188 Culture Characters 



Eeaction of media (Fuller 's scale) -|- or ^ 



Gelatin plate: Growu 24 hours at °C. 



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



Sketches. 



lb hours at °C. 



6 days at "C. 



Agar plate: Grown 24 hours at °C. 



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



Sketches. 



Special Media: (Such as litmus milk and blood serum.) 



