.6 4 



I-'l. \MII.KiHTS ON N.XI l M 



workers. A uitumn comes mi, lmwe\vr, and the 

 future of the race must be provided tm, S!K- l,i\ > 

 eggs which hatch out a brood of perfect feinalr- 

 DI queens like herself. It is probable that the 

 same egg may develop either into a queen or a 

 worker, and that the difference of type is due to 



NO. 5. NEST OF TREK-WASP, WITH PAPER PARTLY REMOVED. 



the nature of the food and training. A young grub 

 fed on ordinary food in an ordinary cell becomes a 

 neuter ; but a similar grub, fed on royal food and 

 cradled in a larger cell, develops into a queen. As 

 with ourselves, in fact, royalty is merely a matter of 

 the surroundings. 



