r 
ON THE AIR OF HIVES. 
✓* 
or thirty thousand bees in a hive, 
preserved a sufficient degree of pu¬ 
rity for their respiration. 
2. If the bees had any sources of 
vital air in their hive, capable of sup¬ 
porting their necessities, it would be 
indifferent whether the entrance were 
close or open. Therefore, The en¬ 
trance of a populous hive was shut up, 
at a time when all the bees were col¬ 
lected within. In a quarter of an hour 
they began to testify some signs of 
uneasiness, and in 40 minutes, the 
whole colony was suffocated. The 
hive cooled suddenly, the thermome¬ 
ter in it sinking from 95 degrees, to 
the temperature of the atmosphere. 
