PLATE VI r. 







Fig. 1. Note perfect foliage due to clean cultivation through- 

 out the year of 1917. This held is adjacent to field 

 shown in Plate III. The pictures were made on the 

 same dale, .lanuary 8, 191(S. Note also method of hank- 

 ing. 



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Fig. 2. Characteristic appearance of foliage infested with 

 White Fly. 



