THE PHYSICAL 

 PROPERTIES OF SOE^ 



A LABORATORY GUIDE 



By 

 ARTHUR G. McCALL 



Professor of Agronomy in the College of Agriculture of the 



Ohio State University 



ILLUSTRA TED 







J ' 1 J 1 ) ) 



NEW YORK 



ORANGE JUDD COMPANY 



LONDON 

 KEGAN PAUL, TRENCH, TRUBNER &C0., Limited 



1909 



