154 Cells Described. 
cells varies from two to eight. The perfect drone-cells 
may be, often are, contiguous to perfect worker-cells, tlfe 
irregular cells being used to fill out the necessary irregu- 
larities. An English writer criticises Langstroth’s repre- 
sentation of these irregular cells and adds that the angles 
can never be less than 100°. This is far from the truth, 
as I have found many cells where an angle was consider- 
ably less than this. 
Rhombs, Pyramidal Bases, 
and cross-sections of Cells 
tlustrated, 
Honey-Comb. 
a Drone-cells. ¢ Worker-cells, 
6 Deformed cells. dd Queen-cells, 
The structure of each cell is quite complex, yet full of 
interest. The base is a triangular pyramid (Fig. 53, e) 
whose three faces are rhombs, and whose apex forms the 
