A river of hot, shimmering air poured down and away behind the bird.

Bell was about to take hold of Pucky but his hands met shimmering air.

It was difficult for them to talk to shimmering air.

A dot appeared, growing and contracting in the shimmering air.

He nodded his head in the direction of the shimmering air.

They retreated from a patch of air shimmering in the square.

He looked down at his hand and could hardly see it for the shimmering air.

Rous started suddenly as he saw the air shimmering between him and the end chair.

Then it came back, climbing the shimmering air, and brought a pigeon to him.

After awhile they disappeared in the south behind a curtain of shimmering hot air.