Leitch's Blue, 199. " Brown, 346. Leithner's Blue, 189. Lemon Cadmium, 91. " Yellow, 101. Leonardo da Vinci, 8. Leyden, Cassius of, 306. Lichens, 304. Liege Black, 394. Light and air, pigments affected by, 91, 92, 95, 97, 98, 99, 112, 124, 134, 135, 136, 139, 151, 163, 199, 201, 205, 208, 247, 276, 282, 298, 303, 313, 330, 340, 343. Light, direct and diffused, 391. " electric, the, 191. " magnesium, the, 191. " Red, 149. Likes and dislikes of pigments, 194. Lime, pigments affected by, 40, 97, 98, 206, 275, 281. " with Prussian Blue, 206, 281. Linear perspective, 22. Linseed oil with White Lead, 69. Liquid Asphaltum, 339. " Indian Ink, 397. " Madder Lake, 145. " Prout's Brown, 345. " Rubiate, 145. Lists of Permanent Pigments:-- " Blue, 278, 300. " Green, 315, 329. " Orange, 315, 323. " Purple, 323, 329. " Red, 253, 300. " Yellow, 252, 278. Litharge, 51, 120. Litmus, 303. Local colour, 24. Lombard School, 8. London White, 73. M. Macpherson's Tint, 380. Madder, 139. " adulteration of, 140. " Brown, 365. " Burnt, 305. " Carmine, 142. " " adulteration of, 142. " colouring matters of, 140. " Cory's or Cory's Yellow, 119, 353. " Dr. Schunck on, 140. " Lake, 144. " Lakes, 139-145. " " manufacture of, 141. " Liquid Lake, 145. " Orange, 258, 353. " Pink, 144. " Purple, 301. " reds in oil, 144. " Rose, 143. " Rubens', 321. " Yellow, 118, 353. Magenta, 162. Majolica, 146. Malachite Green, 274. Manganese as a siccative, 51, 77, 406. " Black, 406. " Blue, 232. " Brown, 358. " Green, 288. " Red, 168. Manufacture of Cadmium Yellow, 92. " Carmine, 134. " Cobalt Blue, 192. " Intense Blue, 202. " Vermilion, 92, 153. Marine Green, 271. Marrone, 28. " analysis of, 377. " as a colour, 362. " contrasts of, 362. " for walls of picture galleries, 363. " on the Semi-Neutral, 362. MARRONE PIGMENTS:-- Brown Madder, 365. Chica Marrone, 367. Chocolate Lead, 368. Cobalt Marrone, 368. Madder Marrone, 369. Marrone Lake, 369. Marrone Red, 368. Mars Marrone, 369. Mixed Marrone, 367. Purple Black, 369. Mars Brown, 313. " Brun de, 313. " colours named after, 102, 146. " Orange, 248. " Red, 145. " Rouge de, 145. " Violet, 290. " Violet de, 290. " Yellow, 102. Massicot, 120. Mastic varnish, 50. Mauve, 163. Mercury, Chromate of, 256. " marrone, 371. " white, 79. Mérimée, 121, 142, 229, 284, 316, 343. Metallic whites, 79. Metals, rare, 172. Michael Angelo, 8.