MICROSCOPIC METHODS 



85 



Important Characteristics trhich xhould be Noted in the 

 Study of a Bacterium. The accompanying chart gives the most 

 important points to be investigated. With some varieties the cultural 



At ; robe 



Growth at 37 



:I;..\. Growth 



Glucose 



Growth in 



clo-rd arm 



Odor 



Chromogenic 



liacillu? 



O>;vus 



Threads or 

 Chains 



I I 



Gram. 



Nitrate Reduc. 



Indol 



Pathogeuicity 



Sediment 



Lique- 

 faction 



Surtao- 



Agglutination 

 characteristics 



Bactericidal 

 proi" 



Soluble 



toxins 



Color 



Coairulat' 



id 





Type of card used in studying characteristics of bacteria. 



characteristics are of the greatest importance, while with others it is 

 the study of pathogenic or toxic effects. 



