142 Culture Chaeactees 



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



Gelatin plate: Grrowu 21 hours at °C. 



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



Sketches. 



Agar plate: Grown 24 hours at. 



(a) Surface Colonies. 



(b) Deep Colonies. 



Sketches. 



48 hours at °C. 



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



