TCD MS 10515 folio 54v
[April 28th 1916]
ing haze. Now we see a broader layer of air always growing less and less translucent until we trace it into a trembling mist. It is not yet a true mirage; the sands are not yet obscured not or objects yet visibly distorted. It is but an elusive veil that dimly cloaks the reality of things. We follow it further. Objects begin to lose their distinctiveness; the fine veil grows more substantial; a steamy sheet now undulates over the desert, shimmering in the hot sun and dimming the clear vision with its misty fumes. Translucency deepens. A strong wind is blowing and the strata of heated air are swept over the desert. The haze rushes with the wind. Sometimes it appears like a broad band of vapour driven onwards roll upon roll, and, further out in the desert,