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(Tho' fure from more than three confufion fprings) 

 One globe of light and fhade o'er all fhe flings ; 

 Yet fkill'd the feparate maffes to difpofe, 385 



Where'er, in front, the fuller radiance glows, 

 Behind, a calm repofing gloom {he fpreads, 

 Relieving {hades with light, and light with fhades. 

 And as the centre of fome convex glafs 

 Draws to a point the congregated mafs 390 



Of dazzling rays, that, more than nature bright, 

 Reflect each image in an orb of light, 

 While from that point the fcatter'd beams retire. 

 Sink to the verge and there in fhade expire ; 



Luminis .umbrarumque globus tantummodo fiet, 



Sive duas, vel tres ad fummum, ubi grandius efTet 280 



Divifum pegma in partes ftatione remotas. 



Sintque ita difcreti inter fe, ratione colorum, 



Luminis, umbrarumque, an.trorfum ut corpora clara 



Obfcura umbrarum requies fpeftanda relinquat; 



Claroque exiliant umbrata atque afpera campo. 285 



Ac veluti in fpeculis convexis, eminet ante 



Afperior reipsa vigor, 6c vis atidla colorum 



Partibus adverfis ; magis 6c fuga rupta retrorfuni 



^llorum eft (ut yifa minus vergentibus oris) 



