Gasim explained that he had dismounted to ease nature, and had missed the party afterwards in the dark: but, obviously, he had gone to sleep, where he dismounted, with the fatigue of our slow, hot journeying. We rejoined Nasir and Nesib in the van. Nesib was vexed with me, for perilling the lives of Auda and myself on a whim. It was clear to him that I reckoned they would come back for me. Nasir was shocked at his ungenerous outlook, and Auda was glad to rub into a townsman the paradox of tribe and city; the collective responsibility and group-brotherhood of the desert, contrasted with the isolation and competitive living of the crowded districts.