STKoNG and TKAlil'K: I'NKLMONir I'LAGUK.] 



H'liiL. JoiRN. Sil.. VII. B. No. 3. 



Fig. 1. Lung of guinea pig which died of advanced plague infection, after being exposed to air 

 In which plague bacilli were suspended by means of spraying. 



rig. 2. Lung of monkey which died of pneumonic-plague infection from inhalation; lobular 



pneumonia. 



fig. 3. Lung of monkey which died of pneumonic-plague infection from inhalation, showing 

 progression of lesions: lobular and lobar pneumonia. 



PLATE VII 



