112 



Summary of laboratory work with anthrax: 

 From guinea-pig : 

 Gelatine plates, 



Colonies Impression preparations. 



Stich cultures Hanging-drop and permanent 



mounts. 



Agar streak cultures Hanging-drop and perma- 

 nent mounts. 

 Ca (OH)2-agar streak cultures Hanging-drop 



and permanent mounts. 



Bouillon hanging-drop of blood threads perma- 

 nent mounts. 

 Streak preparations. 

 Simple stain. 

 Gram's stain. 



From frog phagocytes, simple and Gram's stain. 

 Spores simple and double stain. 



