278 CULTURE CHARACTERS 



Eeaction 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. 



Agar plate: Grown 24 hours at C. 



(a) Surf ace Colonies. (b) Deep Colonies. 



Sketches. 



48 hours at C. 



6 days at 'C. 



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



