distance, i. 245. See "Fir." Pinnacles are of little practical service, i. 170; their effect on common roofs, i. 347. Play, its relation to Grotesque art, iii. 126. Pleasure, its kinds and true uses, iii. 189. Popery, how degraded in contest with Protestantism, i. 34, iii. 103; its influence on art, i. 23, 34, 35, 384, 432, ii. 51; typified in ornament, i. 316; power of Pope in Venice, i. 362; arts used in support of Popery, ii. 74. Porches, i. 195. Portraiture, power of, in Venice, iii. 164. Posture-making in Renaissance art, iii. 90. Prayers, ancient and modern, difference between, ii. 315, 390. Pre-Raphaelitism, iii. 90; present position of, iii. 168, 174, 188. Pride, how symbolized, ii. 343, iii. 207; of knowledge, iii. 35; of state, iii. 59; of system, iii. 95. Priests, restricted power of, in Venice, i. 366. Proportions, subtlety of, in early work, ii. 38, 121, 127. Protestantism, its influence on art, i. 23; typified in ornament, i. 316; influence of, on prosperity of nations, i. 368; expenditure in favor of, i. 434; is incapable of judging of art, ii. 105; how expressed in art, ii. 205; its errors in opposing Romanism, iii, 102, 103, 104; its shame of religious confession, ii. 278. Prudence, how symbolized, ii. 340. Pulpits, proper structure of, ii. 22, 380. Purism in art, its nature and definition, ii. 189. Purity, how symbolized, iii. 20. Q Quadrupeds, use of in ornamentation, i. 234. Quantity of ornament, its regulation, i. 23. R