| PART I. PHYSIOLOGICAL COLOURS. | |||
|---|---|---|---|
| Objective Experiments | 125 | ||
| XXI . | Refraction without the Appearance of Colour | 121 | |
| XXII . | Conditions of the Appearance of Colour | 128 | |
| XXIII . | Conditions of the Increase of Colour | 134 | |
| XXIV . | Explanation of the foregoing Phenomena | 139 | |
| XXV . | Decrease of the Appearance of Colour | 141 | |
| XXVI . | Grey Objects | 142 | |
| XXVII . | Coloured Objects | 143 | |
| XXVIII . | Achromatism and Hyperchromatism | 145 | |
| XXIX . | Combination of Subjective and Objective Experiments | 147 | |
| XXX . | Transition | 150 | |
| XXXI . | Catoptrical Colours | 154 | |
| XXXII . | Paroptical Colours | 163 | |
| XXXIII . | Epoptical Colours | 177 |
Table of Contents
GOETHE'S
27