484 SIR JOHN LUB130CK ON ANTS, BEES, ANJ) WASPS. 



No. 3. 



She returned at 7.20 



7.25 



Imprisoned her. 



Feb. 2. Let her out at 6.30 a.m. 

 She returned at 6.50 



7. 



7. 7 



7.13 



7.17 



7.28 

 7.36 



7.45 



7.50 



7.55 



8. 4 



7. 2 stranger to m. 

 7.10 two strangers to m. 



7.27 stranger to larvae. 



7.38 „ m. 



7.51 „ ,, 



8. 6 



8.11 



8.18 

 8.25 

 8.30 

 8.35 

 8.45 

 8.46 

 Imprisoned her. 



In this experiment, then, the bridge over which the marked ant 

 passed to the larvae was left in its place, the scent, however, being 

 removed or obscured by the friction of my finger ; on the other 

 hand, the bridge had retained the scent, but was so placed as to 

 lead away from the larv^ ; and it will be seen that, under these 

 circumstances, out of 41 ants which found their way towards the 

 larvae as far as e, 14 only passed over the bridge/ to the larvse, 

 while 27 went over the bridge d to the empty glass m. 



Taking these observations as a whole, 150 ants came to the 

 point e, of which 21 only went on to the larvse, while 95 went 



