Bui. 77, Bureau of Eirtomology, U. S. Dept. of Agriculture. 



Plate VII. 



Shelter Conditions, Dallas, Tex., Cage. 



FiK. 1.— Active weevils trying to escape tlirough wire on October 20, 1906. Fig. '2.— Section 1, in 

 wliicli weevils were placed October 18, lyOd, 2.61 per cent surviving. Fig. 3. — Section -J. started 

 October 16, 1906, 4.07 per cent surviving. (Original.) 



