‘Lustre’ and _lustro_, 212 _note_ Lyons, Roman glass from, 82 Magic, early mediæval works on, 119 Magnesia in Pliny means manganese, 77 _note_ Magnesia in Saracenic glass, 151 Malleable glass, 78-79 Manganese in glass, changes of colour, 17 Manganese purple in primitive glass, 28-29 Manganese in Roman glass, 77 Manganese and _Magnese_, 218 _note_ Mansell, Sir Robert, 311 Mansell, Sir Robert, his patents, 305, 311-314 Mansourah, glass made at, 149, 167 _Mappæ clavicula_, notices on glass, 121 _Mariegole_, rules of Venetian glass-workers’ guilds, 181-182 Martial on Roman glass, 73-74, 82 _note_ Mathesius quoted, 253, 262, 264 Mathesius, _Sermons for Miners_, 262-263 _Matricole_, rules of glass-workers’ guilds in Venice, 181-182 Mazer-like forms in glass, 252 Mediæval treatises on alchemy, etc., 119-124 Mediæval glass, rarity of, 133-134 Memlook Sultans, art of, 147-148 Merret, _Art of Glass_ quoted, 7 Merret, on properties of glass, 7 Merret, on glass of lead, 316-317 Mesomedes on glass-houses, 80 Milanesi, treatises on preparation of glass, 217 _Milch-glas_, 291 Millefiori glass of Romans, 49-52 Millefiori glass, Madrepore patterns, 49 Millefiori glass, relation to Egyptian ‘fused-mosaics,’ 49 Millefiori glass, how built up, 50-51 Millefiori glass, peacock patterns, 51 Millefiori glass, agate patterns, 51 Millefiori glass of Venetians, 207 Mirror of Catherine of Arragon, 306 Mirrors of glass from Roman tombs, 55-56 Mirror of glass in Middle Ages, 138-139 Mirror Venetian, 209-211 Mirrors, Venetian, imitated by Germans, 209 Mirrors, Venetian, frames of, 210 Mirrors, Venetian, of ‘steel,’ 210 _note_ Mirrors, Venetian, exported to East, 211 Mirrors of plate-glass, 210, 235-236 Monza, glass in treasury, 99 Mosaic-workers from Constantinople, 96 Moret collection in British Museum, 85 Moselle district—Roman glass, 83 Mosque lamps or lanterns, 155-156 Mosque lamps suspended from spheres, 156 Mosque lamps from Sultan Hassan mosque, 156, 168 Mosque lamps from Cairo, 167-169 Mosque lamps inscription on, 167-169 Mosque lamps abnormal types, 169-170 Mosque lamps made in Venice for the Turks, 171-172 Moulded glass of Phœnicians and Romans, 56-58 Munich _Schatzkammer_, glass in, 280 Murano, furnaces stopped in late summer, 182 Murano, the guilds, how organised, 182-183 Murano, description of, 201, 216 Mycenæan age, glass of, 33-37 Mycenæan glass from bee-hive tombs, 35-36 Nailsea glass-works, 336 Natron as a source for soda in glass, 13, 26, 77 Natron Lakes of Lower Egypt, 106 Neri, Antonio, his _Arte Vetraria_, 219 Neri, various translations of, 289 Neri, upon glass of lead, 316-317 Nesbitt, Mr., catalogues by, 51 _note_ Netherlands, glass of, 240-244 Netherlandish glass, mediæval forms, 252 Netherlandish school, glass in pictures of, 243, 244, 251-252 Nevers, glass made at, 232-234 New Testament, allusion to glass in, 42 _note_ Nineveh, glass from, 39-40