472 SIE JOHN LrBBOCK ON ANTS, BEES, AND WASPS. 



then, I transposed the two papers forming the little bridges K and 

 L as soon as the ant A had crossed over. 



I put her to the larvse on F at 6.15 a.m. After examining them 

 carefully, she returned to the nest at 6.34. No other ants went 

 out ; but she at once reappeared with 4 friends and reached the 

 larvae at 6.38. None of her friends, however, crossed the bridge ; 

 they went on to D, wandered about, and returned home. A re- 

 turned to the larvffi at 6.47, this time with one friend, who also 

 went on to D and returned without finding the larvae. 



7. 0. Ant A to larvK. 



At 10.35 I imprisoned her till 12.30, when I put her again to 

 the larvae. 



After this she did not come any more. During the time she 



