Fig. 25. — Bacillus subtilis (No. 31). Beef agar, 2 days old. Types I and D formed 



by spores. 

 Fig. 26. — Bacillus subtilis (No. 31). Beef agar, 6 days old. Formation of type I. 

 Fig. 27. — Bacillus subtilis (No. 31). Beef agar, 8 days old. Type I forming H and 



stained D. Spores forming unstained type D. 

 Fig. 28. — Yellow bacillus (No. 41). Peptone-glycerin solution, 2 days old. Type I 



germinating from D, stretching to type L. 

 Fig. 29. — Bacterium ' ugaricum (No. 49). Whey-yeast agar, 6 days old at 40 C. 



Types C, D, E, F, G, I, and K. 

 Fig. 30. — Bacterium fluoresceins (No. 40). Ammonium-citrate-glycerin solution, 11 



days old. Types D and H. 



