, light, disinfectants, etc. ; 



' t. Pigment production: 



Gas tkoduction in sugar media: 



a. daxtrose (1) Shake culture: 



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



rate of development: 24 hours percent. 18 hours percent. 



72 hours per cent hours per cent. 



reaction in open arm 



g-as formula, H: CO2: : 



h. lactose c. saccharose. 



6. Acid or alkali production: 



litmus milk . 



7. Reduction op nitrates: 



to nitrites , to ammonia. . . 



8. Indol production 



48 hours days. 



9. Enzyme production: 



proteolytic 



digestion of gelatin digestion of casein. 



diastatic 



10. Characteeistio odor: 



11. Pathogenesis (or other special characters) :. 



