'W. 





PUBLISHED BY AUTHORITY OF THE SECRETARY^ 

 OF AGRICULTURE, WITH THE COOPERATION 

 OF THE ASSOCIATION OF AMERICAN AGRICUL- 

 TURAL COLLEGES AND EXPERIMENT STATIONS 



EDITORIAL COMMITTEE 



FOR THE DEPAKTMENT 



FOR THE ASSOCIATION 



KARIv F. KELLER]vL\N, Chairman RAYMOND PEARL 



Physiologist avA Assisl'ivt Chief, Bureau 

 o) PUm! Industry 



EDWIN W. AELEN 



ChicJ. Office of Ext'cnmrvi Sl-i/iOiis 



CHARLES L. :.L\RLATT 



As,!.da:!t Chief, Bureau of En'.omolojy 



Bi'-iloijiH, yfiiine Aaricttilural EsfrimeHt 

 U. P. A\^MSEY 



/ \,fc!!r, lr:^:i'ule cf A'>timal ShUritioJi, The 

 J\-,:p:y!:'an:a SlaU College 



K. :,I. FREEMAN 



Do 



P'.cnt I'niholo<jist, and AisislarU 

 \Qric'.i'n.ral Er.perintent Station of 

 'tf.rsity of Minn-esota 



I All correspondence regarding articles from the Department of Agriculture 

 i should be addressed to Karl F. Kellernian, Journal of Agricultural Research, 



Washington. D. C. 

 ; AH ct^rrtspondence. re;rarding articles from Experiment Stations should be 



idiJressfd to Raymond Pearl, Journal of Amcidtural Research, Orono, Maine. 



