_Rood-loft_ A beam, carrying the rood, placed above the rood-screen. The place of the rood-screen was at the west end of the ritual choir. _Sanctuary_ The space between the ritual choir and the high altar. _Sedilia_ Seats for the priest and his assistants on the south side of the sanctuary. _Sexpartite vault_ One in which each compartment is divided into six cells by four diagonal and two intermediate ribs. _Shaft_ A slender column. VAULTING-SHAFTS supported a vault or ceiling. _Spandrils_ The triangular spaces on either side of an arch. _Splay_ A window-jamb which slants outwardly or inwardly from the glass. _Springers_ The lower stones of the ribs of a vault. _Stilted arch_ An arch elevated above the abacus by vertical masonry. _String-course A projecting moulding, usually horizontal, running or String_ along a wall. _Thrust_ The pressure exerted laterally and downward by an arch or vault. _Tracery_ The straight or curved bars of stone which separate the lights in the arched part of a window. _Transept_ A cross-arm of a church. _Transoms_ Horizontal cross-bars of stone in a window. _Trefoil_ An ornament with three lobes. _Triforium_ (1) The space between the vault and the lean-to roof of an aisle. (2) The arcade in front of it. The triforium-space often forms a BLIND STORY. _Tympanum_ (1) The space between the lintel and arch of a doorway. (2) The space enclosed by the triangular outline of a gable. _Vault_ An inner roof of stone. _Voussoir_ Each stone in an arch or rib is a voussoir. The principal voussoir is the keystone, which may be enlarged so as to form a boss, or still further enlarged so as to form a pendant. [Illustration: PEEL, ST. GERMAIN, INTERIOR.] Printed by Hazell, Watson & Viney, Ld., London and Aylesbury. PRESS NOTICES OF FIRST EDITION.