THE SEEING EYE 329 



no note of the route, pointed out, in a moment, the 

 right direction of our canoe." 



Sometimes the eye seems to have a memory of its 

 own. As we walk along, it suddenly dawns on us 

 that there was something seen a few paces back. 

 Sometimes we hope that by concentration of a 

 bygone image we can add features not noted at the 

 time. It is a doubtful effort. The addition is likely 

 to be purely imaginary, and the final image a hopeless 

 mixture of fact and fancy. Herein imagination spoils 

 sight There is nothing for it but to go back and 

 have another look, a look in which the observer 

 shall be attentive to all that the eye delivers, 

 attentive also to Captain Cuttle's celebrated maxim, 

 " When found, make a note of." 



