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Pllnlnhv] -II.IUTitm. 



Drone-comb. 



Though tlic cells are built up from their b.Tie, the comb containing them is b\iilt doun from the roof, as shown in this photograph. There are 

 differences in the diameter of the cells according to the purposes for which they are designed. This comb being intended for the nurture of 

 drones, the actual size of the cells is a qu.irter of an inch across. 



239 



