136 TREATISE ON THE 
pletely under his eyes and athis disposal, 
and can choose what combs best suit his 
purpose for making artificial swarms. This 
hive presents great facilities for making ex- 
periments, and for observing the proceedings 
of the Bees, which being prevented from 
constructing more than one comb, cannot 
conceal any part of their operations as in 
other hives. 'The panes in this hive being 
made to open is indispensable for experimen- 
tal operations, such as seizing the queen, cut- 
ting out brood comb, &c. The whole turns 
on an upright shaft, and when the observer 
is satisfied with inspecting one side of the 
comb, he may wheel the hive round and ex- 
amine the other, without changing his sta- 
tion. By this mode of proceeding he may 
contemplate his favorites at his leisure, with- 
ut disturbing them, and without the slight- 
est danger of being annoyed by them ; for it 
is true that they become so much accustom- 
ed to the opening of the shutters, that the 
admission of the light ceases to disturb them. 
tn short, all the experiments that have ever 
