INSECT HOME-BUILDERS AND THEIR TOOLS. 269 



In a cylindrical hole excavated in a well-beaten 

 and hardened pathway several thimble-shaped cells 



Leaf-cutting bees and nest. 



are constructed, made of leaf cuttings very artificially 

 and skillfully worked and folded into shape, and in- 

 serted the bottom of one into the mouth of another. 

 When one cell is completed and stored with a rose- 



