44 Some Solitary Wasps of Texas. 



which she slips into it on her return. Only once did abdominale 

 hesitate a little, flying around the nest in a zig-zag manner, before 

 leaving. The work on the nest was continued for at least three 

 days, since two days were spent in storing alone, I failed to trace 

 this nest, belonging to No. 67, but succeeded in tracing that of No. 

 70, This went in nearly horizontally for two and a half inches 

 and then down nearly vertically for four inches with a uniform 

 diameter of two mm. The tunnel had a small pocket at the bottom 

 containing a number of leaf -hoppers, but no eggs. 



