142 CULTURE CHARACTERS 



Reaction of media (Fuller's scale) 4. or 



Gelatin plate: Grown 24 hours at C. 



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



Sketches. 



48 hours at C. 



6 days at 



Agar plate: Grown 24 hours at C. 



(a) Surf ace Colonies. : (b) Deep Colonies. 



Sketches. 



Special Media: (Sucb as liinaus milk and blood serum.) 



