PLATE 18. 





Bacillus tuberculosis. Film preparation from glycerine glucose, agar culture. Four months old 

 2 months at 37 C., and 2 months at 20 C. Stained with carbol fuchsin. x 1000. 



?^5fft 



Bacillus tuberculosis, in Udder of Cow. Stained with carbol fuchsin and methylene blue. 



x 1000. 



[7o /ace pafire 204. 



