Rudiments of ancient architecture, containing an historical account of the five orders, with their proportions, and examples of each from antiques also, extracts from Vitruvius, Pliny, &c. relative to the buildings of the ancients (London, 1810 (4. Aufl.))

ROT SCI 12?

men, the top or ridge, of consequence
the ridge piece. Columens, from whence
columns derive their name. This must,
therefore, be what we call the king-post.
Transtrce, if the span of the roof is great,
these therefore may be considered as
large or principal rafters ; to these are
added tapreoli, struts, or braces; can-*
terii, small or comon rafters, project-
ing to the extremities of the eaves ;
templa, cross, or longitudinal pieces,
which serve to support or strengthen the
asseres, or laths which support the tiles
or covering.

Rotunda, a building which is round both
within and without.

Rustic, the term is applied to those stones
inabuildingwhich are hatched or picked
in holes, resembling a natural rough ap-
pearance.

S.

Saloon, a lofty, vaulted, spacious hall or

apartment.
Scapus, the shaft of a column.
Scima. See Cyma.