That the eagle has a most wonderful power of visión is shown from the fact that it flies in almost a straight line for any object which it desires to secure. Baby eagles also possess this farsightedness. Long beforë human eyes can discern them, their gaze is flxed on distance, and their cries of welcome to their parents are shrill and continuous. The structure of their eyes makes them peculiarly strong. The brightest glare of sunlight doea not aífect them.