PROC- US NAT. MUS. VOL. 123 



WOODRUFF AND CARTWRIGHT -PLATE 1 



Figures 1, 2. — 1, Large nest of Alia texana showing mound of excavated subsoil 

 at central area; 2, fungus garden made by ./. texana (roots often provide ■■< 

 for the gray spongy fungus growing on hits of vegetation supplied by the ants). 

 (Photos courtesy U.S. Forest Service.) 



