62 NA T UBE-ST UD Y LESSONS. 



15. (a) On which subdivision are the wings placed? 

 (3) How many pairs of wings are there ? 



B. The Bee at Home. 



16. (a) If possible, have a glass plate put in one side 



of a hive. 

 (6) Observe any difference in the size of the bees ; 

 in the shape of their bodies; in their legs. 



(c) Infer the reason for this difference. 



The largest bee is the Queen. She has a slender abdomen, 



The small bees are the workers. 



Those intermediate in size are the drones. 



(d) Discover which of these kinds of bees have 



stings. 



17. Draw a bee of each kind and discover the par- 

 ticular kind of work it has to do. 



18. {a) Observe the comparative number of each kind 



of bees in a hive. 

 (^) Infer the advantage of having different kinds 

 of bees in a hive. 



19. In the autumn how are the drones treated by the 

 other bees in the hive ? 



20. (a) Observe the working-bee building the cells. 



(J)) Describe how it lays the sheets of wax ; how 

 it gets the wax off its body ; the shape of 

 the cells ; how the single partition serves 

 for the double boxes and infer from this 

 the skill of the bee and its intelligence in 

 economizing time and labor. 



(c) Draw several of these cells side by side. 



(d) Model several of these cells side by side in clay. 

 This collection of cells is called the honey-comb. 



