284 



ANIMAL LIFE 



to pieces, devour the eggs, scatter the contents, and 

 start provisioning and stocking alresh. 



Fig. 60. - Section of the burrow of Andrcna, one <>f the Solitary fiees. 

 The main-shaft communicates with the lateral chambers in which from 

 hjlow upwards the stages in development may lie seen progressing. — 

 [From ' Riverside Natural History,' by hint permission of Messrs. 

 Houghton, Mifflin V Co., U.S.J.) 



Evolution of the Hivc-bcc. — Among these solitary bees 

 we find tlic first traces of that fraternal spirit which is 

 such a dominant impulse in the social ones. The early 



