METAL BRIDGES, Chinese, 344-5; European, 144 _footnote_, 348 _et seq._; American, 352 _et seq._ METHODS, NEW, IN MILITARY WAR, their effects on bridge-building, vii, viii, 15, 358, 359. MICHELANGELO, wrongly reputed to be the author of the Rialto, 211. MIDDLE AGES, 26, 49, 50, 83; see also “Bridge Chapels,” “War-Bridges,” “Mediæval Church,” and the Gothic bridges drawn by Frank Brangwyn. MILITARY BRIDGES, see “War-Bridges.” MILITARY FORETHOUGHT, the need of it in bridges, vii, viii, 15, 238-9, 244, 259, 260, 261, 272, 328, 331, 334, 337, 350, 352, 355-9. MILL, JOHN STUART, on the law of battle in Nature, 37. MILLAU, 209, and illustration facing page 352. MILL BRIDGES, 209, 223, 224; see also the picture of Millau Bridge facing page 352. MILVIUS, PONS, ancient name of the Ponte Molle, 197. MIMICRY, or imitation, frees the large human mind from the labour pains of thinking, 105. MIMICS, NATURE’S SCHOOL FOR, see Chapter II. MIOCENE AGE and Nature-made bridges, 113-14. MODERN BRIDGES, see the last chapter; also “Metal Bridges,” “London Bridge, New,” “Railway Bridges,” etc. MODERN SPIRIT, its intemperate vulgarity, 13, 48, 270. MOLLE, PONTE, modern name for the Pons Milvius, 197. MONEY bequeathed to bridges, 227, 233. MONKS OF STRATA FLORIDA built the Devil’s Bridge at Aberystwyth, 67. MONMOUTH, MONNOW BRIDGE AT, a fortified work, 93, 280, 281. MONNOW BRIDGE at Monmouth, 93, 280, 281. MONTAUBAN, THE PONT DES CONSULS AT, 27, 254-7. MONZIE, near Crieff, in Perthshire, a bridge there similar to Harold’s Bridge at Waltham Abbey, 163. MOORE, SIR JOHN, his relation to Spanish bridges, 29 _footnote_, 334-5. MOORS in Spain, their influence on architecture, 28, 29. MORE, SIR THOMAS, his decapitated head was displayed on Old London Bridge, 261. MORSTON, HAMO DE, in the story of Old Shoreham Bridge, 43 _et seq._ MOSELLE BRIDGE at Coblentz, 260. MOTHER-IDEAS in human history, 56, 57, 58; the earliest in the evolution of bridges, 56, 57; they are phases of strife, 59, 60; see also “Genius.” MUD, its use in humble architecture probably borrowed from birds, 111, and _footnote_. MUNRO, ROBERT, M.A., M.D., etc., his valuable book on “Archaeology and False Antiquities,” 21. MURCHISON, SIR RODERICK, famous geologist, his remarks on rock-basins, 152 _footnote_. MUTE HISTORIANS, silent works of art, such as great bridges and churches, 25. MYCENAE, some of her ancient relics considered in their relation to the history of vaults and arches, 157 _et seq._ NANTES, her mediæval bridge, now gone, 224-5. NAPOLÉON, PONT, near Saint-Sauveur, 278, 280. NARNI, a broken war-bridge of the thirteenth century, 277-8. NARNI BRIDGE, remains of a Roman masterpiece, 23, 24, 25. NARROW ARCHES in the first Roman aqueducts and bridges, 191-2.