HENRY VIII, during and after his reign bridge chapels were desecrated, 225-6, 230-3. HERALDS OF MAN, 113 _et seq._ HERODOTUS, on the canal begun by Necho II, 17 _footnote_; mentions the bridge at Babylon over the Euphrates, 274. HEXHAM, SMEATON’S BRIDGE AT, 339. HIGH BRIDGE, Lincoln, 221-2. HIGHERFORD BRIDGE, near Colne, attributed to the Romans, 305 _footnote_. HIGH LEVEL BRIDGE at Newcastle, a “scientific” adventure with an amusing history, 79-80. HIGHWAY BOARDS, their inefficiency in England, 43, 230. HINDRANCES TO BRIDGE-BUILDING, 250-1, 254-5, 264. HOEN-HO, THE RIVER, and the bridge at Pulisangan, 310-13. HOOGESLUIS, THE, at Amsterdam, a strumpet of a bridge, 323. HORACE mentions the Pons Fabricius as attractive to suicides, 195-6. HOSKING, writer on bridges, 143 _footnote_, 309, 317, 325-6. HOUSED BRIDGES, 208, 213-15, 216-24, 225. HOUTUM-SCHINDLER, SIR A., on the Pul-i-Kaisar at Shushter in Persia, 202-4. HOWELL’S “LONDINOPOLIS,” 216-17. HUMAN BEINGS offered as sacrifices to rivers, 64, 65 _et seq._ HUMAN GUNPOWDER, 23, 352. HUMAN INITIATIVE, nothing else in Nature is less uncommon, 123. HUMBOLDT used the pendulous bridges in Peru, 148. IBERIANS, their stonecraft, 100, 102, 104; their cult of ancestors, 104; the world-wide influence of their genius, 125 _et seq._ ICONONZO, ROCK-BRIDGES OF, 151. IGUANODON, asleep on a Nature-made bridge, 3. ILLINOIS AND ST. LOUIS BRIDGE, 352-3. IMITATION among men in societies, 55; stimulated by Nature-made bridges, 55; its dead routine, 110; see Chapter II. INDULGENCES granted by the mediæval Church to aid the upkeep of roads and bridges, 40, 305 _footnote_. INDUSTRIAL BRIDGES, 46. INDUSTRIALISM, TO-DAY’S, is a very complex phase of war, 35, 36, 46, 48, 333, 352. INDUSTRIAL WARFARE, 33, 34, 35, 36, 46, 48, 333, 352. INFERIORITY OF OLD ENGLISH BRIDGES, 9, 44, 256-8, 281, 294-5. INIGO JONES, his bridge at Llanrwst, 282, and _footnote_. INVASIONS OF ENGLAND, 20; the influence of invasions in the rise and fall of nations, 22. IREMONGER, RICHARD FANNANDE, writer of the Ballad of Abingdon Bridge, 251. IRISH BRIDGES, 45. IRON AGE, its approximate date in England, 21. IRON BARS in Chinese bridges, 314. IRON BRIDGES, Chinese, 344-5; European, 144 footnote, 348 _et seq._; American, 352 _et seq._