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colours absorb the light, and those that give it out, and thus select
for his shadows, colours that have the property of giving depth and
richness." Unless the pictures are intended to be seen at twilight, we
do not see how this can bear upon the question; if it does, we would
notice what we have often observed, that at twilight blue almost
entirely disappears, to such a degree that in a landscape where the blue
has even been deep, and the sky by no means the lightest part of the
picture, at twilight the whole landscape comes out too hard upon the
sky, which with its colour has lost its tone, and become, with relation
to the rest, by far too light. It is said that of all the pictures in
the National Gallery, when seen at twilight, the Coreggios retire
last--we speak of the two, the "Ecce Homo" and the "Venus, Mercury, and
Cupid." In these there is no blue but in the drapery of the fainting
mother, and that is so dark as to serve for black or mere shadow; the
lighter blue close upon the neck is too small to affect the power of the
picture. It certainly is a fact, that blue fades more than any colour at
twilight, and, relatively speaking, leaves the image that contains it
lighter. We should almost be inclined to ask the question, though with
great deference to authority, is blue, when very light, necessarily
cold; and if so, has it not an activity which, being the great quality
of light, assimilates it with light, and thus takes in to itself the
surrounding "radiance?" A very little positive warm colour, as it were
set in blue, from whatever cause, gives it a surprising glow. We desire
to see the theory of colours treated, not with regard to their
corresponding harmony in their power one upon the other, nor in their
light and shadow, but, if we may so express it, in their
sentimentality--the effect they are capable of in moving the passions.
We alluded to this in our last paper, and the more we consider the
subject, the more we convinced that it is worth deeper investigation.
* * * * *
The NINTH DISCOURSE is short, and general in its character; it was
delivered at the opening of the Royal Academy in Somerset Place, October
16, 1780. It is an elegant address; raises the aim of the artist; and
gives a summary of the origin of arts and their use. "Let us for a
moment take a short survey of the progress of the mind towards what is,
or ought to be, its true object of attention. Man in his
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