Indian Blue, 199. " Ink, 349, 395. " Lake, 138. " Ochre, 146. " Purple, 298. " Red, 148. " Yellow, 98. Indicum, 199. Indigo, 199. " adulteration of, 202. " possible substitute for, 235. " proposed Factitious, 202. Indigofera, 200. Indium Yellow, 117. Individually, on Colours and Pigments, 57. Ink, blue, 207. " British, 395. " Chinese, 395. " green, 276. " Indelible Brown, 345. " Indian, 395. " Liquid Indian, 397. " red, 145. Inkfish, the, 348. Innoxious pigments, 53. Intense Blue, 202. " " manufacture of, 202. International Exhibition of 1862, 244, 354. Invisible Green, 329. Iodine, 118. " Blue, 231. " Pink, 166. " Scarlet, 150. " Yellow, 118. Iridium Blue, 232. Iris, 228. " Green, 282. Iron Browns, 357. " Ferricyanide of, 208. " Ferrocyanide of, 203. " Gambogiate of, 357. " pigments affected by, 39, 90, 145, 147, 149, 150, 249. " Prussiate of, 203. " Smalt, 218. " Yellow, 102, 118. Italian Greens, 276, 277. " Pink, 100. Italics, numbered colours in, 114, 407. Italy, colouring in modern, 8. Ivory Black, 397. " " with Manganese Black, 407. Ivory Brown, 340. J. Japanner's gold size, 51. Jaune de Cologne, 94. " " Fer, 102. " " Mars, 102. " Minérale, 94. Jew's Pitch, 337. Judea, Bitumen of, 337. K. Kermes, 153. " Lake, 167. " Mineral, 159. Key of colouring, 40. Khair tree, the, 354. King's Yellow, 111. Knowledge of pigments, 43, 44. Kremnitz or Krems White, 72. Kremser White, 75. L. Lac, 138, 167. " Lake, 138. Lake, Asphaltic, the, 337. " Burnt, 198. " Chinese, 137. " Citrine, 312. " Crimson, 135. " Drop, 131. " Florentine, 137. " Green, 288. " Hamburgh, 137. " Indian, 138. " Kermes, 167. " Liquid Madder, 145. " Madder, 144. " Marrone, 369. " Olive, 331. " Orange, 258. " Purple, 137. " Quercitron, 100, 312. " Roman, 137. " Scarlet, 136. " Venetian, 137. " Yellow, 100. Lakes, Cochineal, 131-137. " Field's, 139-145. " Madder, 139-145. " Rubric, 139-145. " Yellow, 99, 100. Lamblack, 399. Lamp Black, 399. Lapis Lazuli, 209, 217, 219. Laque de garance, 142. " Minérale, 258. Latent colour, 58. Lawson, Professor, 168. Lawson's Red, 168. Layard, Mr., 6, 218. Lazuline, 217. Lazulite Blue, 217. Lazur, Persian and Tartarian, 228. Lazurium, 217. Lazurstein, 217. Lead, acetate or sugar of, 50-52. " Black, 382, 393. " carbonate of, 68. " Chocolate, 368. " dicarbonate of, 69. " hydrated oxide of, 68. " in drying oils, 121. " Orange, 258 " oxychloride of, 73. " pigments affected by, 39, 67, 97, 99, 112, 120, 134, 138, 139, 152, 201, 206, 248, 280, 312, 341. " pigments, avoidance of, 67. " Red, 151. " Sulphate of, 72. " White, 67-70. " Whites, 67-75.