CREATION BY EVOLUTION 



it with pollen, usually mixed with honey, deposits an egg, 

 covers the cell in, and leaves the young larva to eat up the 

 food provided. The grub or larva then turns into a pupa, 

 from which emerges the active adult insect, which makes its 

 way out into the world. The next stage higher is shown in 



Fig. 16. 



(ft 



Fig. 18. 



Fig. 17. 



Fig. 19. 



Fig. 16. — A single cell of a solitary bee made in the 

 ground. The egg is deposited on a mass of pollen and 

 honey and the cell is closed in. 



Fig. 17. — A series of cells side by side but well sepa- 

 rated from one another. These cells have a common 

 passage indicated by the arrow, and the whole are sur- 

 rounded by a common envelope. This is the first indication 

 of a comb. 



Fig. 18. — A row of cells of a solitary bee, such as the 

 carpenter-bee. They are touching end to end. 



Fig. 19. — A number of simple cells such as are found in 

 the hive of the bumble-bee. They just touch one another, 

 but have not really fused together, and there is no common 

 wall separating them. The cells are really independent 

 and are all made of pure wax. 



Fig. 17. The cells are placed side by side or end to end, as 

 are those of the leaf-cutting bee or the carpenter-bee; but 

 each individual cell of both these bees is furnished with food 

 and an egg and then left alone. The young bee does not 



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