THE EYES OF INSECTS 201 



be produced by placing a portion of the eye of an 

 insect so that when nicely focussed we see right 

 through it on to the second hand of a white-plated 

 watch. 



If we are looking through a hundred facets of the 



Fig- 55. A small portion of Eye of House-fly. 



insect's eye, we shall be able to see a hundred images 

 of the second hand. When the tiny hand is in 

 motion the effect is most telling. It does not follow 

 from this that the insect sees a multitude of images 

 of any one object. 



