118 CULTURE CHARACTERS 

 Reaction of media (Fuller '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. 



(a) Surf ace Colonies. 



Agar plate: Grown 24 hours at C. 



(b) Deep Colonies. 



Sketches. 



48 hours at C. 



6 days at *C. 



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



