14 CONSIDERATIONS INFLUENCING CLASSIFICATION 



with the principles of the Bacteriological Code of Nomenclature, and it should 

 tend to stabilize the nomenclature of this group. 



In closing this discussion of the revised classification, it should again be em- 

 phasized that it has been developed as a result of a study of the ideas which 

 previous workers have expressed in preparing the outlines that they have sug- 

 gested. Previous workers have laid what appears, with our present knowledge, 

 to be a satisfactory foundation on which to build. The introduction of new ideas 

 has come about largely as a result of continuous study of the literature and 

 conferences with our colleagues, including the specialists who have contributed 

 and are contributing so much to the knowledge that has accumulated in past 

 years. A generous share of the credit for the things that constitute a real advance 

 in our knowledge should go to these specialists. Where the classification here 

 presented has defects, it is to be hoped that they will be discovered promptly 

 and eliminated. 



