N. of whole 



content pr-esenl 



in the Grain. 



July 4- 



Aug.1 



Fig. 



Curves showing the effect of Phosphoric Acid in hastening the formation 

 of Grain of Barley, and the Migration of Nitrogen to the Grain. 

 2 and 4 with Phosphoric AciJ. I and 3 without Phosphoric 

 Acid. 



[To face page 137 



