ii. 95;

his church at St. Alban’s, 102.

Omer, St., round abacus at, i. 155.

Ongar, chapel at Greensted, near, ii. 56.

Oratories, in early Irish remains, ii. 14, 16; at Hexham, 31; Brixworth, 40.

Order, or rib, in arch-moulding, i. 248.

Orders, development into, in early Irish remains, ii. 22; in Norman, 75-77; sub-orders, 78; divided, 101.

Oriel windows, i. 265; ii. 213.

Orme, Philibert de l’, treatise on vaulting, ii. 182.

Ornamentation, of useful features, i. 147.

Oswald, who completed King Edward’s church at York, ii. 29.

Otho III., i. 43; ii. 261, 306.

Othos, the first three, i. 41; ii. 74.

Ourscamp, monastery at, i. 326.

Oxford, chapter-house at, i. 286; Merton Chapel, 287; St. Peter’s, moulded vaulting ribs, ii. 194; staircase to the hall, Christ Church, 221; Divinity schools, 222, 225.

P

Pagan origin of pointed architecture, i. 9, 10.

Pagan tribes, ii. 5; in Britain, 9, 14.

Painted decoration, i. 34, 203.

Painted glass, i. 22, 34, 147, 203, 297, 357; in secular work, 361.

Painting, i. 142; fresco, 213, 271; figure, 357; introduction of, into vaulting surfaces, ii. 188; art of, its origin, 291; in Egypt, 297.

Palermo, architecture of, ii. 8.

Paley, Mr., ii. 57.

Palgrave, Sir Francis, ii. 125, 130.

Panels of vaulting, i. 60.

Pantaleon, St., Cologne, i. 278, 279; ii. 12, 25.

Pantheon, i. 271; ii. 231-234, 237, 244, 246, 253, 260-262, 282, 283.

Parapets, i. 256, 258.

Paris, district round, i. 33; Nôtre Dame, 97, 100, 102, 126, 141, 144, 166, 321; St Germain des Près, 62, 65, 85, 92; Montmartre, 102, 319; the focus of the transition, 73; Sainte Chapelle, 103, 183, 324; architecture of, 318; Hôtel Cluny, 324; St. Julien le Pauvre, 97, 320.

Paris, Matthew, account of King Edward’s church at Westminster, ii. 68.

Parker’s, Mr., “Glossary,” ii. 56; paper on St. Stephen’s at Caen, 66.

Parliament Houses, London, difficulty of finding suitable stone for, i. 222.

Parthenon, i. 18.

Parthians who used the semi-elliptical arch, ii. 179.

Patricus or St. Patrick, ii. 13.

Paul, monk of St. Stephen’s at Caen, ii. 95; rebuilt St. Alban’s, 96, 99, 104.

Paulinus, Roman missionary, ii. 29, 30, 50.

Paul’s, St., London, bar-tracery at, i. 163;