366 CuLTUEE Chaeactees 



Reaction of media (Fuller 's scale) -\- or — 



Gelatin plate: Grown 21 hours at °G. 



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



Sketches. 



48 hours at °C. 



6 days at 'C. 



(a) Surface Colonies. 



Agar plate: Grown 21 hours at °C. 



(b) Deep Colonies. 



Sketches. 



48 hours at °C. 



6 days at °C. 



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



