3?4 Culture Chaeactees 



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



Gelatin plaie: Grown 24 hours at °C. 



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



Sketches. 



i8 hours at °C. 



6 days at 'C. 



Agar plate: Grown 24 hours at. 



(a) Surface Colonies. 



"0. 



(b) Deep Colonies. 



Sketches. 



48 hours at °C. 



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



