.lp'«;MWK.--*««BI»*iVM1Pftl(f^=«»««»*»»«"»'' 



0" k...^ )^ 



V 



l: 



EDITORIAL COMMITTEE OF THE 

 UNITED pf^Tt'^i I^lARf^EfW d^ AND 



THE IlS^OCiA^IIM cAiu!^ AOl 



COLLEGES AND EXPERIMENT STATIONS 



fl^URAL 



FOR THE DEPARTMENT 



KARL F. KELLERMAN,XHAiRMAk 



Physiologist and Associate Chief, Bureau 

 of Plant IndusUtv 



EDWIN W.ALLEN 



Chief, Office of Experiment Stations 



CHARLES L.liiARtA'Ift' 



EntomoloQist and AssisimU C^,, Bureau 



FOR THE ASSOCIATION 



RAYMOND PEARL* 



Biologist, Maine Agricultural Experiment 



H. p. ARMSBY 



Dit^ftor, Institute of Animal Nutrition, The 

 Pennsylvania State College 



E. M. :^p:Efi^MAN'" 



Botanist, fla^ jPaShphgist ftnd^ssfstv!^ 

 Dean, Agricutiiiral Experiment Sta^pn of 



the University of Minnesota ■ -■ - ■ ■ 



All correspondence regarding articles from the Department of Agriculture should be 

 addressed to K^l JF, Kellerjpaii, Joiup^ pf Agri<;ultut4 Resmch, W^ 



*Dr. Pearl has undertaken special work in cpn^ectioii with ti|e war epj!?rgency; 

 the^ore, until further "notice all cbrre^hierice regarding articles from State Experi- 

 ment Stations should be addressed to H. P. Armsby, Institute of Animal Nutrition, 

 State College, Pa. 



