148 
/{iilldiii Wisconsin Xntiiial Histori/ ^SocictiJ. 
[ Vol. o,No. 3. 
watchini^'. At 2 : 3 :oo it rapidly opened the nest and entered, 
remainini^ till 2: 10:00, when she eanie ont again and closed the 
entrance. She was then canght. 
July 1 8th. The nest was excavated this morning. It ran 
northeast (jne and one-half inches, down and southeast l)y south 
two inches, east one inch to cell. 
The galler}- was regularly round, with smooth inner surface, 
the entrance heing about the same size as the p^.ssage. 
CkIvI, t. Was regularly oval, as shown in the drawing, its 
length being about i cm., and greatest diameter 0.7 cm. Con- 
tained 9 leaf hoppers. The egg was on the thorax slightly below 
and parallel to the edge of the left wing, beginning at the neck. 
( )n the floor of the cell, about one-third from the entrance, 
another egg was found unattached. Tn shape it was similar to 
the wasp egg, but smaller and the surface less shining; slightly 
curved. 
Ckll 2. Eight hoppers, irregularly round and partially 
back of the stone. The egg was placed in a position on the hopper 
like that in the other cell. 
NEST No. 4. 
