JOURNAL OF BACTERIOLOGY VOL. I 



PLATE 1 



Plain agar 



Lactose agar 



Milk "a." Dilution of 1/100 on plain and lactose agars. Incubated at 37°C. for 



forty-eight hours. 



Plain agar 



Lactose agar 



Milk "b." Dilution of 1/1000 on plain and lactose agars. Incubated at 37°C. for 



forty-eight hours. 



(Sherman: Advantages of a Carbohydrate Medium) 



