In the normal Ionic capital the
opposite faces are of identical appearance. If this were the
case with the capital at the corner of a building, the
result would be that on the side of the building all the
capitals would present their bolsters instead of their
volutes to the spectator. The only way to prevent this was
to distort the corner capital into the form shown by Fig.
64; cf. also Figs. 61 and 70.
The Ionic architrave is divided
horizontally into three (or sometimes two) bands, each of
the upper ones projecting slightly over the one below it. It
is crowned by a sort of cornice enriched with moldings. The
frieze is not divided like the Doric frieze, but presents an
uninterrupted surface. It may be either plain or covered
with relief-sculpture. It is finished off with moldings
along the upper edge. The cornice consists of two principal
parts. First comes a projecting block, into whose face
rectangular cuttings have been made at short intervals, thus
leaving a succession of cogs or dentels; above these are
moldings. Secondly there is a much more widely projecting
block, the corona, whose under surface is hollowed to
lighten the weight and whose face is capped with moldings.
The raking cornice is like the horizontal cornice except
that it has no dentels. The sima or gutter-facing, whose
profile is here a cyma recta (concave above and convex
below), is enriched with sculptured floral ornament.
In the Ionic buildings of Attica the
base of the column consists of two tori separated by a
trochilus. The proportions of these parts vary considerably.
The base in Fig. 66 (from a building finished about 408
B.C.) is worthy of attentive examination by reason of its
harmonious proportions. In the Roman form of this base, too
often imitated nowadays, the trochilus has too small a
diameter. The Attic-Ionic cornice never has dentels, unless
the cornice of the Caryatid portico of the
to be reckoned as an instance.