Xll] PATHOGENIC BACILLI : GROUP C 259 



commenced, and where the history showed that the pneu- 

 monia was to be regarded as a part of the disease and not 

 as a secondary complication. 



The result then of these examinations confirms fully the 

 assertions of Pfeiffer, viz., that the characteristic influenza 

 bacilli are constantly present in the bronchial sputum of 



Fig. 97. — Film Sj'ecimem of Pulhionary Expectoration of an Acute Ca^^e 

 OF Influenza Pneumonia; Nuclei of Leucocytes and the Influenza 

 Bacilli in Pure Condition. 



influenza cases ; that in well-marked cases they occur in 

 great abundance, singly, in small groups, and in larger 

 masses, and in some portions of the sputum almost as a 

 pure culture. The results also go to confirm Pfeiffer's 

 statement that as the disease abates, as the patients get 

 better and as the sputum becomes scantier, the number of 

 the bacilli also rapidly diminishes ; this was the case in the 



S 2 



