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.))

116 ION ME A

Ionic order, one of the five orders of Ar-
chitecture.

K.

Key-stone, the highest stone of an arch,
to which a projection is usually given,
and which is sometimes cut in orna-
ments.

L.

Lacunars, pannels or coffers in cielings,

or in the soffits of cornices, &c.
Larmier. See Corona.
List, or Listel. See Annulet.

M.

Measure of length of different countries
being of much importance in examining
buildings, and a comparison that could
be depended on not being before col-
lected into a convenient form, the fol-
lowing modern measures have been care-
fully deduced from the best authorities;
taking the English foot of twelve inches
as the standard: