12 



H. J. Sears 



20 



to 



o 



Sugar ^r9€Z*^ Pt^tann Solution Conitxin/n^ r^ertErrtrvC.-^ 

 CrrnQtinina. Oocomposi'h'on 



d>/>yoc/0/w US 



B. coli'CO'f'nijnts 



-^mrrtonfaf\fitroyn 



AOC OF CULTURE IN BAYS 



Chart 2. The key to this chart applies also to Charts 3, 4, and 5. 



