DADANT SYSTEM OF BEEKEEPING 



37 



the bottom board. The rear is double. The inner rear board 

 fits down upon the bottom while the outer board drops down 

 behind it. This effectually encases the bottom on 3 sides. The 

 purpose of this is to prevent cold air, moisture, moths, robbers, 

 &c., more effectively than with the ordinary bottom, 



A wire guide, at the center, near the bottom board, keeps 

 the frames apart. It is more needed in a hive of this depth 

 than with the depth of the ordinary Langstroth hive, but it 

 could be dispensed with, especially with self-spacing frames. 



The frame guides, at the point where the frame shoulders 

 rest, in the upper rabbets at both ends, were not used by us 



ffVi.'// 



Fig. 22. Dadant hive open; a, body; b, alighting board; c, entrance block; 

 d, cap; e, straw mat; /, oil cloth; g, frame of foundation 



