| PART I. PHYSIOLOGICAL COLOURS. | |||
|---|---|---|---|
| IX. | Dioptrical Colours | 59 | |
| X. | Dioptrical Colours of the First Class | 60 | |
| XI . | Dioptrical Colours of the Second Class —Refraction | 74 | |
| Subjective Experiments | 80 | ||
| XII. | Refraction without the Appearance of Colour | 80 | |
| XIII. | Conditions of the Appearance of Colour | 81 | |
| XIV. | Conditions under which the Appearance of | ||
| Colour increases | 86 | ||
| XV. | Explanation of the foregoing Phenomena | 90 | |
| XVI. | Decrease of the Appearance of Colour | 100 | |
| XVII. | Grey Objects displaced by Refraction | 103 | |
| XVIII. | Coloured Objects displaced by Refraction | 106 | |
| XIX. | Achromatism and Hyperchromatism | 118 | |
| XX. | Advantages of Subjective Experiments —Transition to the Objective | 123 |
Table of Contents
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