154 CULTURE CHARACTERS 



Reaction of media (Fuller's scale) _j_ or 



Gelatin plate: Grown 24 hours at C. 



(a) Surface Colonies, (b) Deep Colonies. 



Sketches. 



48 hours at C. 



6 days at "C. 



Agar plate: Grown 24 hours at C. 



(a) Surface Colonies. (b) Deep Colonies. 



Sketches. 



48 hours at C. 6 days at 



Special Media: (Such as litmus milk and blood seruinj 



