390 Culture Ceaeactees 



Keaetion of media (Fuller 's scale) _^ or 



Gelatin plate: Grown 24 hours at °C. 



(a) Surface Colonies. i (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 "G. 



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



