Resistance, line of, in arches, [i. 126].

Restraint, ornamental, value of, [i. 255].

Reverence, how ennobling to humanity, [ii. 163].

Rhetoric, a base study, [iii. 106].

Rigidity, an element of Gothic, [ii. 203].

Rivers, symbolical representation of, [i. 419], [420].

Rocks, use of, in ornamentation, [i. 224]; organization of, [i. 246]; curvatures of, [i. 58], [224].

Roll-mouldings, decoration of, [i. 276].

Romance, modern errors of, [ii. 4]; how connected with dress, [iii. 192].

Romanesque style, [i. 15], [19], [145]; [ii. 215]. See “Byzantine,” and “Renaissance.”