B Bureau of Enl S. Dept of Agriculture. 



Plate VII. 



,* * 



Shelter Conditions, Dallas, Tex., Cage. 



Pig. l.— Active weevils trying to escape through wire on October20, 1906. Fi.L, r . 2.— Section l. in 

 which weevils were placed O tober 13, L906, 2.61 per ceni surviving. Fig. 3.— Section i. started 

 October 16, 1906, 1.07 per cent surviving. (Original.) 



