EXPERIMENTS ON A QUEEN ANT. 197 
opaque porcelain, one of violet, and one of red glass, 
al of the same size. The result is shown below. 
Obs. 
fore sere taken 9 { under 
o 
1. Queen went under red glass 
under red glass porcelain 
2. 8 porcelain 0 5 7 eo 
3. oy red glass 0 $i ue * 
4, » ” 6 ” 2 ” 
5. » 9 6 s 2 ¥ 
6. ” ” 3 ” ve ”» 
7. »” ” 10 ” 0 »” 
8. ” ” 4 ”» 6 ” 
9. ” ” 1 ” 0 » 
10. i porcelain 0 ue 10 fe 
11. * red glass 10 3 0 i 
12. ” porcelain 4 a 6 a 
13. 3 red glass 7 es 3 35 
14. ” porcelain 4 + 6 ie 
15. “ red glass 4 ws 6 
16. r porcelain 0 39 10 “ 
17. ys red glass 10 0 Pr 
18. “ : 8 ‘ Bw 
19. % porcelain 7 3 3 a 
20. ” ” 1 ” 9 a 
Total ‘90 88 
Obviously, therefore, the ants showed no marked 
preference for the porcelain. On one, but only on one 
occasion (Obs. 9), most of the pupz were carried under 
the violet glass, but generally it was quite neglected. 
I now tried a similar experiment with porcelain and 
yellow glass. 
Obs. 
pupe were taken 9 { under 
under yellow. porcelain 
2. 3 3 2 ” 8 ” 
3. » ” 8 ” 2 ” 
1. Queen went under porcelain 8 { 
