DADANT SYSTEM OF BEEKEEPING 



95 



we thus hauled a large number of colonies to the low lands 

 (400 in 1919), with profit. 



The advent of the auto truck has certainly made a revolu- 

 tion in nomadic beekeeping, as a man can readily enough haul 

 even rich colonies from one place to another. To confine them, 

 we usually entirely nail up the entrance, as we find that the 

 old bees are apt to worry on the screen, if screen is used to close 

 it up, since that is their usual exit. We remove the cap and the 

 supers, hauling them separately, and each colony is covered 

 with a wooden frame entirely screened over, with cross pieces 



Fig. 54. Closing brood-chambers with screens for hauling in hot weather 



