Bui. 50, Bureau of Entomology, U. S. Dept. of Agricultur 
Plate IV. 
A^im^'^^^^am^: 
pmw';ivm, 
Fig. 1.— Field of Young Corn at Paris, Tex., at About the Age in the Spring 
WHEN it Becomes Attractive to Moths for Oviposition (Original). 
Fig. 2.— a Number of Bollworm Eggs on a Piece of Black Paper, Enlarged 
About Seven Times (Original). 
