226 MICRO-ORGANISMS AND DISEASE fCHAP. 



general infection, the microbes in question cause on subcu- 

 taneous injection, already in small doses (a few drops of a 

 recent broth culture), acute septicsemic infection ; the 

 blood contains copiously the microbe ; the lungs and liver, 

 and particularly the spleen, is hyper^raic and enlarged, 

 and full of the microbe. 





Fig. 78.— Film Specimen of Lung Juice in Middlesbrough Pneumonia 

 AMONGST Red Blood Discs, numerous Bacilli, 



To this group belong : — i. The bacillus that I found in 

 pure culture very copiously in the juice of the congested lungs 

 in an epidemic of fatal pneumonia that occurred in Middles- 

 brough (Dr. Ballard's Report to the M.O. of the Local 

 Government Board, 1889). 



