256 
Bulletin Wisconsin Natural History Society. [Vol. 5, No. 4. 
A to B = 1.8 cm. 
B to c = 2 cm. 
B to I) = 1 cm. 
A to F = 5 cm. 
A to E = 4 cm. 
Gallery h = 0.4 cm. in diam. ; open. 
Gallery g = 0.3 cm. in diam. ; packed. 
Cell 1 a cocoon. 
Cell 2 1.1x0.7 cm. Empty. 
Galleries and cells were practically on 
the same horizontal plane, the entrance being" 
in a crack in the log. All the g-alleries were 
packed with sawdust. 
Cell 1 1.2x0.7 cm. ; contained a cocoon. 
Cell 2 very irregular in shape ; contents 
mildewed. 
Cell 3 1.3x0.6 cm. ; regularly oval ; con- 
tained a cocoon. 
Cell .) 1.2x0.6 cm. ; regularly oval ; con- 
tained a cocoon. 
Nest No. 8. 
SURFACE VIEW. 
All the cells and galleries on practically 
the same vertical plane. All galleries packed 
with sawdust. 
A to B = 2.7 cm. 
A to E = 3.7 cm. 
F to G = 1.2 cm. 
regularly oval ; 3 hoppers ; 
entrance 0.3 cm. in diam. 
1.1x0.5 cm. ; regularly oval ; 4 hoppers. 
1.1x0.6 cm. ; one side considerably flat- 
ter than the other ; 4 hoppers ; egg on 
right thorax along the edge of the 
wing ; contents beginning to mildew. 
A to D = 1.5 cm. 
A to c = 3.8 cm. 
A to H = 7.0 cm. 
Cell 1 1.1x0.7 cm. : 
Cell 2 
Cell 3 
