VOLUME 13, 1920 
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JOURNAL 
OF 
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ECONOMIC ENTOMOLOGY 
Official Organ American Association of Economic Entomologists 
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E. Porter Felt, Editor 
W. E. Britton, Associate Editor 
A. F. Burgess, Business Manager 
Advisory Committee 
S. A. Forbes 
V. L. Kellogg 
L. 
0. 
Howard 
W. J. Schoene 
P. J. Parrott 
E. 
L. 
Worsham 
Published by 
American Association of Economic Entomologists 
Concord, N. H, 
