124 BEES AND BEE-KEEPING. 



air and light into the hive. C is a curtain, which can 

 be raised to admit more or less light, as may be 

 required, and, when lowered, serves for throwing a 

 shade about the air space, thereby preventing the 

 entrance of light into the working-chamber without 

 interfering with the ventilation of the same, and 

 which serves to keep the bees in a state of repose a 

 greater part of the time when unable to collect honey, 

 or during windy and cold weather at any season. D 

 is the cross-piece to which the curtain is attached. It 

 is secured to the inclined bottom-board, A, at such a 

 distance from the door as to allow a space for the 

 admission of air and light to the hive. E is the pas- 

 sage for the admission of air and light to the hive, 

 and F is a movable cross-piece, provided with two 

 wire screens, G, for the purpose of admitting the air 

 and light, which ascend through the passage, E. H 

 is an adjustable slide, which fits loosely in grooves on 

 the sides of the hive, and provided with a wedge, I, 

 for the purpose of tightening or loosening the same, 

 said slide, H, being removed to admit the discharge 

 of any impurities which may have collected on the 

 inclined bottom-board, A. J is a cross-piece, mor- 

 tised to admit the lower end of the sectional comb- 

 frames, K, which has a tenon cut on its lower end, 

 and which fits into the mortise cut in the cross-piece, 

 J, and also has a projection on its upper part which 

 fits into a slot, a, cut on the inner part of the front 

 of the hive ; by this means it is secured in its right 

 position in the hive, the lower part of the sectional 

 comb-frame, K, being adjustable up and down, by 



