High up in the sky above were two little black specks, wheeling lower and lower.

Quest shivered as he suddenly realised that for the first time in his life he was looking upon the winged ghouls of the desert.
Lower and lower they came.

He turned away with a shiver.
The Professor was still sleeping when Quest re-entered the tent.

He woke him up and beckoned him to come outside.
"Dear me!" the former exclaimed genially, as he adjusted his glasses, "I am not sure that my toilet--however, the young ladies, I imagine, are not yet astir.

You did well to call me, Quest.