Bui. 51, Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate XVIII 



Fall Infestation and Destruction of Stalks. 



Fig. 76, A view of cotton .stalk loaded with infe.sted small bolls taken from field at time stalks 

 should have been destroyed; fig. 77, a view of field showing many infested small bolls, stalks 

 standing after they should have been destroyed; fig. 78, work of destroying stalks, forming 

 windrows for burning (original). 



