424 
Beekeeping 
method commends itself because of the saving of time and 
it is used by many commercial queen breeders. 
Fig. 187. — Pratt nursery. Two cells are removed to show construction. 
Six such nursery cages fit in a Langstroth frame. 
Having cells built out. 
After cells have been started by any of the methods given, 
they may be put in the upper story of a normal colony, 
protected by perforated zinc to keep the queen from destroy¬ 
ing the cells. During the time that the queen larvEe are 
Fig. 188. — Queen mating hives. This type is used in the apiary of the 
Bureau of Entomology. The frames are supported by tins which may 
be removed and used to fasten three frames together to form a large 
frame of Langstroth dimensions. A feeder is provided either at the 
front (right) or back (left) of the hive. These small hives are un¬ 
necessarily complex. 
