A dictionary of architecture and building; biographical, historical and descriptive (1901)
Sturgis, Russell, 1836-1909 · New York, Macmillan · leaf 429
irly Decorated ;SoLiHuLi, Church,Warwickshire. Tho cusp is pierced, and ends notin a i)oint but in tu-o reversedspirals, —a rare form. place it is to occupy inthe wall, vault, or otherconstruction, having care-fully cut beds and joints,and a face more or lesssmoothed to the generalsurface of the… … Cusp: Gothic Traceried AVindow; Late 14th Century (Notre Dame, Paris) . All the decorative effect being derived from pierced cusps.
Architecture
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