Gable, general structure of, i. 124; essential to Gothic, ii. 210, 217. Gardens, Italian, iii. 136. Generalization, abuses of, iii. 176. Geology of Lombardy, ii. 5. Glass, its capacities in architecture, i. 409; manufacture of, ii. 166; true principles of working in, ii. 168, 395. Gluttony, how symbolized, ii. 343. Goldsmiths' work, a high form of art, ii. 166. Gondola, management of, ii. 375. Gothic architecture, analysis of, ii. 151; not derived from vegetable structure, i. 121; convenience of, ii. 178; divisions of, ii. 215; surface and linear, ii. 226; Italian and French, ii. 226; flamboyant, i. 278, ii. 225; perpendicular, i. 192, ii. 223, 227; early English, i. 109; how to judge of it, ii. 228; how fitted for domestic purposes, ii. 269, iii. 195; how first corrupted, iii. 3; how to be at present built, iii. 196; early Venetian, ii. 248; ecclesiastical Venetian, i. 21; central Venetian, ii. 231; how adorned by color in Venice, iii. 23. Government of Venice, i. 2, ii. 366. Grammar, results of too great study of it, iii. 55, 106. Greek architecture, general character of, i. 240, ii. 215, iii. 159. Grief. See "Sorrow." Griffins, Lombardic, i. 292, 387. Grotesque, analysis of, iii. 132; in changes of form, i. 317; in Venetian painting, iii. 162; symbolical, iii. 155; its character in Renaissance work, iii. 113, 121, 136, 143. Gutters of roofs, i. 151. H Heathenism, typified in ornament, i. 317. See "Paganism." Heaven and Hell, proofs of their existence in natural phenomena, iii. 138. History, how to be written and read, iii. 224. Hobbima, iii. 184. Honesty, how symbolized, ii. 349. Hope, how symbolized, ii. 341. Horseshoe arches, i. 129, ii. 249, 250. Humanity, spiritual nature of, i. 41; divisions of, with respect to art, i. 394. Humility, how symbolized, ii. 339. I Idleness, how symbolized, ii. 345. Idolatry, proper sense of the term, ii. 388; is no encourager of art, ii. 110. See "Popery." Imagination, its relation to art, iii. 182. Imitation of precious stones, &c., how reprehensible, iii. 26, 30. Imposts, continuous, i. 120. Infidelity, how symbolized, ii. 335; an element of the Renaissance spirit, iii. 100. Injustice, how symbolized, ii. 349. Inlaid ornamentation, i. 369; perfection of, in early Renaissance, iii. 26. Inscriptions at Murano, ii. 47, 54; use of, in early times, ii. 111. Insects, use of, in ornamentation, i. 230. Inspiration, how opposed to art, iii. 151, 171. Instinct, its dignity, iii. 171. Intellect, how variable in dignity, iii. 173. Involution, delightfulness of, in ornament, ii. 136. Iron, its use in architecture, i. 184, 410. Italians, modern character of, iii. 209. Italy, how ravaged by recent war, iii. 209. J