146 CULTURE CHARACTERS 



Eeaction of media (Puller's scale) -|_ 



or 



Gelatin plate: Grown 24 hours at C. 



a) Surface Colonies. 



(b) Deep Colonies. 



Sketches. 



48 hours at C. 



6 days at C. 



Agar plate: Grown 24 hours at C. 



Surface Colonies. (b) Deep Colonies. 



Sketches. 



48 hours at C. 



6 days at C. 



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



