EXPERIMENTS ON A QUEEN ANT. 



197 



opaque porcelain, one of violet, and one of red glass, 

 all of the same size. The result is shown below. 



Ota. 



l. 

 t. 



3. 

 4. 

 ft. 



6. 



7. 



8. 



9. 

 10. 

 11. 

 12. 

 13. 

 14. 

 15. 

 16. 

 17. 

 18. 

 19. 

 20. 



Brtri 



porcelain 

 red glass 

 I 

 6 

 3 

 10 

 4 

 I 



porcelain 

 red glass 10 

 porcelain 4 

 red glass 7 

 porcelain 4 

 red glass 4 

 porcelain 

 red glass 10 

 8 



porcelain 7 

 1 



. 90 



7 

 7 

 2 

 2 

 7 

 

 6 

 



10 

 

 6 

 3 

 6 

 6 



10 

 

 2 

 3 

 9 



88 



Obviously, therefore, the ants showed no marked 

 preference for the porcelain. On one, but only on one 

 occasion (Obs. 9), most of the pupae were carried under 

 the violet glass, but generally it was quite neglected. 



I now tried a similar experiment with porcelain and 

 yellow glass. 



01* 



1. Queen went under porcelain 



n M 



I. 



_ i pnpe were taken 2 / under 

 t under yellow. I porcelain 



