92 Instinct and Intelligence 



tains pupae or not; that is to say, if there are 

 many or few. Neither reflexes, nor odour, nor 

 polarised tracks can explain the thing." The 

 stolen pupae are treated by the red ants with 

 great care, and when grown up spend their lives 

 in excavating passages, collecting food, carry- 

 ing larvae, etc., for their masters as if this had 

 been their original destination; in fact, they 

 fulfil the office of slaves. 



Bees appear capable of receiving and com- 

 municating to their companions impressions 

 derived from other bees. Thus if a queen bee 

 is removed from her hive, the workers soon miss 

 her and raise a prolonged and plaintive sound. 

 The queen bee, having been secured, was 

 placed in a wire case and returned to the upper 

 tier of the hive. The working bees im- 

 mediately changed their note from a doleful 

 into a joyful sound, which was taken up 

 and repeated by bees in the most distant 

 part of the hive. When about to swarm, 

 before the queen is allowed to leave the 

 hive, scouts are sent out to seek for a suitable 

 locality for the swarm to settle in. After having 



1 Forel, p. 239. 



