Pompeii, ii. 116. Pope's "Odyssey" quoted, ii. 169, and note. Poplar, artisans of, emigration, ii. 86, 87 (note). Porterage, ii. 136, 138. Portrait-painters, their ignorance of landscape, i. 16. Pottery, ii. 139. Poussin, Gaspar, i. 3, 7; his "Sacrifice of Isaac," i. 3. " Nicholas, i. 4. Powers, for labor, order of their employ, ii. 134; of a nation--dependent on what, ii. 25. Poynter, Mr., R.A., at Kensington, i. 100, and note. Prayer, obedience the best, ii. 143. Pre-Raphaelitism, etc., list of letters on, i. 58; choice of features by, i. 63, 64; conceits of, i. 77, and note; drapery of, i. 63; flesh-painting of, i. 65; growth of, i. 74; labor of Pre-Raphaelite pictures, i. 68; Liverpool and, i. 73; meaning of the word, i. 61, and note; perspective of the Pre-Raphaelite Brethren, i. 62; probable success of, i. 66; religious tendencies of Pre-Raphaelite Brethren, i. 60, 66; respective value of Pre-Raphaelite and other work, i. 74, 76; want of shade in Pre-Raphaelite work, i. 66; Pre-Raphaelite work, true and false, i. 70. Price, dependent on labor, ii. 55, 60; a just, ii. 106 (note); determinable, ii. 61; allows for necessary labor, ii. 56; and value, ii. 39, 64. Principle, the sense of, how blunted, i. 8. Property, distribution of, ii. 67, 68; principles of, ii. 71; loss of in war, ii. 32, 38. Proteus, character of Shakespeare's, i. 64. Prout, i. 63 (note). (See Ruskin, Mr., "Notes on Prout and Hunt.") Provence, winds of, ii. 135. "Protestant," ii. 140. Protestantism, remarks on, ii. 3, 4; aspect of, at home and abroad, ii. 11; hypocrisy of, ii. 4; of Italians, French, and Austrians, ii. 5. Protests, uselessness of, ii. 17. Protractor, the use of the, i. 181 (note), 184. Prussia, Frederick William IV. of, ii. 7 (note). (See also Franco-Prussian war.) Public, the, defined, i. 15; their judgment in art, i. 15; and in other matters, i. 17; their ignorance of nature, i. 17; Frederick Walker, how affected by, i. 122. Public Institutions and the National Gallery, list of letters on, i. 36. (See National Gallery, British Museum.) Pullen, Mr. F. W., Letter to on St. Mark's, Venice, i. 170 (note). Punishment, ii. 134 Quarles Harris' port, ii. 66. Quebec, emigration to, ii. 87. Rabbah, ii. 174. Radetzky, ii. --; his character, ii. 5. Railways, list of letters on, ii. 77; accidents, ii. 88, 89; doubling of lines, ii. 88, 89; at Dulwich, ii. 97; economy, ii. 83; investment in, ii. 81; management of, ii. 82; ownership of, ii. 81-83; payment of pointsmen, ii. 83, 88; stations, decoration of, ii. 88, 89. Rainbows, reflection of in water, i. 201.