Bui. 647, U. S. Dept of Agriculture. 
Plate 1. 
7 . 4 
f * ,': /.'-J** ^ ' --^ 
■ 
.; ^ - . ^ 
t *jr*&*' -^t^yj^J^^U^kSS^ 
n£3| 
■-.V-/ >•■:.— , .' :" 
Protective " Sheds " of the Argentine Ant. 
Surface shelter of soil particles constructed by the Argentine ant about a poison jar. (Original.) 
