264 Culture Chaeagters 



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



Gelatin plate: Grown 24 hours at °C. 



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



Sketches, 



Agar plate: Growu 2i hours at 



(a) Surface Colonies 



(b) Deep Colonies. 



Sketches. 



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



