312 



FIFTY YEARS A^IONG THE BEES 



become bright enough on the next or some following day 

 to make the bees fly out, or cold enough to bring the 

 mercury down too far in the cellar." 



I have not given this as an example of the perfection 

 of wintering. It is far from that. But it shows that 

 after 119 days of confinement the bees will stand a good 

 deal of light and warmth without showing much insubor- 



Fig. log. — Enipiying Out Shimgnni. 



dination, providing they have an abundance of good air. 

 It must be higher than 45 degrees to induce them out 

 when in good condition. 



SUB-EARTH VENTILATOR. 



Some years ago I put in a sub-earth ventilator of 4- 

 inch tile, 100 feet long and 4 feet deep. It was of com- 

 mon porous drain-tile, and becoming a little skeptical of 

 the quality of the air admitted I allowed it to become 

 filled up. I am not sure that I did wisely. I am strongly 

 of the opinion that an air-tight pipe large enough and 

 deep enough would be a great aid to successful cellaring. 



