Strong and 'J'KAui'ii: I'neimhnu: I'lauii:. ) 



iriiiL. Joi UN. Sii., VII. U. No. 3. 



Fig. 1. Lung of dog with pneumonic plague. 



Fig. 2. Liver of tarbagan i Arctoinua hulxu- Schri.1). ), showing chronic plague infection. 



PLATE XII. 



