142 



HOMES WITHOUT HAKDS. 



contained in the first. A third, fourth, and fifth terrace are 

 added in this manner, all alike, the cells being so small that the 

 mother Wasp cannot even put her head into them. 



It will be seen, therefore, that, as insects never grow after 

 they have assumed the perfect form, the Wasps which have 

 been bred in these cells must be very much smaller than their 

 parent. They are, in fact, the worker wasps, or neuters, as they 

 are sometimes called, whose entire life is devoted to labour, and 

 who, in fact, are undeveloped females. 



WA8F NEST. 



Now, however, a change takes place. The cells of which the 

 next few terraces are composed are of very much larger dimen- 

 sions than the others, and are intended for the purpose of hatch- 

 ing the grubs which will afterwards become perfect male and 



