ANAEROBIC CULTURE 97 



which the writers have found most useful in anaerobic research, 

 but various modifications of these will naturally occur to the 

 individual worker. The catalogues of the various English and 

 Continental furnishers of bacteriological apparatus contain illustra- 

 tions of various forms of flasks for the cultivation of anaerobic 

 organisms, the use of which will at once be apparent to those who 

 make a study of the subject, and are conversant with the general 

 principles underlying the methods described above. 



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