PLATE 18. 



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Bacillus tiibercvlosls. Film iireparation from i,'lyceriiie glucose, agar culture. Puur montlis old- 

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





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Bacnius lubn-culosis, in Udder of Cuw. Stained with carbol fuchsin and metliylene blue. 



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[lo face I'oge 204 



