NOTES AND ILLUSTRATIONS. 



P. 82, 1. 1. The circumstance of tints being revived by 

 means of water, is little attended to but by painters. 

 It is a rule in their art, that no tint should be 

 introduced into a picture, without being revived 

 again in other places ; in short, that it should in a 

 manner echo from one part of the composition to 

 another, and that no considerable part should be 

 without it : a rule, by no means founded on the 

 mere practice of the art, but on repeated ob- 

 servations of the most harmonious combina- 

 tions in nature. Now, water, by repeating not 

 only the brilliancy, but the hue of the sky, acts as 

 a powerful harmonizer in respect to colour, and 

 for that reason few compositions are totally without 

 it. A small quantity, however, will answer that 

 purpose ; often better than a larger expanse, the 

 brilliancy of which might be too powerful for the 

 rest of the picture. This will account for the 

 seemingly insignificant bits of water that we see in 

 pictures, and also for the pleasure which lovers of 

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