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EDITORIAL COMMITTEE OF THE 



tTNTTED STATES DEPARTMENT OF AGRICULTURE AND 



THE ASSOCIATION OF AMERICAN AGRICULTURAL 



COLLEGES AND EXPERIMENT STATIONS 



FOR THB DEPAXTMSIVT 



KARL F. KELLERMAN, Chairman 



Physiologist and Associate Chief, Bureau 

 of Plant Industry 



EDWIN W. ALLEN 



Chief, Office of Experiment Stations 



CHARLES L. MARLATT 



EtUomolosist and A ssistont Chief, Bureau 

 of Entomology 



FOR THB ASSOCIATIOn 



J. G. LIPMAN 



Director, New Jersey A ffriculturcU ExperimetU 

 Station, Rutgers College 



W.A.RILEY 



Entomologist and Chief, Division of Ento- 

 mology and Econontic Zoology, Agricut-. 

 tural Experiment Station of the Unhersi^ 

 of Minuetota 



H. P. ARMSBY 



Director, Institute of Anitrud Nutriticm, The 

 Pennsylvania State College 



All cwrrcspondence regarding articles from the Department of Agriculture should be 

 addressed to Karl F. Kellerman, Journal of Agricultural Research, Washington, D. C. 



All correspondence regarding articles from State Experiment Statbns should be 

 addressed to J. G. Lipman, New Jersey Agricultural Experiment Station, New 

 Brunswick, N. J. • 



