88 INSECT ARCHITECTURE. 



which penetrate through the leaves never rest upon 

 its hard and pohshed surface. A small opening for 

 the entrance of the insects terminates its funnel- 

 shaped bottom. It is impossible to unite more per- 

 fectly the qualities of lightness and strength. 



Nest of the Cai-d-mul-crJfasp, with part removed to shcx the arrunoement 

 of the Cells. 



