Bui. 926, U. S. Dept. of Agriculture. 



Plate I. 



Fig. I.— Showing Position of Egg 

 Punctures on Sea-Island Cotton. 



Fig. 2.— Showing Position of Egg 

 Punctures on Upland Cotton. 



Fig. 3.— The Difference in Structure between Sea-Island Cotton Bolls 

 (above) and upland cotton bolls (below). 



THE BOLL WEEVIL ON SEA-ISLAND AND UPLAND COTTONS. 



