378 CULTURE CHARACTERS 



Eeaction of media (Fuller's scale) -f_ or 



Gelatin plate: Grown 24 hours at C. 



Surface Colonies. (b) Deep Colonies. 



Sketches. 



48hoursat ......................... C. 6 days at 



C. 



Agar plate; Grown 24 hours at C. I Sketches. 



(a) Surface Colonies. 



(b) Deep Colonies. 



48 hours at C. 



6 days at *C. 



Special Media: (Such as litmus milk and blood serum/ 



