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Glands of Siebold. 



the meibomian glands in our own eyelids ; that is, a long duct 

 bears many follicles rich with secreting cells, the whole 

 looking like a compound leaf with small leaflets. The 

 ducts empty on the floor of the mouth. These glands are 

 very marked in nurse bees, but smaller in aged bees. 



Schiemenz believes that these glands secrete the food for 

 the larval bees and also for the laying queen. Their large 

 size, their full development only in the nurse bees, and their 

 entire absence in queen and drones, surely seem to give 

 great force to this view. As already stated the queen larva 

 is fed very liberally, and almost exclusively, of this so-called 

 bee milk. Berlepsch says that the little pollen sometimes 

 found in the digestive tube of the queen larva is accidental. 

 The worker larva receives less of this secretion, and to it 

 is added, just at the last, some partially digested pollen which 



