42 RUDIMENTS OF

regard to their uses, and so disposed, that
the straight and curved ones succeed each
other alternately. In every profile there
should be a predominant member, to
which all the others ought to be subser-
vient, and seem either made to support,
to fortify, or to shelter it from the injury
of the weather, as in a cornice where the
corona is principal, the cyma or cavetto
cover it, and the modillions, denteles,
ovolo, and talon support it."

" When ornaments are employed to
adorn the mouldings, some of them should
be left plain, in order to form a proper
repose; for, when all are enriched, the
figure of the profile is lost. In a cornice
the corona should not be ornamented, nor
the modillion band ; neither should the
different facias of architraves, the plinths
of columns, fillets, nor scarce any square
member, be carved ; for they are, gene-
rally speaking, either principal in the com-
position, or used as boundaries to other
parts; in either of which cases, their
figures should be distinct and unembar-
rassed. The dentele band should remain
uncut, where the ovolo and talon imme-