EXPERIMENTS ON COLOR-VISION OF THE HONEY BEE. 2~ \ 



no alien- 



. 1 



ment, some of the bees would fly into the tray without first 

 alighting on the portico. Not once was the green box visited 

 by a 1 



Kxn.kiMi .\ i 27. On my return after the rain mentioned in 

 experiment j 'itch-glass, seven centimeters in diameter, con- 



tain in cd on the ground within \ of the weed in 



which the boxes mentioned in experiment 26 were located. It was 

 :tt, on such a cloudy afternoon, it was not cons pic u- 



I >iin'ii^ ilx- time that I was watching expi-rinu-nt 

 tion w.i- 1 1. 1 id to the watch- 

 gla--. At the close of that 

 liinciit the watch-glass 

 was "b-rrvi'd continuously 

 t i-ii minutes. During 

 t In! i nut- not a single bee vis- 

 i i i-i| the watch-glass. Since 

 i IK trip to the hive required 

 ill. in live- minutes, any 

 that had succeeded in 

 li nd inv; this watch-glass full 

 "i honey would have made 

 .it Ir.ist one visit whilr I 

 \\ .1- \\ .1 irli in- ; hrnce it is log- 

 it .il in i < iiu hide that no bee had visited it. 



At this point rain caused a recess until eight A. M., July 16. 

 On /cc. the boxes were removed from the weeds 



and the watci: >: the ground. 



I AIM KIM i \ i 28. >/</ by side, in the same weed that has been 

 the s,'<it of the majority of these experiments, I placed tu'o red experi- 

 ment />o\, .iained honey and the other was empty. 



\~ -"mi ,1- I .ippr.uvd on the scene, the bees began to IIDMT 

 aliDiit IIH-. .ind. brl'dri- I could pin the red box with it- -upply <>f 

 li(MH'\ to tlu- \\rrd, .1 1 >oe had entered its tray. In a feu minutes 

 so many bees \\< r<- \ i -it ing the ml lm\ that cmitaiiu-d the honey 

 that it \\a- imp. > il >]< to count tlu-m. l ; m|iirntly bees would 



the i-mpty ml b.\, but tln-\ \v.uld not tarry long. 

 Exn.RiMi.N r 2'). /;; ///( open spa. ,-n the experiment weed 



