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(77)
the word is taken in its more Proper sense )
to be but Modify 'd Light , there will be small Reafon to deny these to be true Colours, which more manifestly than others difclofe themfelvesto beproduc'd byDi- versifications os the Light-
-. There is indeed taken notice of a
Difference betwixt these Apparent colours, and those that ate wont to be esteem'd Genuine , as to the Duration, which has induc^d some Learned Men to call the former rather Evanid than Fantastical- But as the Ingenious GassenduS does fomewhere Judiciously obferve , if this way of Arguing were Good, the Greenest of a Leaf ought to past for Apparent^ becaufe, foon Fadiiig into a Yellow, it fearce lasts at all, in comparifon of the Greenest of an Emerauld. l^ shall add, that if the Sun-beams be in a convenient manner trajected through a Glast-prism, and thrown upon some wellshaded Object within a Room , the Rainbow thereby Painted on the Suifaceofthe Body that Terminates the Beams, may oftentimes last longer than fome Colours I have produc'd in certain Bodies , which would justly, and without fcruple be accounted Genuine Colours, and yet suddenly Degenerate, and lose their Nature. 4. A greater Disparity betwixt Em-
phatical
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