CHEMICAL COMPOSITION OF RESIDUAL SOILS 33 



Table II. Complete Chemical Composition of Rock and 

 Residual Soils, continued. 



as given by Merrill, is shown in Table II, numbers I to 

 VIII. Numbers I and II represent a gray foliated 

 granite from the District of Columbia, the soil of which 

 is very sandy. By reference to Column II of Table III, 



