r ..-*>* * 



v 



1 



Fl(;> 78.* B. of Bubonic Plague. Cover-glass specimen from 

 spleen of inoculated mouse. Methylene blue. X 1000. 



Fin. 7l. B. of Broncho-Pneumonia Bovis. Ovoid bacteria. Section 

 of lung of American ox. Weigert's method. X 1000. 



I am indebted to Dr G. W. Nuttall, Berlin, for the specimen from which 

 this photograph was taken. 



[T. BowMll> F.R.C.V.S., Photo., Edinburgh, 1898. 



