253 Culture Characters 



Eeaetion of media (Fuller's scale) -j- or 



Gelatin plate: Grown 24 hours at ''C 



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



Sketches. 



Agar plate: Grown 24 hours at °C. 



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



Sketches. 



48 hours at °C. 



6 days at °C. 



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



