42 TREATISE ON THE 
by Bees, apparently serve asa signal to their 
companions, and are followed by regular 
consequences, and that, therefore, they may 
be additional means of communication to 
those afforded by the antennze. He mentions 
particularly a sound emitted by the queen, 
which produces paralyzing effects on the 
Bees in certain circumstances. Describing 
the attemps of a reigning queen to destroy 
her rivals, while yet in their cells, he tells us, ~ 
that the Bees on guard pulled and bit her, 
and drove her away, in these circumstances 
she emitted the sound alluded to, standing, 
while doing so, with her thorax against’ a 
comb, and her wings crossed on her back, in 
motion, but without being unfolded or far- 
ther opened. 
Whatever might be the cause of her as- 
suming this attitude, the Bees were affected 
by it, all hung down their heads, and re- 
mained motionless. On another occasion, 
after a queen had put her rival to death, she 
approached a royal cell, and took this mo- 
ment to utter the sound, and assume that 
