

the coiittesy of 



Afi-?.srs. /''. Davidson ^^ Co. 



I. A FLy's Eye 



A fly's eye highly inignified, showing some of the many lenses of which ic is composed. 



2. Images Seen by a Fly 



itographs of a statue taken through a fly's eye. Instead of seeing one image of an object, the 

 fly sees a'? many images as there are lenses in its eyes. 



