184 Culture Characters 



Eeaction of media (Fuller's scale) _j_ 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. 



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



