There was worse to come. In the darkness they missed the exact spot where they had first entered the gully, and when they reached the hill-side found that they were lost. Neither of them had the least idea of the whereabouts of the shell hole with the bodies of the two dead Turks.

Our boys bring in a Turkish sniper, who by the ample use of foliage has turned himself into a sort of Jack-in-the-Green.

Reinforcements of Turkish artillery and machine gun batteries to bar the passage of our boys in khaki.

A good half-hour they wasted in vain search, then Ken dropped behind the shelter of a small bush.

'It's no use, Roy,' he said desperately. 'I can't find it. We're simply wasting time.'

Instead of answering, Roy took hold of Ken's arm with a grip that was like that of a steel vice.