DISTINGUISHING COLOURS. 299 
At 11.28 she came back to the honey on blue paper 
[ transposed them again. 
At 11.41 ” bP 3 ” 
11.56 29 ” 9 bP 
12. 8 ” bed ob) ” 
At 12.17 she came back to the honey on blue paper. 
[ now put green paper again instead of white, and 
transposed the places. 
At 12.27 she came back to the honey on blue paper. 
T transposed them again. 
At 12.40 35 = 33 7 
12.50 ” 2” ” ” 
1. 0 ” 29 2” ” 
1.1 3 ” 29 ” 9 
At 1.25 she came back to the honey on blue 
paper, and then to the green. I transposed them 
again. 
At 1.40 she came back to the honey on blue paper. 
J transposed them again. 
At 1.47 she came back to the honey on green paper. 
y, 1.57 she came back to the honey on blue paper, 
and then to the green. 
At 2. 6 she came back to the honey on blue paper. 
” 2.17 ” 2” ” ” 
The following day I accustomed this bee to green 
paper. She made 63 visits (beginning at 7.47 and 
ending at 6.44), of which 50 were to honey on green 
paper. 
The following day, August 23, she began work,— 
