TWO YOUNG NATURALISTS. 133 



hold operations. The males live like landlords ; the 

 females lay the eggs, and nothing more is asked of 

 them. As for the workers, their occupations are 



ANTS AND APHID 



much more varied ; in the first place it is they who 

 construct the house." 



" In fact, they are at once architects, bricklayers, 

 labourers, and miners. What next?" 



" They take care of and milk the aphides." 



"Dairymen." 



