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otherwife the figures and delcnptions together 

 would not be fo agreeable to fome readers. 

 Therefore many fuch adions, turns, and fore- 

 fhortenings, which make up the agreeable va- 

 riety of mafterly compofitions, muft be avoid- 

 ed, left they hide what is moft confpicuous in 

 the natural defcriptions. 



In colouring after nature one ftiould be care- 

 ful that the lights be not made too light, efpe- 

 cially where fubjeds are of dark colours, be- 

 caufe it may deceive thofe whom we defign to in- 

 form, by making them believe thofe fubje6ts are 

 lighter coloured than they really are in nature ; 

 every indifferent judge not confidering that an 

 artift cannot exprefs the fullnefs of light and 

 fhadow in a pi6ture, as they appear in natural 

 objed:s : For example, what man can exprefs 

 the fullnefs of a fhadow in an objed: that ig 

 wholly black j for the paper or canvafs the ob- 

 je6t is drawn on, muft be expofed to a good 

 light to fliew it advantageoufly to the eye, by 

 which means the blackeft fhadow one can make 

 will appear as light as the higheft light of the 

 fame black objed placed in the fame degree of 



lights 



