CHAPTER II

.--Of Truth of Clouds:--First, of the Region of the Cirrus.

Sec. 1. Difficulty of ascertaining wherein the truth of clouds consists. 216 Sec. 2. Variation of their character at different elevations. The three regions to which they may conveniently be considered as belonging. 216 Sec. 3. Extent of the upper region. 217 Sec. 4. The symmetrical arrangement of its clouds. 217 Sec. 5. Their exceeding delicacy. 218 Sec. 6. Their number. 218 Sec. 7. Causes of their peculiarly delicate coloring. 219 Sec. 8. Their variety of form. 219 Sec. 9. Total absence of even the slightest effort at their representation, in ancient landscape. 220 Sec. 10. The intense and constant study of them by Turner. 221 Sec. 11. His vignette, Sunrise on the Sea. 222 Sec. 12. His use of the cirrus in expressing mist. 223 Sec. 13. His consistency in every minor feature. 224 Sec. 14. The color of the upper clouds. 224 Sec. 15. Recapitulation. 225

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