BRITISH HIVE-BEE. 337 
mouth” it may reach the true stomach and so be digested, 
or may be carried in the crop to the hive, and there 
emptied into the cells by regurgitation. The pollen, which 
is frequently mixed with the honey, is separated from the 
latter by means of the stomach mouth, and is digested. 
Before impregnation, the queen, like the worker, feeds on 
pollen and honey; after it, she is always fed by the 
Fic. 181.—Hive-bees and the cells in which they develop. 
D., Drone cells; W., worker cells; Q., queen cell, open and closed ; 
., drone; w., worker; g., queen. 
attendant workers. The drones, like the young workers, 
avail themselves of the general food-supply of the colony, 
and do not themselves collect honey. 
Other systems.—The respiratory system is represented 
by the ramifying tracheal tubes. They open to the ex- 
terior by the lateral spiracles, which can be completely 
closed. In connection with the trachee there are large 
air-sacs. 
The circulatory system is in essentials the same as that 
2? 
