380 SIR J. LTTBBOCK ON ANTS, BEES, AND WASPS. 



the walls of the box, turned round with the table. Then, as before, 

 when the ants were between I and D, I turned the table half round. 

 The results were as follow : — 



Ants which Ants which 



turned. did not turn. 



Exp. 1 1 2 



„ 2 1 1 



„ 3 1 1 



„ 4 4 2 



„ 5 , 1 



„ 6 1 



„ 7 3 



„ 8 1 1 



„ 9 1 



„ 10 2 2 



„ 11 1 1 



„ 12 3 



11 19 



In this case, then, only 11 ants turned ; and as 4 of them were 

 together, it is possible that 3 simply followed the first. More- 

 over, the ants which turned did so with much more hesitation and 

 less immediately. 



8. For comparison, I then again tried the same experiment, but 

 without the box. The results were as follows : — 



Ants which Ants which 



turned. did not turn. 



Obs. 1 3 



„ 2 3 



„ 3 3 1? 



4 3 



5 4 



„ 6 4 



j? 



5> 



20 1? 



Under these circumstances, therefore, all the ants but one cer- 

 tainly turned, and her movements were undecided. 



From these last two experiments it is obvious that the presence 

 of the box greatly affected the result, and yet the previous results 

 made it difficult to suppose that the ants noticed any objects so 

 distant as the walls of the rooms, or even as I was myself. The 



