ARMY MEDICAL MUSEUM. 



; . 



A.Iloen&Co.ch;roinoJith. Baltimore. 



N95. PORTION OF THE EXUDATION IN THE PERICARDIUM, 

 showing pus cells. From a Cow dead of Epidemic Pleuro pneumonia. 



Magnified 400 diameters. Photographed by Hie Caldum light ByBrt.Lt.Col. J. J .Woodward Ass\ .Surgeon U.S.Antiy: 



