208 Culture Characters 



Reaction of media (Fuller's scale) -^ or — 



Gelatin plate: Grown 24 hours at °C. 



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



Sketches. 



Agar plate: Grown 21 hours at °C Sketches. 



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



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



