Diamond, 259-261, 308
  Doyle, Sir Arthur Conan, 221
  Drugs, synthetic, 6, 84, 301
  Duisberg, 151
  Dyestuffs, 60-92

  Edison, 84, 141
  Ehrlich, 86, 87
  Electric furnace, 236-262, 307

  Fats, 196-217, 306
  Fertilizers, 37, 41, 43, 46, 300
  Flavors, synthetic, 93-109
  Food, synthetic, 94
  Formaldehyde, 136, 142
  Fruit flavors, synthetic, 99, 101

  Galalith, 142
  Gas masks, 223, 226, 230, 231
  Gerhardt, 6, 7
  Glucose, 137, 184-189, 194, 305
  Glycerin, 194, 203
  Goldschmidt, 256
  Goodyear, 161
  Graphite, 258
  Guayule, 159, 304
  Guncotton, 17, 117, 125, 130
  Gunpowder, 14, 15, 22, 234
  Gutta percha, 159

  Haber process, 27, 28
  Hall, C.H., 247
  Hare, Robert, 237, 245, 307
  Harries, 149
  Helium, 236
  Hesse, 70, 72, 90
  Hofmann, 72, 80
  Huxley, 10
  Hyatt, 128, 129, 303
  Hydrogen, 253-255
  Hydrogenation of oils, 202-205, 306

  Indigo, 76, 79
  Iron, 236, 253, 262-270, 308
  Isoprene, 136, 146, 149, 150, 154

  Kelp products, 53, 142
  Kekule’s dream, 66, 301

  Lard substitutes, 209
  Lavoisier, 6
  Leather substitutes, 124
  Leucite, 53
  Liebig, 38
  Linseed oil, 202, 205, 270

  Magnesium, 283
  Maize products, 181-196, 305
  Manganese, 278
  Margarin, 207-212, 307
  Mauve, discovery of, 74
  Mendeleef, 285, 291
  Mercerized cotton, 115
  Moissan, 259
  Molybdenum, 283, 308
  Munition manufacture in U.S., 33, 224, 299, 307
  Mushet, 279
  Musk, synthetic, 96, 97, 106
  Mustard gas, 224, 227-229

  Naphthalene, 4, 142, 154
  Nature and art, 8-13, 118, 122, 133
  Nitrates, Chilean, 22, 24, 30, 36
  Nitric acid derivatives, 20
  Nitrocellulose, 17, 117
  Nitrogen, in explosives, 14, 16, 117, 299
    fixation, 24, 25, 29, 299
  Nitro-glycerin, 18, 117, 214
  Nobel, 18, 117

  Oils, 196-217, 306
  Oleomargarin, 207-212, 307
  Orange blossoms, 99, 100
  Osmium, 28
  Ostwald, 29, 55
  Oxy-hydrogen blowpipe, 246

  Paper, 111, 132
  Parker process, 273
  Peanut oil, 206, 211, 214, 306
  Perfumery, Art of, 103-108
  Perfumes, synthetic, 93-109, 302
  Perkin, W.H., 148
  Perkin, Sir William, 72, 80, 102
  Pharmaceutical chemistry, 6, 85-88
  Phenol, 18, 64, 84, 101, 102, 137
  Phonograph records, 84, 141
  Phosphates, 56-59
  Phosgene, 224, 225
  Photographic developers, 88
  Picric acid, 18, 84, 85, 226
  Platinum, 28, 278, 280, 284, 286
  Plastics, synthetic, 128-143
  Pneumatic tires, 162
  Poisonous gases in warfare, 218-235, 307
  Potash, 37, 45-56, 300
  Priestley, 150, 160
  Purple, royal, 75, 79
  Pyralin, 132, 133
  Pyrophoric alloys, 290
  Pyroxylin, 17, 127, 125, 130