INDEX BY PARAGRAPHS.

Balance of color, 23, 47, 67, 75–77, 81–86, 106, 108, 111, 114, 132, 136, 142, 147, Appendix III.

Black, 12, 16, 22, 31, 41, 54, 55, 65, 91, 119.

Blue, 9, 12, 16, 34, 104, 146, 147.

Brewster’s theory, Appendix III.

Charts of the color sphere, 14, 17, 126, 127, 135, 136, 140.

Chevreul, Appendix III., V.

Chroma, 3, 4, 8, 11, 14, 21–24, 28, 39, 40, 42, 45, 64, 76, 78, 82, 88, 94, 95, 105, 121, 132.

Scale of, 12, 19, 25, 31–35, 42, 133.

Strongest, 32, 34, 42.

Chromatic tuning fork, 117, 118, 119–127.

Circuit, inclined, 16, 17, 97.

Color, apparatus, 3, 8, 14, 132.

Atlas, 129.

Balance, 23, 47, 67, 75–77, 81–86 (triple), 106, 108, 111, 114, 132, 136, 142, 147.

Blindness, 182, 183.

Charts, 14, 17, 126, 127, 135, 136, 140.

Circuit, 54, 58, 59.

Complementary, 76, 77.

Color, dimensions of, 3, 8, 9, 13, 25, 53, 94, 116.

Curves, 94.

Discs, Maxwell’s, 76, 93, 106–112, 113, 117.

Harmony, 47, 77, 86, 145–148, 151–174, 180.

Hand as a holder of, 54–58.

Key of, 6, 151, 152.

Language, poverty of, 5, 175.

Lists, 131.

Measured, 3, 14, 32.

Meridians, 136, 137.

Middle, 28, 29, 40–42, 113.

Misnomers, Appendix I.

Mixture, 56–72.

Names, 1, 2, 14, 19, 25, 90, 91, 131.

Notation, 36, 37, 40–42, 47, 67, 72, 86, 101, 133.

Orange, 9–11, 89, 123.

Parallels, 12, 119.

Paths, 157, 158, 160–164.

Perception, 27, 29, 39, 179.

Principal (5), 4, 16, 21, 26, 31, 34, 40, 54, 56, 57.

Principal (5) and intermediates (5), 31, 60, 68, 112, 134.

Purity, 8, 19, 23, 89, 98, 99.

Records 145.

Relations, 14, 24, 36, 37, 153.

Rhythm, 166.

Scale, 3, 7, 24, 30, 55, 120, 140, Appendix II.

Score, 133–139, 142, 173.

Sensations, 3, 4, 15, 19, 21, 87.

Sequences, 47, 78, 79, 120, 156, 169–171, 181.

Sir Isaac Newton’s, 89.

Schemes, Appendix V.

Solid, 14, 19, 102, 126, 129, 140, 153.

Spectral, 16, 88, 94, 129.

Sphere, 12–17, 24, 25, 31, 43, 55, 72, 91, 101, 102, 111, 122, 132.

Standard, 4, 26, 35.

System, 3, 8, 28, 123, 130.

Need of, 46, 148.

Tree, 14, 30–34, 43, 94, 95, 124.

Waves, 21, 23, 136.

Tones, 134.

Children’s color studies, Appendix IV.

Colorist, 84, 121, 177.

Coloristic art, 7, 38, 45, 177.

Combined scales, 12, 14, 36, 37, 47.

Complements, 76, 77.

Course of color study, 48–50.

Daylight photometer, 22, 103, 119.

Enamels, 28, 29, 101, 117.

Fading, 8, 23.

False color balance, Appendix III.

Flat diagrams, 14.

Fundamental sensations, 28, Appendix III.

Green, 2, 32, 104, 136, 137, 140, 147, 148.

Hue, 3, 4, 8, 9–11, 14, 18, 21–26, 34, 39, 40, 43, 54, 59, 76, 82, 89, 105.

Scale of, 12, 19, 25, 31, 35, 120, 133.

Ideal color system, 100.

Lambert’s pyramid, note to 31.

Luminist, 121.

Masks, 47, 167–171.

Maxwell discs, 93, 107, 113, 117.

Measurement of colors, 3, 8, 14, 116, Appendix IV.

Middle gray, 61, 65, 72.

Middle hues, 10, 28, 65.

Mixture of hues, 56–72.

Musical terms used for colors, 6, 46, 148–150.

Neutral axis, 31, 34, 61, 65, 121.

Neutral gray, 11, 23, 25, 62, 64, 65, 72, 114, 102.

Notation diagram, 140.

Orange, 9–11, 18, 123.

Personal bias, 144, 174.

Pigments, 14, 27–29, 101–104, 125, 129.

Photometer, 65.

Primary sensations, 89.

Prismatic color sphere, 98.

Purple, 5.

Rainbow, 15, 17.

Red, middle, 1, 32, 41, 60, 66, 72, 104, 110, 122, 147, 148.

Retina, 21.

Rood, modern chromatics, Appendix I.

Runge, note to 31, Appendix V.

Shades and tints, 22.

Spectrum, solar, 15–18, 27, 28, 87, 88, 92, 95, 96.

Tone, 6.

Value, 3, 8–11, 14, 21–24, 28, 34, 39, 40–43, 54, 76, 78, 82, 94, 105, 120, 132.

Scale of, 12, 19, 25, 31, 34, 35, 64, 102, 120, 133.

Vermilion, 42, Appendix III.

Vertical (neutral) axis, 12, 25, 31, 34, 65, 68.

Violet, 90.

Warm and cold colors, 72, 123, note to 136, 137, 138.

Wave lengths, 21, 22, 23, 89.

White, 12, 16, 17, 22, 31, 41, 54, 55, 65, 87, 91, 92, 99, 119.

Yellow, 1, 32, 54, 104, 136.