ii. 33, 99;

transept aisles, 90; eastern end, 113.

Peter’s, St., Rome, ii. 115, 253, 280-289; section of dome founded on the pointed arch, 282; scheme of the plan, 287.

Peter’s, St., at Gowts, Lincoln, ii. 72.

Petit, Mr., definition of the Norman style, ii. 73.

Petrie, Mr., on early Irish remains, ii. 15, 17.

Pharos, Roman, on the Castle-hill, Dover, ii. 43.

Phidias, period of, ii. 4.

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

Philip Augustus, i. 140.

Picts, devastations of the, ii. 13.

Piers, ii. 76; subdivision of, i. 48; and arches, 225; decorated shafts substituted for, ii. 76; orders, 76, 78; clustered, 78, 146-148, 151; in vaulting, 79, 158; development of, 80, 143; of Roman brick, 97; pilaster capitals to, 140.

Pietro, Italian mosaic-worker, i. 179.

Pilasters, in Anglo-Saxon work, ii. 36-38, 42, 45, 51, 52, 58, 76; in Norman vaulting, 80, 156, 158; used asbuttresses in Norman, 82, 102, 103; capitals to, 140; jambs of arcades converted into, _ibid._; to doorways, 149.

Pillars, forms determined by vaulting, i. 63; constructional and decorative, 146; varieties of, 149; moulded bands to, 150; bases, _ibid._; their development, ii. 143, 146.

Pinnacles, i. 147, 237.

Pisa Cathedral, i. 44.

Pisan architecture, i. 84.

Planning, freedom of, i. 266, 274.

Plantagenet kings, our early, lie buried, and effigies of, at the abbey church of Fontevrault, ii. 261, 275.

Plate-tracery, i. 161; ii. 152.

Plinths, i. 151; square, octagonal, and round, 152.

Poictiers, St. Jean at, ii. 12.

Pointed arch, connection with Saracenic architecture, i. 13; advantages of, 19; early use of, in south of France, 54; in vaulting, 52, 71; theory as to the introduction of, 57, 65;