Vol. XIII APRIL 15, 1918 No. 3 



JOURNAL OF 



AGRICULTURAL 

 RESEARCH 



CONXKNXS 



Pag« 



Overwintefring of the House Fly - - - - - 149 



R. H. HUTCHISON 



( Contribution from Bureau of Entomology ) 



Soil Acidity as Influenced by Green Manures - - 171 



J. W. WHITE 



(ContriUotion trom Pennsylvania Agricultural Experiment Station ) 



A Leafblight of Kalmia latifolia ----- 199 



ELLA M. A. EWLOWS 



( Contribution bom Bureau o( Plant Induatiy ) 



PUBUSHED BT AUTHORITY OF THE SECRETARY OF AGRICULTURE. 



WITH THE COOPERATION OF THE ASSOCLITION OF AMERICAN 



AGRICULTURAL COLLEGES AND EXPERIMENT STATIONS 



AVASMIKOXON, 13. C. 



WA8HIN0T0M : CCVEHNMENT PRINTINO OFFtOE : I»l« 



