Plate 12 



Nests of Carpenter-bee. 



Page 98 



The shafts liorcd in dead wood are divided into eells by parlilioiis of agglutinated 

 wood-fraynicnts. These are provisioned witli a mixture ol honey and pollen and 

 an egg laid in eacli. The cells show succeeding stages in development, beginning 

 with the egg in the lower right-hand cell. 



VraK'H by T. Carreras. 



