Bui. 235, U. S. Dept. of Agriculture. 



Plate III. 



Fig. 1.— Pattern of the Inner Seal. (Original.) 



Fig. 2.— Method of Using the Inner Seal. (Original.) 



Fig. 3.— How the Packages Stood the Shipping Test. (Original.) 

 THE INNER SEAL: A SANITARY INSECT-PROOF PACKAGE, 



