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ticos, cornices, &c. are sudden projections; 

 but then they differ from what is merely 

 picturesque in their symmetry and regu- 

 larity; and with respect to ornaments, 

 those of the Corinthian capitals, as well as 

 all friezes and raised work of every kind, 

 though they are sharp and broken, yet are 

 regularly so, and many of them consist of 

 the most beautiful curves and flowing lines. 

 The same principle seems to have been 

 studied in many of the old Italian gardens. 

 Terraces, flights of steps, parapets, &c. are 

 abrupt ; but they are regular, and symme- 

 trical : their abruptness produces bold and 

 striking effects of light and shadow ; less 

 bold and varied indeed than those which 

 arise from irregular abruptness, as from 

 rocks and broken ground, but infinitely 

 more so than those whjch proceed from 

 smoothness and flowing lines. These strong 

 effects are peculiarly useful in the fore- 

 ground; both because there the eye re- 

 quires a more marked and decided cha- 

 racter, and, likewise, because they throw 



