Bui, 123, Bureau of Eirtomology, U. S. Dept. of Agricultur 
Plate XXIII. 
Fig. 1.— Beet Fields Separated By Strip of Alfalfa. (Original.) 
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Fig. 2.— Field of Alfalfa Adjoining Field of Sugar Beets. (Original.) 
CONDITIONS FAVORING THE SUGAR-BEET WIREWORM. 
