56 



Table XX. "fodidi numbers" determined on 100 cc. of hydrol- 

 ysate of Fargo clay loam, together with a comparison of similar frac- 

 tions taken from the Van Slyke analysis. 



Table XXI. "Jodidi numbers" determined on 200 cc. of hydrol- 

 ysate of Fargo silt loam, together with a comparison of similar frac- 

 tions taken from the Van Slyke analysis. 



Table XXII. "Jodidi numbers" determined on 100 cc. of hydrol- 

 ysate of Hempstead silt loam, together with a comparison of similar 

 fractions taken from the Van Slyke analysis. 



