Queen's Yellow, 123. Quercitron Lake, 100, 312. " Yellow, 100. Quinine Green, 289. R. Ramnus infectorius, 315. Raphael, 8, 9. Rare Metals, 172. Raw Sienna, 113. " Umber, 315. Rays from pigments, 384. Real Ultramarine, 216. Realgar, 258. Reboulleau's Blue, 230. Red, 28. " as a colour, 128. " contrasts of, 128, 129. " discordant, 129. " Marrone, 368. " on the Primary, 127. " Orpiment, 258. RED PIGMENTS:-- Almagra, 147. Antimony Red, 159. Armenian Bole, 147. Bloodstone, 147. Brown Red, 147. Cadmium Red, 130. Carmine, 133-135. Carmine Vermilion, 156. Carnagione, 149. Chica Red, 159. Chinese Lake, 137. Chinese Rouge, 174. Chinese Vermilion, 156. Coal-Tar Colours, 160. Cobalt Reds, 164. Cochineal Lakes, 131-137. Copper Reds, 164. Crimson Lake, 135. Deep Vermilion, 154. Dragon's Blood, 137. English Red, 149. English Vermilion, 146. Extract of Vermilion, 157. Ferrate of Baryta, 165. Field's Carmine, 142. Field's Lakes, 139-145. Field's Orange Vermilion, 158. Florentine Lake, 137. RED PIGMENTS:-- Gold Reds, 166. Hamburgh Lake, 137. Indian Lake, 138. Indian Ochre, 146. Indian Red, 148. Iodine Pink, 166. Iodine Scarlet, 150. Kermes Lake, 167. Lac Lake, 138. Lawson's Red, 168. Light Red, 149. Liquid Madder Lake, 145. Liquid Rubiate, 145. Madder Carmine, 142. Madder Lake, 144. Madder Lakes, 139-145. Magenta, 160. Majolica, 146. Manganese Red, 168. Mars Red, 145. Mineral Kermes, 159. Minium, 151. Murexide, 169. Ochres, 146-150. Orange Vermilion, 157. Paille de Mil, 170. Pale Vermilion, 154. Peganum Harmala, 171. Persian Red, 148. Persulphomolybdates, 171. Pink Madder, 144. Pink Saucers, 174. Prussian Red, 149. Pure Scarlet, 150. Purple Lake, 137. Red Chalk, 172. Red Chrome, 151. Red Lead, 151. Red Ochre, 147. Red Precipitate, 173. Redding, 146. Roman Lake, 137. Rose Madder, 143. Rose Pink, 173. Rose Rubiate, 145. Rouge, 173. Rouge de Mars, 145. Rubric Lakes, 139-145. Rufigallic Red, 174. Sandal Red, 175. Saturnine Red, 151. Scarlet Chrome, 151. Scarlet Lake, 136. Scarlet Ochre, 149. Scarlet Vermilion, 156. Sil Atticum, 147. Silver Red, 176. Sinoper, 151. Sorgho Red, 176. Spanish Brown, 146. Spanish Red, 150. Terra Puzzoli, 149. Terra Sinopica, 147. Thallium Red, 177. Tin Pink, 177. Ultramarine Red, 178. Uranium Red, 179. Venetian Lake, 137. Venetian Red, 149. Vermilion, 154. Vermilions, 153-158. Wongshy Red, 180. Reds, ancient, 5. Relations of colour, 13-24. Relative durability of colour, 32. Rembrandt, 11, 345. Revelation, Book of, 217. Reynolds, Sir Joshua, 10, 35, 37, 158, 374, 410. Rinman's Green, 285. " Olive, 332. Rocou, 255. Roman Green, 290. " Lake, 137. " Ochre, 107. " " Burnt, 255. " painters and painting, 7, 8, 10, 391. " Sepia, 351. " White, 74.