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this mode of infection has been duly verified, and with certain improvements, 

 including the employment of home-bred insects and the proper adjustment 

 of the number of these necessary to secure visible pathogenic effects, it will 

 be found to constitute the only method which may be safely used, upon a 

 large scale, for the purpose of conferring immunity. 



I certainly do not claim for my experimental results, obtained under 

 difficulties and with considerable personal inconvenience, the significance 

 and conclusiveness of the experiments so admirably carried out by the 

 Military Commission at Camp Lazear; but, after the preceding 

 explanations, every reader must admit that my method of inoculation has, 

 so far, not been investigated by that commission, and that they are, 

 therefore, in no position to pass judgment upon its merits before having 

 done so. 



160 Campanario Street. 



