BEHAVIOUR TO CHLOROFORMED FRIENDS. Ill 



At 1.10 a stranger was picked up and dropped at 2. 6 



1.42 a friend „ „ 1.46 



1.52 „ „ „ 1.56 



2.6 „ „ „ 3.10 



Only one of them, and that one a stranger, was 



carried into the nest at 12.45, but brought out again 



at 1.10. 



October 6. — At 9 a.m. again tried the same experi- 

 ment with four strangers and five friends. 



At 9.25 a friend was picked up and dropped at 9.31 



9.32 „ „ „ 9.38 



9.35 a stranger „ „ 9.45 



9.45 a friend „ „ 9.52 



10. 8 a stranger „ „ 10.17 



10.17 a fi.-iend „ „ 10.20 



10.22 a stranger „ „ 10.25 



10.28 „ „ „ 10.40 



10.25 a friend „ „ 10.31 



None of them were carried into the nest. 



These experiments seem to prove that under such 



circumstances ants, at least those belonging to this 



species, do not carry off their friends (when thus 



rendered insensible) into a place of safety. 



I think, however, that in this experiment the 

 ants being to all intents and purposes dead, we could 

 not expect that any difference would be made between 

 friends and strangers. I therefore repeated the same 

 experiment, only, instead of chloroforming the ants, 

 I intoxicated them. This experiment is more difficult, 



