■i 



CO 



STANDARDIZED DEHYDRATED MEDIA 



Prepared According to the Formulae of the 

 A. P. H. A. "Standard Methods" 1920 



Bacto-Nutrient Broth 



Bacto-Nutrient Gelatin 



Bacto-Nutrient Agar 1% 



Bacto-Dextrose Broth 



Bacto-Lactose Broth 



Bacto-Litmus Lactose Agar 



OTHER MEDIA IN GENERAL USE 



Bacto-Nutrient Agar 1.5% (Blood Culture) 



Bacto-Purple Lactose Agar 



Bacto-Endo's-Agar 



Bacto-Eosine Methylene Blue Agar 



Bacto-MacConkey's Agar 



Russell Double Sugar Agar 



Bacto-Lead Acetate Agar 

 Bacto- Starch Agar 

 Bacto-Lactosc Peptone Bile 

 Bacto-Lltmus Millc 

 Bacto-Purple MiUi 

 Bacto-Loeffler's Blood£Serum 



Krumwledc Triple Sugar Agar 



MEDIA FOR FERMENTATION STUDIES 



Andrade Dextrose Broth 

 Andrade Lactose Broth 

 Andrade Saccharose Broth 



Andrade Maltose Broth 

 Andrade Mannite Broth 

 Andrade Dextrose Agar 

 Andrade Lactose Agar 



Andrade Saccharose Agar 

 Andrade Maltose Agar 

 Andrade Mannite Agar 



Carried in slock by the principal dealers in scientific supplies 



Specify "DIFCO" 



The trade name of the Pioneers 

 In the research and development of Bacto Peptone and Dehydrated Culture Media. 



DIGESTIVE FERMENTS COMPANY 



DETROIT. MICHIGAN, U.S.A. 



