254 
Bulletin Wisco7isin Natural History Society. [Vol. 5, No. 4. 
D- — 
Gallery a to c 0.4 cm. in diameter. 
B to D 4.5 cm. 
At E 0.8 cm. of packed saw- 
dust. 
Cell 1.2x0.6 cm ; irreg"ularly oval. 
Entrance 0.3 cm. 
4-leaf hoppers. 
Nest No. 1. 
A 
Gallery a to b extending- vertically. 0.4 
cm. in diameter ; b to c = 4 cm. 
horizontally. 
Cell regularly oval; 1.0x0.7 cm. En- 
trance 0.4 cm. Contained 2 hoppers. 
Nest No. 2. 
Gallery c to d = 5 cm. in a sweeping 
curve. c to B = 6 cm., also 
curved, b to a = 5 cm., almost 
straight, a to D in a straight 
line = 11 cm. 
Cell Egg-shaped as drawn; 1.3x0.7 cm. 
Entrance 0.4 cm. Contained 2 hop- 
pers. 
Nest No. 3. 
