t>LATfi2f. 



Acid-fast bacillus from butter of Paris 



(Binot). 



Flask culture on glycerine-agar — 3 : months at 22° C. 



Single colony — actual size. 



Acid-fast bacillus from butter' of Vienna, 

 (Grassberger). 

 Flask culture on glycerine-agar— 3 months at 22° C. 

 • Single colony — actual size. 



.To face page 66i 



